fix(core): restore Copilot request authentication

Co-authored-by: Kit Langton <7587245+kitlangton@users.noreply.github.com>

packages/ai/src/schema/messages.ts

@@ -45,35 +45,34 @@ const isToolResultValue = (value: unknown): value is ToolResultValue =>
   (value.type === "text" || value.type === "json" || value.type === "error" || value.type === "content") &&
   "value" in value
 
-export const ToolResultValue = Object.assign(
-  Schema.Union([
-    Schema.Struct({
-      type: Schema.Literal("json"),
-      value: Schema.Unknown,
-    }),
-    Schema.Struct({
-      type: Schema.Literal("text"),
-      value: Schema.Unknown,
-    }),
-    Schema.Struct({
-      type: Schema.Literal("error"),
-      value: Schema.Unknown,
-    }),
-    Schema.Struct({
-      type: Schema.Literal("content"),
-      value: Schema.Array(Tool.Content),
-    }),
-  ]).annotate({ identifier: "LLM.ToolResult" }),
-  {
-    is: isToolResultValue,
-    make: (value: unknown, type: ToolResultValue["type"] = "json"): ToolResultValue => {
-      if (isToolResultValue(value)) return value
-      if (type === "content") return { type, value: Array.isArray(value) ? value : [] }
-      return { type, value }
-    },
+const toolResultValueSchema = Schema.Union([
+  Schema.Struct({
+    type: Schema.Literal("json"),
+    value: Schema.Unknown,
+  }),
+  Schema.Struct({
+    type: Schema.Literal("text"),
+    value: Schema.Unknown,
+  }),
+  Schema.Struct({
+    type: Schema.Literal("error"),
+    value: Schema.Unknown,
+  }),
+  Schema.Struct({
+    type: Schema.Literal("content"),
+    value: Schema.Array(Tool.Content),
+  }),
+]).annotate({ identifier: "LLM.ToolResult" })
+export type ToolResultValue = Schema.Schema.Type<typeof toolResultValueSchema>
+
+export const ToolResultValue = Object.assign(toolResultValueSchema, {
+  is: isToolResultValue,
+  make: (value: unknown, type: ToolResultValue["type"] = "json"): ToolResultValue => {
+    if (isToolResultValue(value)) return value
+    if (type === "content") return { type, value: Array.isArray(value) ? value : [] }
+    return { type, value }
   },
-)
-export type ToolResultValue = Schema.Schema.Type<typeof ToolResultValue>
+})
 
 export interface ToolOutput {
   readonly structured: unknown

packages/app/src/components/dialog-connect-provider.tsx

@@ -1,4 +1,4 @@
-import type { IntegrationMethod, IntegrationOauthConnectOutput } from "@opencode-ai/client/promise"
+import type { FormAnswer, IntegrationMethod, IntegrationOauthConnectOutput } from "@opencode-ai/client/promise"
 import { Button } from "@opencode-ai/ui/button"
 import { useDialog } from "@opencode-ai/ui/context/dialog"
 import { Dialog } from "@opencode-ai/ui/dialog"
@@ -40,6 +40,8 @@ import { decode64 } from "@/utils/base64"
 
 const CUSTOM_ID = "_custom"
 type ConnectMethod = Extract<IntegrationMethod, { type: "key" | "oauth" }>
+type IntegrationForm = NonNullable<ConnectMethod["form"]>[number]
+type StringForm = Extract<IntegrationForm, { type: "string" }>
 
 export function useProviderConnectController(options: { onBack?: () => void } = {}) {
   const [store, setStore] = createStore({ selected: undefined as string | undefined })
@@ -434,16 +436,16 @@ function ProviderConnection(props: {
   const [store, setStore] = createStore({
     methodIndex: undefined as undefined | number,
     authorization: undefined as undefined | IntegrationOauthConnectOutput["data"],
-    promptInputs: undefined as undefined | Record<string, string>,
-    state: "pending" as undefined | "pending" | "complete" | "error" | "prompt",
+    formAnswer: undefined as FormAnswer | undefined,
+    state: "pending" as undefined | "pending" | "complete" | "error" | "form",
     error: undefined as string | undefined,
   })
 
   type Action =
     | { type: "method.select"; index: number }
     | { type: "method.reset" }
-    | { type: "auth.prompt" }
-    | { type: "auth.inputs"; inputs: Record<string, string> }
+    | { type: "auth.form" }
+    | { type: "auth.answer"; answer: FormAnswer | undefined }
     | { type: "auth.pending" }
     | { type: "auth.complete"; authorization: IntegrationOauthConnectOutput["data"] }
     | { type: "auth.error"; error: string }
@@ -454,7 +456,7 @@ function ProviderConnection(props: {
         if (action.type === "method.select") {
           draft.methodIndex = action.index
           draft.authorization = undefined
-          draft.promptInputs = undefined
+          draft.formAnswer = undefined
           draft.state = undefined
           draft.error = undefined
           return
@@ -462,18 +464,18 @@ function ProviderConnection(props: {
         if (action.type === "method.reset") {
           draft.methodIndex = undefined
           draft.authorization = undefined
-          draft.promptInputs = undefined
+          draft.formAnswer = undefined
           draft.state = undefined
           draft.error = undefined
           return
         }
-        if (action.type === "auth.prompt") {
-          draft.state = "prompt"
+        if (action.type === "auth.form") {
+          draft.state = "form"
           draft.error = undefined
           return
         }
-        if (action.type === "auth.inputs") {
-          draft.promptInputs = action.inputs
+        if (action.type === "auth.answer") {
+          draft.formAnswer = action.answer
           draft.state = undefined
           draft.error = undefined
           return
@@ -531,7 +533,7 @@ function ProviderConnection(props: {
     return fallback
   }
 
-  async function selectMethod(index: number, inputs?: Record<string, string>) {
+  async function selectMethod(index: number, answer?: FormAnswer) {
     if (timer.current !== undefined) {
       clearTimeout(timer.current)
       timer.current = undefined
@@ -540,9 +542,17 @@ function ProviderConnection(props: {
     const method = methods()[index]
     dispatch({ type: "method.select", index })
 
+    if (method.form?.length && !answer) {
+      dispatch({ type: "auth.form" })
+      return
+    }
+    if (method.type === "key") {
+      dispatch({ type: "auth.answer", answer })
+      return
+    }
     if (method.type === "oauth") {
-      if (method.prompts?.length && !inputs) {
-        dispatch({ type: "auth.prompt" })
+      if (method.form?.some((field) => field.type !== "string")) {
+        dispatch({ type: "auth.error", error: "This authentication form contains unsupported fields" })
         return
       }
       dispatch({ type: "auth.pending" })
@@ -550,7 +560,7 @@ function ProviderConnection(props: {
         .api.integration.oauth.connect({
           integrationID: props.provider,
           methodID: method.id,
-          inputs: inputs ?? {},
+          ...(answer ? { answer } : {}),
           location: location(),
         })
         .then((x) => {
@@ -564,41 +574,42 @@ function ProviderConnection(props: {
     }
   }
 
-  function AuthPromptsView() {
+  function AuthFormView() {
     const [formStore, setFormStore] = createStore({
       value: {} as Record<string, string>,
       index: 0,
     })
 
-    const prompts = createMemo(() => {
+    const fields = createMemo<StringForm[]>(() => {
       const value = method()
-      return value?.type === "oauth" ? (value.prompts ?? []) : []
+      return (value?.form ?? []).flatMap((field) => (field.type === "string" ? [field] : []))
     })
-    const matches = (prompt: NonNullable<ReturnType<typeof prompts>[number]>, value: Record<string, string>) => {
-      if (!prompt.when) return true
-      const actual = value[prompt.when.key]
-      if (actual === undefined) return false
-      return prompt.when.op === "eq" ? actual === prompt.when.value : actual !== prompt.when.value
+    const matches = (field: StringForm, value: Record<string, string>) => {
+      return (field.when ?? []).every((condition) => {
+        const actual = value[condition.key]
+        if (actual === undefined) return false
+        return condition.op === "eq" ? actual === condition.value : actual !== condition.value
+      })
     }
     const current = createMemo(() => {
-      const all = prompts()
-      const index = all.findIndex((prompt, index) => index >= formStore.index && matches(prompt, formStore.value))
+      const all = fields()
+      const index = all.findIndex((field, index) => index >= formStore.index && matches(field, formStore.value))
       if (index === -1) return
       return {
         index,
-        prompt: all[index],
+        field: all[index],
       }
     })
     const valid = createMemo(() => {
       const item = current()
-      if (!item || item.prompt.type !== "text") return false
-      const value = formStore.value[item.prompt.key] ?? ""
-      return value.trim().length > 0
+      if (!item || item.field.options) return false
+      if (!item.field.required) return true
+      return (formStore.value[item.field.key] ?? "").trim().length > 0
     })
 
     async function next(index: number, value: Record<string, string>) {
       if (store.methodIndex === undefined) return
-      const next = prompts().findIndex((prompt, i) => i > index && matches(prompt, value))
+      const next = fields().findIndex((field, i) => i > index && matches(field, value))
       if (next !== -1) {
         setFormStore("index", next)
         return
@@ -609,60 +620,60 @@ function ProviderConnection(props: {
     async function handleSubmit(e: SubmitEvent) {
       e.preventDefault()
       const item = current()
-      if (!item || item.prompt.type !== "text") return
+      if (!item || item.field.options) return
       if (!valid()) return
       await next(item.index, formStore.value)
     }
 
     const item = () => current()
     const text = createMemo(() => {
-      const prompt = item()?.prompt
-      if (!prompt || prompt.type !== "text") return
-      return prompt
+      const field = item()?.field
+      if (!field || field.options) return
+      return field
     })
     const select = createMemo(() => {
-      const prompt = item()?.prompt
-      if (!prompt || prompt.type !== "select") return
-      return prompt
+      const field = item()?.field
+      if (!field?.options) return
+      return field
     })
 
     return (
       <form onSubmit={handleSubmit} class="flex flex-col items-start gap-4">
         <Switch>
-          <Match when={item()?.prompt.type === "text"}>
+          <Match when={item()?.field.options === undefined}>
             <TextField
               type="text"
-              label={text()?.message ?? ""}
+              label={text()?.title ?? ""}
               placeholder={text()?.placeholder}
               value={text() ? (formStore.value[text()!.key] ?? "") : ""}
               onChange={(value) => {
-                const prompt = text()
-                if (!prompt) return
-                setFormStore("value", prompt.key, value)
+                const field = text()
+                if (!field) return
+                setFormStore("value", field.key, value)
               }}
             />
             <Button class="w-auto" type="submit" size="large" variant="primary" disabled={!valid()}>
               {language.t("common.continue")}
             </Button>
           </Match>
-          <Match when={item()?.prompt.type === "select"}>
+          <Match when={item()?.field.options !== undefined}>
             <div class="w-full flex flex-col gap-1.5">
-              <div class="text-14-regular text-text-base">{select()?.message}</div>
+              <div class="text-14-regular text-text-base">{select()?.title}</div>
               <div>
                 <List
                   class="px-3"
                   items={select()?.options ?? []}
                   key={(x) => x.value}
-                  current={select()?.options.find((x) => x.value === formStore.value[select()!.key])}
+                  current={select()?.options?.find((x) => x.value === formStore.value[select()!.key])}
                   onSelect={(value) => {
                     if (!value) return
-                    const prompt = select()
-                    if (!prompt) return
+                    const field = select()
+                    if (!field) return
                     const nextValue = {
                       ...formStore.value,
-                      [prompt.key]: value.value,
+                      [field.key]: value.value,
                     }
-                    setFormStore("value", prompt.key, value.value)
+                    setFormStore("value", field.key, value.value)
                     void next(item()!.index, nextValue)
                   }}
                 >
@@ -672,7 +683,7 @@ function ProviderConnection(props: {
                         <div class="w-2.5 h-0.5 ml-0 bg-icon-strong-base hidden" data-slot="list-item-extra-icon" />
                       </div>
                       <span>{option.label}</span>
-                      <span class="text-14-regular text-text-weak">{option.hint}</span>
+                      <span class="text-14-regular text-text-weak">{option.description}</span>
                     </div>
                   )}
                 </List>
@@ -820,6 +831,7 @@ function ProviderConnection(props: {
         integrationID: props.provider,
         location: location(),
         key: apiKey,
+        ...(store.formAnswer ? { answer: store.formAnswer } : {}),
       })
       await complete()
     }
@@ -1143,8 +1155,8 @@ function ProviderConnection(props: {
                 </div>
               </div>
             </Match>
-            <Match when={store.state === "prompt"}>
-              <AuthPromptsView />
+            <Match when={store.state === "form"}>
+              <AuthFormView />
             </Match>
             <Match when={store.state === "error"}>
               <div class="text-14-regular text-text-base">

packages/app/src/context/server-sync.tsx

@@ -662,13 +662,12 @@ export function createServerSyncContextInner(serverSDK: ServerSDK) {
               integrationID: server.integrationID,
               location: { directory: key },
             })
-            const method = integration.data?.methods.find((item) => item.type === "oauth" && !item.prompts?.length)
+            const method = integration.data?.methods.find((item) => item.type === "oauth" && !item.form?.length)
             if (!method || method.type !== "oauth")
               throw new Error(`MCP server ${name} requires an interactive authentication form`)
             const attempt = await serverSDK.api.integration.oauth.connect({
               integrationID: server.integrationID,
               methodID: method.id,
-              inputs: {},
               location: { directory: key },
             })
             platform.openLink(attempt.data.url)

packages/cli/src/commands/handlers/console/login.ts

@@ -50,7 +50,7 @@ const login = Effect.fn("cli.console.login.run")(function* (timeline: TimelineHo
       {
         integrationID,
         methodID: method.id,
-        inputs: server ? { server } : {},
+        ...(server ? { answer: { server } } : {}),
         location,
       },
       { signal },

packages/cli/src/commands/handlers/mcp/auth.ts

@@ -32,7 +32,7 @@ export default Runtime.handler(
       return yield* Effect.fail(new Error(`MCP server "${input.name}" is not an OAuth-capable remote server`))
 
     const started = yield* Effect.promise(() =>
-      client.integration.oauth.connect({ integrationID: integration.id, methodID: method.id, inputs: {}, location }),
+      client.integration.oauth.connect({ integrationID: integration.id, methodID: method.id, location }),
     )
     const attempt = started.data
     if (attempt.mode === "code")

packages/client/src/effect/api/api.ts

@@ -23,9 +23,9 @@ import type { Shell } from "@opencode-ai/schema/shell"
 import type { DateTime } from "effect"
 import type { Provider } from "@opencode-ai/schema/provider"
 import type { Integration } from "@opencode-ai/schema/integration"
+import type { Form } from "@opencode-ai/schema/form"
 import type { Mcp } from "@opencode-ai/schema/mcp"
 import type { Credential } from "@opencode-ai/schema/credential"
-import type { Form } from "@opencode-ai/schema/form"
 import type { Permission } from "@opencode-ai/schema/permission"
 import type { PermissionSaved } from "@opencode-ai/schema/permission-saved"
 import type { FileSystem } from "@opencode-ai/schema/filesystem"
@@ -180,6 +180,7 @@ export type Endpoint5_12Input = {
   readonly text: string
   readonly files?: ReadonlyArray<PromptInput.FileAttachment> | undefined
   readonly agents?: ReadonlyArray<AgentAttachment> | undefined
+  readonly skills?: ReadonlyArray<PromptInput.SkillAttachment> | undefined
   readonly metadata?: { readonly [x: string]: unknown } | undefined
   readonly delivery?: "steer" | "queue" | undefined
   readonly resume?: boolean | undefined
@@ -196,6 +197,7 @@ export type Endpoint5_13Input = {
   readonly model?: Model.Ref | undefined
   readonly files?: ReadonlyArray<PromptInput.FileAttachment> | undefined
   readonly agents?: ReadonlyArray<AgentAttachment> | undefined
+  readonly skills?: ReadonlyArray<PromptInput.SkillAttachment> | undefined
   readonly delivery?: "steer" | "queue" | undefined
   readonly resume?: boolean | undefined
 }
@@ -1052,6 +1054,7 @@ export type Endpoint10_3Input = {
   readonly integrationID: Integration.ID
   readonly location?: { readonly directory?: string | undefined; readonly workspace?: string | undefined } | undefined
   readonly key: string
+  readonly answer?: Form.Answer | undefined
   readonly label?: string | undefined
 }
 export type Endpoint10_3Output = void
@@ -1063,7 +1066,7 @@ export type Endpoint10_4Input = {
   readonly integrationID: Integration.ID
   readonly location?: { readonly directory?: string | undefined; readonly workspace?: string | undefined } | undefined
   readonly methodID: Integration.MethodID
-  readonly inputs: { readonly [x: string]: string }
+  readonly answer?: Form.Answer | undefined
   readonly label?: string | undefined
 }
 export type Endpoint10_4Output = { readonly location: Location.Info; readonly data: Integration.Attempt }

packages/client/src/effect/generated/client.ts

@@ -412,6 +412,7 @@ const Endpoint5_12 = (raw: RawClient["server.session"]) => (input: Endpoint5_12I
         text: input["text"],
         files: input["files"],
         agents: input["agents"],
+        skills: input["skills"],
         metadata: input["metadata"],
         delivery: input["delivery"],
         resume: input["resume"],
@@ -434,6 +435,7 @@ const Endpoint5_13 = (raw: RawClient["server.session"]) => (input: Endpoint5_13I
         model: input["model"],
         files: input["files"],
         agents: input["agents"],
+        skills: input["skills"],
         delivery: input["delivery"],
         resume: input["resume"],
       },
@@ -715,7 +717,7 @@ const Endpoint10_3 = (raw: RawClient["server.integration"]) => (input: Endpoint1
     raw["integration.connect.key"]({
       params: { integrationID: input["integrationID"] },
       query: { location: input["location"] },
-      payload: { key: input["key"], label: input["label"] },
+      payload: { key: input["key"], answer: input["answer"], label: input["label"] },
     }).pipe(Effect.mapError(mapClientError)),
   )
 
@@ -724,7 +726,7 @@ const Endpoint10_4 = (raw: RawClient["server.integration"]) => (input: Endpoint1
     raw["integration.oauth.connect"]({
       params: { integrationID: input["integrationID"] },
       query: { location: input["location"] },
-      payload: { methodID: input["methodID"], inputs: input["inputs"], label: input["label"] },
+      payload: { methodID: input["methodID"], answer: input["answer"], label: input["label"] },
     }).pipe(Effect.mapError(mapClientError)),
   )
 

packages/client/src/promise/generated/client.ts

@@ -615,6 +615,7 @@ export function make(options: ClientOptions) {
               text: input["text"],
               files: input["files"],
               agents: input["agents"],
+              skills: input["skills"],
               metadata: input["metadata"],
               delivery: input["delivery"],
               resume: input["resume"],
@@ -638,6 +639,7 @@ export function make(options: ClientOptions) {
               model: input["model"],
               files: input["files"],
               agents: input["agents"],
+              skills: input["skills"],
               delivery: input["delivery"],
               resume: input["resume"],
             },
@@ -1030,7 +1032,7 @@ export function make(options: ClientOptions) {
               method: "POST",
               path: `/api/integration/${encodeURIComponent(input.integrationID)}/connect/key`,
               query: { location: input["location"] },
-              body: { key: input["key"], label: input["label"] },
+              body: { key: input["key"], answer: input["answer"], label: input["label"] },
               successStatus: 204,
               declaredStatuses: [400, 401],
               empty: true,
@@ -1045,7 +1047,7 @@ export function make(options: ClientOptions) {
               method: "POST",
               path: `/api/integration/${encodeURIComponent(input.integrationID)}/connect/oauth`,
               query: { location: input["location"] },
-              body: { methodID: input["methodID"], inputs: input["inputs"], label: input["label"] },
+              body: { methodID: input["methodID"], answer: input["answer"], label: input["label"] },
               successStatus: 200,
               declaredStatuses: [400, 401],
               empty: false,

packages/client/src/promise/generated/types.ts

@@ -195,12 +195,18 @@ export type ProviderInfo = {
   body?: { [x: string]: any }
 }
 
-export type IntegrationWhen = { key: string; op: "eq" | "neq"; value: string }
+export type FormWhen = {
+  key: string
+  op: "eq" | "neq"
+  value: string | number | "Infinity" | "-Infinity" | "NaN" | boolean
+}
+
+export type FormOption = { value: string; label: string; description?: string }
+
+export type FormExternalField = { key: string; type: "external"; url: string; title?: string; description?: string }
 
 export type IntegrationCommandMethod = { id: string; type: "command"; label: string; command: Array<string> }
 
-export type IntegrationKeyMethod = { type: "key"; label?: string }
-
 export type IntegrationEnvMethod = { type: "env"; names: Array<string> }
 
 export type ConnectionCredentialInfo = { type: "credential"; id: string; label: string }
@@ -285,16 +291,6 @@ export type ProjectDirectory = { directory: string; strategy?: string }
 
 export type FormMetadata = { [x: string]: JsonValue }
 
-export type FormWhen = {
-  key: string
-  op: "eq" | "neq"
-  value: string | number | "Infinity" | "-Infinity" | "NaN" | boolean
-}
-
-export type FormOption = { value: string; label: string; description?: string }
-
-export type FormExternalField = { key: string; type: "external"; url: string; title?: string; description?: string }
-
 export type FormValue = string | number | boolean | Array<string>
 
 export type PermissionSource = { type: "tool"; messageID: string; id: string }
@@ -1080,6 +1076,8 @@ export type PromptFileAttachment = {
 
 export type PromptAgentAttachment = { name: string; mention?: PromptMention }
 
+export type PromptSkillAttachment = { id: string; name: string; text: string; mention?: PromptMention }
+
 export type SessionMessageAssistantText = { type: "text"; text: string; state?: SessionMessageProviderState }
 
 export type SessionMessageAssistantReasoning = {
@@ -1275,45 +1273,6 @@ export type ModelCost = {
   cache: { read: MoneyUSDPerMillionTokens; write: MoneyUSDPerMillionTokens }
 }
 
-export type IntegrationTextPrompt = {
-  type: "text"
-  key: string
-  message: string
-  placeholder?: string
-  when?: IntegrationWhen
-}
-
-export type IntegrationSelectPrompt = {
-  type: "select"
-  key: string
-  message: string
-  options: Array<{ label: string; value: string; hint?: string }>
-  when?: IntegrationWhen
-}
-
-export type ConnectionInfo = ConnectionCredentialInfo | ConnectionEnvInfo
-
-export type McpServer = {
-  name: string
-  status: McpStatusConnected | McpStatusPending | McpStatusDisabled | McpStatusFailed | McpStatusNeedsAuth
-  integrationID?: string
-}
-
-export type McpResourceCatalog = { resources: Array<McpResource>; templates: Array<McpResourceTemplate> }
-
-export type Project = {
-  id: string
-  canonical: string
-  vcs?: ProjectVcs
-  name?: string
-  icon?: ProjectIcon
-  commands?: ProjectCommands
-  time: ProjectTime
-  sandboxes: Array<string>
-}
-
-export type ProjectDirectories = Array<ProjectDirectory>
-
 export type FormNumberField = {
   key: string
   title?: string
@@ -1379,6 +1338,29 @@ export type FormMultiselectField = {
   default?: Array<string>
 }
 
+export type ConnectionInfo = ConnectionCredentialInfo | ConnectionEnvInfo
+
+export type McpServer = {
+  name: string
+  status: McpStatusConnected | McpStatusPending | McpStatusDisabled | McpStatusFailed | McpStatusNeedsAuth
+  integrationID?: string
+}
+
+export type McpResourceCatalog = { resources: Array<McpResource>; templates: Array<McpResourceTemplate> }
+
+export type Project = {
+  id: string
+  canonical: string
+  vcs?: ProjectVcs
+  name?: string
+  icon?: ProjectIcon
+  commands?: ProjectCommands
+  time: ProjectTime
+  sandboxes: Array<string>
+}
+
+export type ProjectDirectories = Array<ProjectDirectory>
+
 export type FormAnswer = { [x: string]: FormValue }
 
 export type PermissionRequest = {
@@ -1565,6 +1547,7 @@ export type SessionMessageUser = {
   text: string
   files?: Array<PromptFileAttachment>
   agents?: Array<PromptAgentAttachment>
+  skills?: Array<PromptSkillAttachment>
   type: "user"
 }
 
@@ -1572,6 +1555,7 @@ export type SessionPendingUserData = {
   text: string
   files?: Array<PromptFileAttachment>
   agents?: Array<PromptAgentAttachment>
+  skills?: Array<PromptSkillAttachment>
   metadata?: { [x: string]: JsonValue }
 }
 
@@ -1579,6 +1563,7 @@ export type SessionPendingUserData1 = {
   text: string
   files?: Array<PromptFileAttachment>
   agents?: Array<PromptAgentAttachment>
+  skills?: Array<PromptSkillAttachment>
   metadata?: { [x: string]: any }
 }
 
@@ -1659,13 +1644,6 @@ export type ModelInfo = {
   limit: { context: number; input?: number; output: number }
 }
 
-export type IntegrationOAuthMethod = {
-  id: string
-  type: "oauth"
-  label: string
-  prompts?: Array<IntegrationTextPrompt | IntegrationSelectPrompt>
-}
-
 export type FormField =
   | FormStringField
   | FormNumberField
@@ -1919,15 +1897,9 @@ export type SessionMessageAssistantTool = {
   time: { created: number; ran?: number; completed?: number }
 }
 
-export type IntegrationMethod =
-  | IntegrationOAuthMethod
-  | IntegrationCommandMethod
-  | IntegrationKeyMethod
-  | IntegrationEnvMethod
-
 export type FormFields = [FormField, ...Array<FormField>]
 
-export type FormFields1 = [FormField1, ...Array<FormField1>]
+export type FormFields3 = [FormField1, ...Array<FormField1>]
 
 export type SessionPendingInfo = SessionPendingUser | SessionPendingSynthetic | SessionPendingCompaction
 
@@ -1949,16 +1921,13 @@ export type SessionMessageAssistant = {
   retry?: SessionMessageAssistantRetry
 }
 
-export type IntegrationInfo = {
-  id: string
-  name: string
-  methods: Array<IntegrationMethod>
-  connections: Array<ConnectionInfo>
-}
+export type IntegrationOAuthMethod = { id: string; type: "oauth"; label: string; form?: FormFields }
+
+export type IntegrationKeyMethod = { type: "key"; label?: string; form?: FormFields }
 
 export type FormInfo = { id: string; sessionID: string; title: string; metadata?: FormMetadata; fields: FormFields }
 
-export type FormInfo1 = { id: string; sessionID: string; title: string; metadata?: FormMetadata1; fields: FormFields1 }
+export type FormInfo1 = { id: string; sessionID: string; title: string; metadata?: FormMetadata1; fields: FormFields3 }
 
 export type SessionInputAdmitted = {
   id: string
@@ -1981,6 +1950,12 @@ export type SessionMessageInfo =
   | SessionMessageAssistant
   | SessionMessageCompaction
 
+export type IntegrationMethod =
+  | IntegrationOAuthMethod
+  | IntegrationCommandMethod
+  | IntegrationKeyMethod
+  | IntegrationEnvMethod
+
 export type FormCreated = {
   id: string
   created: number
@@ -2041,6 +2016,13 @@ export type SessionMessagesResponse = {
   cursor: { previous?: string | null; next?: string | null }
 }
 
+export type IntegrationInfo = {
+  id: string
+  name: string
+  methods: Array<IntegrationMethod>
+  connections: Array<ConnectionInfo>
+}
+
 export type V2Event =
   | ModelsDevRefreshed
   | IntegrationUpdated
@@ -2579,6 +2561,12 @@ export type SessionImportInput = {
             readonly name: string
             readonly mention?: { readonly start: number; readonly end: number; readonly text: string }
           }>
+          readonly skills?: ReadonlyArray<{
+            readonly id: string
+            readonly name: string
+            readonly text: string
+            readonly mention?: { readonly start: number; readonly end: number; readonly text: string }
+          }>
           readonly type: "user"
         }
       | {
@@ -2824,6 +2812,12 @@ export type SessionImportInput = {
             readonly name: string
             readonly mention?: { readonly start: number; readonly end: number; readonly text: string }
           }>
+          readonly skills?: ReadonlyArray<{
+            readonly id: string
+            readonly name: string
+            readonly text: string
+            readonly mention?: { readonly start: number; readonly end: number; readonly text: string }
+          }>
           readonly type: "user"
         }
       | {
@@ -3069,6 +3063,12 @@ export type SessionImportInput = {
             readonly name: string
             readonly mention?: { readonly start: number; readonly end: number; readonly text: string }
           }>
+          readonly skills?: ReadonlyArray<{
+            readonly id: string
+            readonly name: string
+            readonly text: string
+            readonly mention?: { readonly start: number; readonly end: number; readonly text: string }
+          }>
           readonly type: "user"
         }
       | {
@@ -3320,6 +3320,10 @@ export type SessionPromptInput = {
       readonly name: string
       readonly mention?: { readonly start: number; readonly end: number; readonly text: string }
     }>
+    readonly skills?: ReadonlyArray<{
+      readonly id: string
+      readonly mention?: { readonly start: number; readonly end: number; readonly text: string }
+    }>
     readonly metadata?: { readonly [x: string]: JsonValue }
     readonly delivery?: "steer" | "queue" | null
     readonly resume?: boolean | null
@@ -3337,6 +3341,10 @@ export type SessionPromptInput = {
       readonly name: string
       readonly mention?: { readonly start: number; readonly end: number; readonly text: string }
     }>
+    readonly skills?: ReadonlyArray<{
+      readonly id: string
+      readonly mention?: { readonly start: number; readonly end: number; readonly text: string }
+    }>
     readonly metadata?: { readonly [x: string]: JsonValue }
     readonly delivery?: "steer" | "queue" | null
     readonly resume?: boolean | null
@@ -3354,6 +3362,10 @@ export type SessionPromptInput = {
       readonly name: string
       readonly mention?: { readonly start: number; readonly end: number; readonly text: string }
     }>
+    readonly skills?: ReadonlyArray<{
+      readonly id: string
+      readonly mention?: { readonly start: number; readonly end: number; readonly text: string }
+    }>
     readonly metadata?: { readonly [x: string]: JsonValue }
     readonly delivery?: "steer" | "queue" | null
     readonly resume?: boolean | null
@@ -3371,10 +3383,35 @@ export type SessionPromptInput = {
       readonly name: string
       readonly mention?: { readonly start: number; readonly end: number; readonly text: string }
     }>
+    readonly skills?: ReadonlyArray<{
+      readonly id: string
+      readonly mention?: { readonly start: number; readonly end: number; readonly text: string }
+    }>
     readonly metadata?: { readonly [x: string]: JsonValue }
     readonly delivery?: "steer" | "queue" | null
     readonly resume?: boolean | null
   }["agents"]
+  readonly skills?: {
+    readonly id?: string | null
+    readonly text: string
+    readonly files?: ReadonlyArray<{
+      readonly uri: string
+      readonly name?: string
+      readonly description?: string
+      readonly mention?: { readonly start: number; readonly end: number; readonly text: string }
+    }>
+    readonly agents?: ReadonlyArray<{
+      readonly name: string
+      readonly mention?: { readonly start: number; readonly end: number; readonly text: string }
+    }>
+    readonly skills?: ReadonlyArray<{
+      readonly id: string
+      readonly mention?: { readonly start: number; readonly end: number; readonly text: string }
+    }>
+    readonly metadata?: { readonly [x: string]: JsonValue }
+    readonly delivery?: "steer" | "queue" | null
+    readonly resume?: boolean | null
+  }["skills"]
   readonly metadata?: {
     readonly id?: string | null
     readonly text: string
@@ -3388,6 +3425,10 @@ export type SessionPromptInput = {
       readonly name: string
       readonly mention?: { readonly start: number; readonly end: number; readonly text: string }
     }>
+    readonly skills?: ReadonlyArray<{
+      readonly id: string
+      readonly mention?: { readonly start: number; readonly end: number; readonly text: string }
+    }>
     readonly metadata?: { readonly [x: string]: JsonValue }
     readonly delivery?: "steer" | "queue" | null
     readonly resume?: boolean | null
@@ -3405,6 +3446,10 @@ export type SessionPromptInput = {
       readonly name: string
       readonly mention?: { readonly start: number; readonly end: number; readonly text: string }
     }>
+    readonly skills?: ReadonlyArray<{
+      readonly id: string
+      readonly mention?: { readonly start: number; readonly end: number; readonly text: string }
+    }>
     readonly metadata?: { readonly [x: string]: JsonValue }
     readonly delivery?: "steer" | "queue" | null
     readonly resume?: boolean | null
@@ -3422,6 +3467,10 @@ export type SessionPromptInput = {
       readonly name: string
       readonly mention?: { readonly start: number; readonly end: number; readonly text: string }
     }>
+    readonly skills?: ReadonlyArray<{
+      readonly id: string
+      readonly mention?: { readonly start: number; readonly end: number; readonly text: string }
+    }>
     readonly metadata?: { readonly [x: string]: JsonValue }
     readonly delivery?: "steer" | "queue" | null
     readonly resume?: boolean | null
@@ -3448,6 +3497,10 @@ export type SessionCommandInput = {
       readonly name: string
       readonly mention?: { readonly start: number; readonly end: number; readonly text: string }
     }>
+    readonly skills?: ReadonlyArray<{
+      readonly id: string
+      readonly mention?: { readonly start: number; readonly end: number; readonly text: string }
+    }>
     readonly delivery?: "steer" | "queue" | null
     readonly resume?: boolean | null
   }["id"]
@@ -3467,6 +3520,10 @@ export type SessionCommandInput = {
       readonly name: string
       readonly mention?: { readonly start: number; readonly end: number; readonly text: string }
     }>
+    readonly skills?: ReadonlyArray<{
+      readonly id: string
+      readonly mention?: { readonly start: number; readonly end: number; readonly text: string }
+    }>
     readonly delivery?: "steer" | "queue" | null
     readonly resume?: boolean | null
   }["command"]
@@ -3486,6 +3543,10 @@ export type SessionCommandInput = {
       readonly name: string
       readonly mention?: { readonly start: number; readonly end: number; readonly text: string }
     }>
+    readonly skills?: ReadonlyArray<{
+      readonly id: string
+      readonly mention?: { readonly start: number; readonly end: number; readonly text: string }
+    }>
     readonly delivery?: "steer" | "queue" | null
     readonly resume?: boolean | null
   }["arguments"]
@@ -3505,6 +3566,10 @@ export type SessionCommandInput = {
       readonly name: string
       readonly mention?: { readonly start: number; readonly end: number; readonly text: string }
     }>
+    readonly skills?: ReadonlyArray<{
+      readonly id: string
+      readonly mention?: { readonly start: number; readonly end: number; readonly text: string }
+    }>
     readonly delivery?: "steer" | "queue" | null
     readonly resume?: boolean | null
   }["agent"]
@@ -3524,6 +3589,10 @@ export type SessionCommandInput = {
       readonly name: string
       readonly mention?: { readonly start: number; readonly end: number; readonly text: string }
     }>
+    readonly skills?: ReadonlyArray<{
+      readonly id: string
+      readonly mention?: { readonly start: number; readonly end: number; readonly text: string }
+    }>
     readonly delivery?: "steer" | "queue" | null
     readonly resume?: boolean | null
   }["model"]
@@ -3543,6 +3612,10 @@ export type SessionCommandInput = {
       readonly name: string
       readonly mention?: { readonly start: number; readonly end: number; readonly text: string }
     }>
+    readonly skills?: ReadonlyArray<{
+      readonly id: string
+      readonly mention?: { readonly start: number; readonly end: number; readonly text: string }
+    }>
     readonly delivery?: "steer" | "queue" | null
     readonly resume?: boolean | null
   }["files"]
@@ -3562,9 +3635,36 @@ export type SessionCommandInput = {
       readonly name: string
       readonly mention?: { readonly start: number; readonly end: number; readonly text: string }
     }>
+    readonly skills?: ReadonlyArray<{
+      readonly id: string
+      readonly mention?: { readonly start: number; readonly end: number; readonly text: string }
+    }>
     readonly delivery?: "steer" | "queue" | null
     readonly resume?: boolean | null
   }["agents"]
+  readonly skills?: {
+    readonly id?: string | null
+    readonly command: string
+    readonly arguments?: string | null
+    readonly agent?: string | null
+    readonly model?: { readonly id: string; readonly providerID: string; readonly variant?: string } | null
+    readonly files?: ReadonlyArray<{
+      readonly uri: string
+      readonly name?: string
+      readonly description?: string
+      readonly mention?: { readonly start: number; readonly end: number; readonly text: string }
+    }>
+    readonly agents?: ReadonlyArray<{
+      readonly name: string
+      readonly mention?: { readonly start: number; readonly end: number; readonly text: string }
+    }>
+    readonly skills?: ReadonlyArray<{
+      readonly id: string
+      readonly mention?: { readonly start: number; readonly end: number; readonly text: string }
+    }>
+    readonly delivery?: "steer" | "queue" | null
+    readonly resume?: boolean | null
+  }["skills"]
   readonly delivery?: {
     readonly id?: string | null
     readonly command: string
@@ -3581,6 +3681,10 @@ export type SessionCommandInput = {
       readonly name: string
       readonly mention?: { readonly start: number; readonly end: number; readonly text: string }
     }>
+    readonly skills?: ReadonlyArray<{
+      readonly id: string
+      readonly mention?: { readonly start: number; readonly end: number; readonly text: string }
+    }>
     readonly delivery?: "steer" | "queue" | null
     readonly resume?: boolean | null
   }["delivery"]
@@ -3600,6 +3704,10 @@ export type SessionCommandInput = {
       readonly name: string
       readonly mention?: { readonly start: number; readonly end: number; readonly text: string }
     }>
+    readonly skills?: ReadonlyArray<{
+      readonly id: string
+      readonly mention?: { readonly start: number; readonly end: number; readonly text: string }
+    }>
     readonly delivery?: "steer" | "queue" | null
     readonly resume?: boolean | null
   }["resume"]
@@ -3914,8 +4022,21 @@ export type IntegrationConnectKeyInput = {
   readonly location?: {
     readonly location?: { readonly directory?: string | undefined; readonly workspace?: string | undefined } | undefined
   }["location"]
-  readonly key: { readonly key: string; readonly label?: string | undefined }["key"]
-  readonly label?: { readonly key: string; readonly label?: string | undefined }["label"]
+  readonly key: {
+    readonly key: string
+    readonly answer?: { readonly [x: string]: string | number | boolean | ReadonlyArray<string> } | undefined
+    readonly label?: string | undefined
+  }["key"]
+  readonly answer?: {
+    readonly key: string
+    readonly answer?: { readonly [x: string]: string | number | boolean | ReadonlyArray<string> } | undefined
+    readonly label?: string | undefined
+  }["answer"]
+  readonly label?: {
+    readonly key: string
+    readonly answer?: { readonly [x: string]: string | number | boolean | ReadonlyArray<string> } | undefined
+    readonly label?: string | undefined
+  }["label"]
 }
 
 export type IntegrationConnectKeyOutput = void
@@ -3927,17 +4048,17 @@ export type IntegrationOauthConnectInput = {
   }["location"]
   readonly methodID: {
     readonly methodID: string
-    readonly inputs: { readonly [x: string]: string }
+    readonly answer?: { readonly [x: string]: string | number | boolean | ReadonlyArray<string> } | undefined
     readonly label?: string | undefined
   }["methodID"]
-  readonly inputs: {
+  readonly answer?: {
     readonly methodID: string
-    readonly inputs: { readonly [x: string]: string }
+    readonly answer?: { readonly [x: string]: string | number | boolean | ReadonlyArray<string> } | undefined
     readonly label?: string | undefined
-  }["inputs"]
+  }["answer"]
   readonly label?: {
     readonly methodID: string
-    readonly inputs: { readonly [x: string]: string }
+    readonly answer?: { readonly [x: string]: string | number | boolean | ReadonlyArray<string> } | undefined
     readonly label?: string | undefined
   }["label"]
 }

packages/client/test/promise.test.ts

@@ -148,6 +148,49 @@ test("experimental wellknown integration add uses the public HTTP contract", asy
   expect(await request?.json()).toEqual({ url: "https://example.com" })
 })
 
+test("integration connections optionally submit a form answer", async () => {
+  const requests: Request[] = []
+  const client = OpenCode.make({
+    baseUrl: "http://localhost:3000",
+    fetch: async (input, init) => {
+      const request = input instanceof Request ? input : new Request(input, init)
+      requests.push(request)
+      if (request.url.endsWith("/connect/key")) return new Response(null, { status: 204 })
+      return Response.json({
+        location: { directory: "/tmp/project", project: { id: "proj_test", directory: "/tmp/project" } },
+        data: {
+          attemptID: "con_test",
+          url: "https://example.com/authorize",
+          instructions: "Authorize",
+          mode: "auto",
+          time: { created: 1, expires: 2 },
+        },
+      })
+    },
+  })
+
+  await client.integration.connect.key({
+    integrationID: "cloudflare-workers-ai",
+    key: "secret",
+    answer: { accountId: "account" },
+  })
+  await client.integration.oauth.connect({
+    integrationID: "github-copilot",
+    methodID: "device",
+    answer: { deploymentType: "enterprise", enabled: true, scopes: ["read:user"] },
+  })
+  await client.integration.connect.key({ integrationID: "openai", key: "secret" })
+  await client.integration.oauth.connect({ integrationID: "openai", methodID: "device" })
+
+  expect(await requests[0].json()).toEqual({ key: "secret", answer: { accountId: "account" } })
+  expect(await requests[1].json()).toEqual({
+    methodID: "device",
+    answer: { deploymentType: "enterprise", enabled: true, scopes: ["read:user"] },
+  })
+  expect(await requests[2].json()).toEqual({ key: "secret" })
+  expect(await requests[3].json()).toEqual({ methodID: "device" })
+})
+
 test("health.stop sends exact replacement identity", async () => {
   let request: Request | undefined
   const client = OpenCode.make({

packages/core/schema.json

@@ -1,13 +1,9 @@
 {
   "version": "7",
   "dialect": "sqlite",
-  "id": "2d214a71-3b0a-48c1-a667-741952c4e188",
-  "prevIds": ["f14a9b18-8207-487e-a3d3-227e629ba9ad"],
+  "id": "15060ec5-05f7-4b86-b2a5-9108609432b3",
+  "prevIds": ["1551a157-8959-4ba9-a52b-4ea3b7b28cae"],
   "ddl": [
-    {
-      "name": "workspace",
-      "entityType": "tables"
-    },
     {
       "name": "account_state",
       "entityType": "tables"
@@ -73,84 +69,8 @@
       "entityType": "tables"
     },
     {
-      "type": "text",
-      "notNull": false,
-      "autoincrement": false,
-      "default": null,
-      "generated": null,
-      "name": "id",
-      "entityType": "columns",
-      "table": "workspace"
-    },
-    {
-      "type": "text",
-      "notNull": true,
-      "autoincrement": false,
-      "default": null,
-      "generated": null,
-      "name": "type",
-      "entityType": "columns",
-      "table": "workspace"
-    },
-    {
-      "type": "text",
-      "notNull": true,
-      "autoincrement": false,
-      "default": "''",
-      "generated": null,
-      "name": "name",
-      "entityType": "columns",
-      "table": "workspace"
-    },
-    {
-      "type": "text",
-      "notNull": false,
-      "autoincrement": false,
-      "default": null,
-      "generated": null,
-      "name": "branch",
-      "entityType": "columns",
-      "table": "workspace"
-    },
-    {
-      "type": "text",
-      "notNull": false,
-      "autoincrement": false,
-      "default": null,
-      "generated": null,
-      "name": "directory",
-      "entityType": "columns",
-      "table": "workspace"
-    },
-    {
-      "type": "text",
-      "notNull": false,
-      "autoincrement": false,
-      "default": null,
-      "generated": null,
-      "name": "extra",
-      "entityType": "columns",
-      "table": "workspace"
-    },
-    {
-      "type": "text",
-      "notNull": true,
-      "autoincrement": false,
-      "default": null,
-      "generated": null,
-      "name": "project_id",
-      "entityType": "columns",
-      "table": "workspace"
-    },
-    {
-      "type": "integer",
-      "notNull": true,
-      "autoincrement": false,
-      "default": null,
-      "generated": null,
-      "name": "time_used",
-      "entityType": "columns",
-      "table": "workspace"
+      "name": "workspace",
+      "entityType": "tables"
     },
     {
       "type": "integer",
@@ -1383,14 +1303,53 @@
       "table": "session_v2"
     },
     {
-      "columns": ["project_id"],
-      "tableTo": "project",
-      "columnsTo": ["id"],
-      "onUpdate": "NO ACTION",
-      "onDelete": "CASCADE",
-      "nameExplicit": false,
-      "name": "fk_workspace_project_id_project_id_fk",
-      "entityType": "fks",
+      "type": "text",
+      "notNull": false,
+      "autoincrement": false,
+      "default": null,
+      "generated": null,
+      "name": "id",
+      "entityType": "columns",
+      "table": "workspace"
+    },
+    {
+      "type": "text",
+      "notNull": true,
+      "autoincrement": false,
+      "default": null,
+      "generated": null,
+      "name": "provider",
+      "entityType": "columns",
+      "table": "workspace"
+    },
+    {
+      "type": "text",
+      "notNull": true,
+      "autoincrement": false,
+      "default": null,
+      "generated": null,
+      "name": "binding",
+      "entityType": "columns",
+      "table": "workspace"
+    },
+    {
+      "type": "integer",
+      "notNull": true,
+      "autoincrement": false,
+      "default": null,
+      "generated": null,
+      "name": "created_at",
+      "entityType": "columns",
+      "table": "workspace"
+    },
+    {
+      "type": "integer",
+      "notNull": true,
+      "autoincrement": false,
+      "default": null,
+      "generated": null,
+      "name": "last_used_at",
+      "entityType": "columns",
       "table": "workspace"
     },
     {
@@ -1513,13 +1472,6 @@
       "entityType": "pks",
       "table": "instruction_entry"
     },
-    {
-      "columns": ["id"],
-      "nameExplicit": false,
-      "name": "workspace_pk",
-      "table": "workspace",
-      "entityType": "pks"
-    },
     {
       "columns": ["id"],
       "nameExplicit": false,
@@ -1611,6 +1563,13 @@
       "table": "session_v2",
       "entityType": "pks"
     },
+    {
+      "columns": ["id"],
+      "nameExplicit": false,
+      "name": "workspace_pk",
+      "table": "workspace",
+      "entityType": "pks"
+    },
     {
       "columns": [
         {

packages/core/src/control-plane/workspace.sql.ts

@@ -1,20 +0,0 @@
-import { sqliteTable, text, integer } from "drizzle-orm/sqlite-core"
-import { ProjectTable } from "../project/sql"
-import { Project } from "../project"
-import { Workspace } from "../workspace"
-
-export const WorkspaceTable = sqliteTable("workspace", {
-  id: text().$type<Workspace.ID>().primaryKey(),
-  type: text().notNull(),
-  name: text().notNull().default(""),
-  branch: text(),
-  directory: text(),
-  extra: text({ mode: "json" }),
-  project_id: text()
-    .$type<Project.ID>()
-    .notNull()
-    .references(() => ProjectTable.id, { onDelete: "cascade" }),
-  time_used: integer()
-    .notNull()
-    .$default(() => Date.now()),
-})

packages/core/src/database/migration.gen.ts

@@ -42,5 +42,6 @@ export const migrations: DatabaseMigration.Migration[] = (
     import("./migration/20260622202450_simplify_session_input"),
     import("./migration/20260804233008_loose_psylocke"),
     import("./migration/20260805200742_import_legacy_credentials"),
+    import("./migration/20260808023530_workspace_domain"),
   ])
 ).map((module) => module.default)

packages/core/src/database/migration/20260808023530_workspace_domain.ts

@@ -0,0 +1,22 @@
+import { Effect } from "effect"
+import type { DatabaseMigration } from "../migration"
+
+const migration: DatabaseMigration.Migration = {
+  id: "20260808023530_workspace_domain",
+  up(tx) {
+    return Effect.gen(function* () {
+      yield* tx.run(`DROP TABLE \`workspace\`;`)
+      yield* tx.run(`
+        CREATE TABLE \`workspace\` (
+          \`id\` text PRIMARY KEY,
+          \`provider\` text NOT NULL,
+          \`binding\` text NOT NULL,
+          \`created_at\` integer NOT NULL,
+          \`last_used_at\` integer NOT NULL
+        );
+      `)
+    })
+  },
+}
+
+export default migration

packages/core/src/database/schema.gen.ts

@@ -4,19 +4,6 @@ import type { DatabaseMigration } from "./migration"
 const schema: Omit<DatabaseMigration.Migration, "id"> = {
   up(tx) {
     return Effect.gen(function* () {
-      yield* tx.run(`
-        CREATE TABLE \`workspace\` (
-          \`id\` text PRIMARY KEY,
-          \`type\` text NOT NULL,
-          \`name\` text DEFAULT '' NOT NULL,
-          \`branch\` text,
-          \`directory\` text,
-          \`extra\` text,
-          \`project_id\` text NOT NULL,
-          \`time_used\` integer NOT NULL,
-          CONSTRAINT \`fk_workspace_project_id_project_id_fk\` FOREIGN KEY (\`project_id\`) REFERENCES \`project\`(\`id\`) ON DELETE CASCADE
-        );
-      `)
       yield* tx.run(`
         CREATE TABLE \`account_state\` (
           \`id\` integer PRIMARY KEY,
@@ -216,6 +203,15 @@ const schema: Omit<DatabaseMigration.Migration, "id"> = {
           CONSTRAINT \`fk_session_v2_project_id_project_id_fk\` FOREIGN KEY (\`project_id\`) REFERENCES \`project\`(\`id\`) ON DELETE CASCADE
         );
       `)
+      yield* tx.run(`
+        CREATE TABLE \`workspace\` (
+          \`id\` text PRIMARY KEY,
+          \`provider\` text NOT NULL,
+          \`binding\` text NOT NULL,
+          \`created_at\` integer NOT NULL,
+          \`last_used_at\` integer NOT NULL
+        );
+      `)
       yield* tx.run(`CREATE UNIQUE INDEX \`event_aggregate_seq_idx\` ON \`event\` (\`aggregate_id\`,\`seq\`);`)
       yield* tx.run(`CREATE INDEX \`event_aggregate_type_seq_idx\` ON \`event\` (\`aggregate_id\`,\`type\`,\`seq\`);`)
       yield* tx.run(

packages/core/src/environment/environment.ts

@@ -5,6 +5,8 @@ import { ChildProcessSpawner } from "effect/unstable/process/ChildProcessSpawner
 import type { Files } from "./files"
 import { makeFiles } from "./index"
 import { makeLocalDriver } from "./local"
+import { Location } from "../location"
+import { Workspace } from "../workspace"
 
 export interface Interface {
   readonly files: Files
@@ -17,10 +19,25 @@ const layer = Layer.effect(
   Service,
   Effect.gen(function* () {
     const spawner = yield* ChildProcessSpawner
-    return Service.of({ files: makeFiles(makeLocalDriver(spawner)), spawner })
+    const location = yield* Location.Service
+    const workspace = yield* Workspace.Service
+    const driver = location.workspaceID
+      ? yield* workspace.connect(location.workspaceID).pipe(
+          // Environment has no error channel; an unknown or destroyed placement is a configuration defect by design.
+          Effect.mapError(
+            (cause) => new Error(`Failed to bind Environment to workspace ${location.workspaceID}`, { cause }),
+          ),
+          Effect.orDie,
+        )
+      : makeLocalDriver(spawner)
+    return Service.of({ files: makeFiles(driver), spawner: driver.spawner })
   }),
 )
 
-export const node = makeLocationNode({ service: Service, layer, deps: [CrossSpawnSpawner.node] })
+export const node = makeLocationNode({
+  service: Service,
+  layer,
+  deps: [CrossSpawnSpawner.node, Location.node, Workspace.node],
+})
 
 export * as EnvironmentService from "./environment"

packages/core/src/form.ts

@@ -180,7 +180,7 @@ export const layer = Layer.effect(
         Effect.gen(function* () {
           const entry = yield* find(input.id)
           if (entry.state.status !== "pending") return yield* new AlreadySettledError({ id: input.id })
-          const invalid = validateAnswer(entry.form, input.answer)
+          const invalid = validateAnswer(entry.form.fields, input.answer)
           if (invalid) return yield* new InvalidAnswerError({ id: input.id, message: invalid })
           const next: TerminalState = { status: "answered", answer: input.answer }
           yield* bus.publish(Form.Event.Replied, {
@@ -227,12 +227,12 @@ export const locationLayer = layer
 
 export const node = makeLocationNode({ service: Service, layer, deps: [Bus.node] })
 
-function validateAnswer(form: Info, answer: Answer) {
-  const fields = new Map(form.fields.map((field) => [field.key, field] as const))
+export function validateAnswer(form: ReadonlyArray<Form.Field>, answer: Answer) {
+  const fields = new Map(form.map((field) => [field.key, field] as const))
   for (const key of Object.keys(answer)) {
     if (!fields.has(key)) return `Unknown form field: ${key}`
   }
-  for (const field of form.fields) {
+  for (const field of form) {
     const value = answer[field.key]
     if (field.type === "external") {
       if (value !== true) return `External form field must be acknowledged: ${field.key}`
@@ -268,7 +268,7 @@ function matches(when: Form.When, value: Form.Value | undefined) {
 // carry a value matching that field's type, and use a declared option when the field's options
 // are closed. Rejecting these at creation surfaces authoring mistakes to the caller instead of
 // silently never matching.
-function validateFields(fields: ReadonlyArray<Form.Field>) {
+export function validateFields(fields: ReadonlyArray<Form.Field>) {
   if (fields.length === 0) return "Form must have at least one field"
   const earlier = new Map<string, InputField>()
   const keys = new Set<string>()

packages/core/src/github-copilot/models.ts

@@ -70,6 +70,11 @@ type UsableModel = RemoteModel & {
   }
 }
 
+export const Package = {
+  OpenAI: "@ai-sdk/github-copilot",
+  Anthropic: "@ai-sdk/github-copilot/anthropic",
+} as const
+
 export async function get(baseURL: string, headers: RequestInit["headers"], existing: readonly Model.Info[]) {
   const response = await fetch(`${baseURL}/models`, {
     headers,
@@ -141,7 +146,7 @@ function build(id: Model.ID, remote: UsableModel, baseURL: string, previous?: Mo
     providerID: Provider.ID.githubCopilot,
     family: previous?.family ?? Model.Family.make(remote.capabilities.family),
     name: previous?.name ?? remote.name,
-    package: Provider.aisdk(messages ? "@ai-sdk/anthropic" : "@ai-sdk/github-copilot"),
+    package: Provider.aisdk(messages ? Package.Anthropic : Package.OpenAI),
     settings: Provider.mergeOverlay(previous?.settings, {
       baseURL: messages ? `${baseURL}/v1` : baseURL,
       ...(endpoint ? { endpoint } : {}),

packages/core/src/integration.ts

@@ -24,6 +24,7 @@ import { Bus } from "./bus"
 import { IntegrationConnection } from "./integration/connection"
 import { AppProcess } from "@opencode-ai/util/process"
 import { ChildProcess } from "effect/unstable/process"
+import { Form } from "./form"
 
 export const ID = Integration.ID
 export type ID = Integration.ID
@@ -34,18 +35,6 @@ export type MethodID = Integration.MethodID
 export const AttemptID = Integration.AttemptID
 export type AttemptID = typeof AttemptID.Type
 
-export const When = Integration.When
-export type When = Integration.When
-
-export const TextPrompt = Integration.TextPrompt
-export type TextPrompt = Integration.TextPrompt
-
-export const SelectPrompt = Integration.SelectPrompt
-export type SelectPrompt = Integration.SelectPrompt
-
-export const Prompt = Integration.Prompt
-export type Prompt = Integration.Prompt
-
 export const OAuthMethod = Integration.OAuthMethod
 export type OAuthMethod = Integration.OAuthMethod
 
@@ -64,9 +53,6 @@ export type Method = Integration.Method
 export const Info = Integration.Info
 export type Info = Integration.Info
 
-export const Inputs = Integration.Inputs
-export type Inputs = Integration.Inputs
-
 export type OAuthAuthorization = {
   readonly url: string
   readonly instructions: string
@@ -85,7 +71,7 @@ export type OAuthAuthorization = {
 export interface OAuthImplementation {
   readonly integrationID: ID
   readonly method: OAuthMethod
-  readonly authorize: (inputs: Inputs) => Effect.Effect<OAuthAuthorization, unknown, Scope.Scope>
+  readonly authorize: (answer: Form.Answer) => Effect.Effect<OAuthAuthorization, unknown, Scope.Scope>
   readonly refresh?: (credential: Credential.OAuth) => Effect.Effect<Credential.OAuth, unknown>
   readonly label?: (credential: Credential.OAuth) => string | undefined
 }
@@ -175,6 +161,8 @@ export interface Interface extends State.Transformable<Draft> {
       readonly integrationID: ID
       /** Secret entered by the user. */
       readonly key: string
+      /** Values collected from the method's form fields. */
+      readonly answer?: Form.Answer
       /** User-facing label for the stored credential. */
       readonly label?: string
     }) => Effect.Effect<void, AuthorizationError>
@@ -191,7 +179,7 @@ export interface Interface extends State.Transformable<Draft> {
     readonly connect: (input: {
       readonly integrationID: ID
       readonly methodID: MethodID
-      readonly inputs: Inputs
+      readonly answer?: Form.Answer
       readonly label?: string
     }) => Effect.Effect<Attempt, AuthorizationError>
     /** Returns the current state of an OAuth attempt. */
@@ -356,7 +344,7 @@ const layer = Layer.effect(
       return [...credentials, ...env]
     }
 
-    const project = (entry: Entry, connections: IntegrationConnection.Info[]) =>
+    const project = (entry: Entry, connections: IntegrationConnection.Info[]): Info =>
       Info.make({
         id: entry.ref.id,
         name: entry.ref.name,
@@ -547,15 +535,20 @@ const layer = Layer.effect(
     const connectOAuth = Effect.fn("Integration.oauth.connect")(function* (input: {
       readonly integrationID: ID
       readonly methodID: MethodID
-      readonly inputs: Inputs
+      readonly answer?: Form.Answer
       readonly label?: string
     }) {
       const method = state.get().integrations.get(input.integrationID)?.implementations.get(input.methodID)
       if (!method) {
         return yield* Effect.die(new Error(`OAuth method not found: ${input.integrationID}/${input.methodID}`))
       }
+      const answer = input.answer ?? {}
+      if (method.method.form) {
+        const invalid = Form.validateFields(method.method.form) ?? Form.validateAnswer(method.method.form, answer)
+        if (invalid) return yield* new AuthorizationError({ cause: new Error(invalid) })
+      }
       const attemptScope = yield* Scope.fork(scope)
-      const authorization = yield* authorize(method.authorize(input.inputs)).pipe(
+      const authorization = yield* authorize(method.authorize(answer)).pipe(
         Scope.provide(attemptScope),
         Effect.onExit((exit) => (Exit.isFailure(exit) ? Scope.close(attemptScope, exit) : Effect.void)),
       )
@@ -699,12 +692,24 @@ const layer = Layer.effect(
           const method = state
             .get()
             .integrations.get(input.integrationID)
-            ?.methods.some((method) => method.type === "key")
+            ?.methods.find((method) => method.type === "key")
           if (!method) return yield* Effect.die(new Error(`Key method not found: ${input.integrationID}`))
+          const answer = input.answer ?? {}
+          if (method.type === "key" && method.form) {
+            const invalid = Form.validateFields(method.form) ?? Form.validateAnswer(method.form, answer)
+            if (invalid) return yield* new AuthorizationError({ cause: new Error(invalid) })
+          }
+          if (method.type === "key" && !method.form && Object.keys(answer).length > 0) {
+            return yield* new AuthorizationError({ cause: new Error("Key method does not accept a form answer") })
+          }
           yield* credentials.create({
             integrationID: input.integrationID,
             label: input.label,
-            value: Credential.Key.make({ type: "key", key: input.key }),
+            value: Credential.Key.make({
+              type: "key",
+              key: input.key,
+              ...(Object.keys(answer).length > 0 ? { configuration: answer } : {}),
+            }),
           })
           yield* bus.publish(Integration.Event.ConnectionUpdated, { integrationID: input.integrationID })
           yield* bus.publish(Integration.Event.Updated, {})

packages/core/src/model-resolver.ts

@@ -149,6 +149,7 @@ export const fromCatalogModel = (
   })
   const packageName = Provider.packageName(resolved.package)
   const key = apiKey(resolved, credential)
+  const configuration = credential?.type === "key" ? credential.configuration : undefined
 
   if (Provider.isAISDK(resolved.package) && packageName === "@ai-sdk/openai") {
     return Effect.succeed(
@@ -175,7 +176,7 @@ export const fromCatalogModel = (
         .model({ id: resolved.modelID ?? resolved.id, compatibility: resolved.compatibility }),
     )
   }
-  const configured = { ...resolved.settings, ...credential?.metadata }
+  const configured = { ...resolved.settings, ...credential?.metadata, ...configuration }
   const mapping = Provider.isAISDK(resolved.package)
     ? AISDKNative.map({
         packageName,
@@ -190,6 +191,7 @@ export const fromCatalogModel = (
       draft.settings = Provider.mergeOverlay(draft.settings, {
         ...nativeCredentialSettings(resolved.package ?? "", credential),
         ...credential?.metadata,
+        ...configuration,
       })
     })
     return dependencies.loadAISDK(runtime).pipe(Effect.mapError(() => unsupported(resolved)))

packages/core/src/plugin/host.ts

@@ -190,6 +190,7 @@ export const make = Effect.fn("PluginHost.make")(function* (plugin: import("../p
           integration.connection.key({
             integrationID: Integration.ID.make(input.integrationID),
             key: input.key,
+            answer: input.answer,
             label: input.label,
           }),
       },
@@ -199,7 +200,7 @@ export const make = Effect.fn("PluginHost.make")(function* (plugin: import("../p
             integration.oauth.connect({
               integrationID: Integration.ID.make(input.integrationID),
               methodID: Integration.MethodID.make(input.methodID),
-              inputs: input.inputs,
+              answer: input.answer,
               label: input.label,
             }),
           ),
@@ -260,7 +261,7 @@ export const make = Effect.fn("PluginHost.make")(function* (plugin: import("../p
             update: (id, update) => draft.update(Integration.ID.make(id), update),
             remove: (id) => draft.remove(Integration.ID.make(id)),
             method: {
-              list: (id) => mutable(draft.method.list(Integration.ID.make(id))),
+              list: (id) => draft.method.list(Integration.ID.make(id)),
               update: (input) => draft.method.update(methodImplementation(input)),
               remove: (id, method) =>
                 draft.method.remove(Integration.ID.make(id), Schema.decodeUnknownSync(Integration.Method)(method)),
@@ -363,8 +364,8 @@ function methodImplementation(input: IntegrationMethodRegistration): Integration
     return {
       integrationID: Integration.ID.make(input.integrationID),
       method: { ...input.method, id: Integration.MethodID.make(input.method.id) },
-      authorize: (inputs) =>
-        input.authorize(inputs).pipe(
+      authorize: (answer) =>
+        input.authorize(answer).pipe(
           Effect.map((authorization) => {
             if (authorization.mode === "auto") {
               return {
@@ -385,18 +386,18 @@ function methodImplementation(input: IntegrationMethodRegistration): Integration
   if (input.method.type === "env") {
     return {
       integrationID: Integration.ID.make(input.integrationID),
-      method: { type: "env", names: input.method.names },
+      method: input.method,
     }
   }
   if (input.method.type === "command") {
     return {
       integrationID: Integration.ID.make(input.integrationID),
-      method: Schema.decodeUnknownSync(Integration.CommandMethod)(input.method),
+      method: { ...input.method, id: Integration.MethodID.make(input.method.id) },
     }
   }
   return {
     integrationID: Integration.ID.make(input.integrationID),
-    method: { type: "key", label: input.method.label },
+    method: input.method,
   }
 }
 

packages/core/src/plugin/promise.ts

@@ -11,6 +11,7 @@ import { Provider } from "@opencode-ai/schema/provider"
 import { AbsolutePath } from "@opencode-ai/schema/schema"
 import { Session } from "@opencode-ai/schema/session"
 import { SessionMessage } from "@opencode-ai/schema/session-message"
+import { Skill } from "@opencode-ai/schema/skill"
 import { Workspace } from "@opencode-ai/schema/workspace"
 import { WebSearch } from "@opencode-ai/schema/websearch"
 import { DateTime, Effect, Scope, Stream } from "effect"
@@ -179,8 +180,8 @@ export function fromPromise(plugin: Plugin) {
                         const refresh = input.refresh
                         draft.method.update({
                           ...input,
-                          authorize: (inputs) =>
-                            Effect.promise(() => input.authorize(inputs)).pipe(
+                          authorize: (answer) =>
+                            Effect.promise(() => input.authorize(answer)).pipe(
                               Effect.map((authorization) =>
                                 authorization.mode === "auto"
                                   ? {
@@ -296,6 +297,7 @@ export function fromPromise(plugin: Plugin) {
                   ...input,
                   sessionID: Session.ID.make(input.sessionID),
                   id: input.id == null ? undefined : SessionMessage.ID.make(input.id),
+                  skills: input.skills?.map((skill) => ({ ...skill, id: Skill.ID.make(skill.id) })),
                   delivery: input.delivery ?? undefined,
                   resume: input.resume ?? undefined,
                 }),
@@ -310,6 +312,7 @@ export function fromPromise(plugin: Plugin) {
                   id: input.id == null ? undefined : SessionMessage.ID.make(input.id),
                   agent: input.agent == null ? undefined : Agent.ID.make(input.agent),
                   model: input.model == null ? undefined : model(input.model),
+                  skills: input.skills?.map((skill) => ({ ...skill, id: Skill.ID.make(skill.id) })),
                   arguments: input.arguments ?? undefined,
                   delivery: input.delivery ?? undefined,
                   resume: input.resume ?? undefined,
@@ -359,11 +362,17 @@ type Wire<Value> = unknown extends Value
     ? Value
     : Value extends DateTime.DateTime
       ? number
-      : Value extends ReadonlyArray<infer Item>
-        ? Array<Wire<Item>>
-        : Value extends object
-          ? { -readonly [Key in keyof Value]: Wire<Value[Key]> }
-          : Value
+      : Value extends readonly [infer Head, ...infer Tail]
+        ? [Wire<Head>, ...WireTuple<Tail>]
+        : Value extends ReadonlyArray<infer Item>
+          ? Array<Wire<Item>>
+          : Value extends object
+            ? { -readonly [Key in keyof Value]: Wire<Value[Key]> }
+            : Value
+
+type WireTuple<Value extends ReadonlyArray<unknown>> = {
+  -readonly [Key in keyof Value]: Wire<Value[Key]>
+}
 
 function wire<Value>(value: Value): Wire<Value>
 function wire(value: unknown): unknown {

packages/core/src/plugin/provider/azure.ts

@@ -1,6 +1,9 @@
 import { Effect } from "effect"
 import { define } from "@opencode-ai/plugin/effect/plugin"
+import { Form } from "@opencode-ai/schema/form"
 import { Provider } from "../../provider"
+import { iife } from "../../util/iife"
+import { configuredSettings } from "./configured"
 
 function selectLanguage(sdk: any, modelID: string, useChat: boolean) {
   if (useChat && sdk.chat) return sdk.chat(modelID)
@@ -13,6 +16,29 @@ function selectLanguage(sdk: any, modelID: string, useChat: boolean) {
 export const AzurePlugin = define({
   id: "opencode.provider.azure",
   effect: Effect.fn(function* (ctx) {
+    const configured = yield* configuredSettings(Provider.ID.azure)
+    const form = iife(() => {
+      if (resolveResourceName(configured) || typeof configured?.baseURL === "string") return
+      return Form.Fields.make([
+        {
+          type: "string",
+          key: "resourceName",
+          title: "Enter Azure Resource Name",
+          placeholder: "e.g. my-models",
+          required: true,
+        },
+      ])
+    })
+    yield* ctx.integration.transform((draft) => {
+      draft.method.update({
+        integrationID: Provider.ID.azure,
+        method: {
+          type: "key",
+          label: "API key",
+          form,
+        },
+      })
+    })
     yield* ctx.catalog.transform((evt) => {
       for (const item of evt.provider.list()) {
         if (item.provider.id !== Provider.ID.azure && Provider.packageName(item.provider.package) !== "@ai-sdk/azure")

packages/core/src/plugin/provider/cloudflare-ai-gateway.ts

@@ -2,10 +2,53 @@ import os from "os"
 import { App } from "../../app"
 import { Effect, Option, Schema } from "effect"
 import { define } from "@opencode-ai/plugin/effect/plugin"
+import { Form } from "@opencode-ai/schema/form"
+import { Provider } from "../../provider"
+import { iife } from "../../util/iife"
+import { configuredSettings } from "./configured"
+
+const providerID = Provider.ID.make("cloudflare-ai-gateway")
 
 export const CloudflareAIGatewayPlugin = define({
   id: "opencode.provider.cloudflare-ai-gateway",
   effect: Effect.fn(function* (ctx) {
+    const configured = yield* configuredSettings(providerID)
+    const form = iife(() => {
+      if (typeof configured?.baseURL === "string") return
+      const accountId = process.env.CLOUDFLARE_ACCOUNT_ID || stringOption(configured ?? {}, "accountId")
+      const gatewayId =
+        process.env.CLOUDFLARE_GATEWAY_ID ||
+        stringOption(configured ?? {}, "gatewayId") ||
+        stringOption(configured ?? {}, "gateway")
+      if (accountId && gatewayId) return
+      const accountIdForm = Form.StringField.make({
+        type: "string",
+        key: "accountId",
+        title: "Enter your Cloudflare Account ID",
+        placeholder: "e.g. 1234567890abcdef1234567890abcdef",
+        required: true,
+      })
+      const gatewayIdForm = Form.StringField.make({
+        type: "string",
+        key: "gatewayId",
+        title: "Enter your Cloudflare AI Gateway ID",
+        placeholder: "e.g. my-gateway",
+        required: true,
+      })
+      if (accountId) return Form.Fields.make([gatewayIdForm])
+      if (gatewayId) return Form.Fields.make([accountIdForm])
+      return Form.Fields.make([accountIdForm, gatewayIdForm])
+    })
+    yield* ctx.integration.transform((draft) => {
+      draft.method.update({
+        integrationID: providerID,
+        method: {
+          type: "key",
+          label: "Gateway API token",
+          form,
+        },
+      })
+    })
     yield* ctx.aisdk.hook(
       "sdk",
       Effect.fn(function* (evt) {
@@ -46,7 +89,7 @@ const decodeJson = Schema.decodeUnknownOption(Schema.UnknownFromJsonString)
 
 function gatewayConfig(options: Record<string, unknown>): GatewayConfig | undefined {
   const accountId = process.env.CLOUDFLARE_ACCOUNT_ID ?? stringOption(options, "accountId")
-  // Credential projection copies key metadata into options. The prompt stores the
+  // Credential projection copies key metadata into options. The form stores the
   // gateway as gatewayId, while older config examples may use gateway.
   const gatewayId =
     process.env.CLOUDFLARE_GATEWAY_ID ?? stringOption(options, "gatewayId") ?? stringOption(options, "gateway")

packages/core/src/plugin/provider/cloudflare-workers-ai.ts

@@ -2,13 +2,39 @@ import os from "os"
 import { App } from "../../app"
 import { Effect } from "effect"
 import { define } from "@opencode-ai/plugin/effect/plugin"
+import { Form } from "@opencode-ai/schema/form"
 import { Provider } from "../../provider"
+import { iife } from "../../util/iife"
+import { configuredSettings } from "./configured"
 
 const providerID = Provider.ID.make("cloudflare-workers-ai")
 
 export const CloudflareWorkersAIPlugin = define({
   id: "opencode.provider.cloudflare-workers-ai",
   effect: Effect.fn(function* (ctx) {
+    const configured = yield* configuredSettings(providerID)
+    const form = iife(() => {
+      if (typeof configured?.baseURL === "string" || resolveAccountId(configured ?? {})) return
+      return Form.Fields.make([
+        {
+          type: "string",
+          key: "accountId",
+          title: "Enter your Cloudflare Account ID",
+          placeholder: "e.g. 1234567890abcdef1234567890abcdef",
+          required: true,
+        },
+      ])
+    })
+    yield* ctx.integration.transform((draft) => {
+      draft.method.update({
+        integrationID: providerID,
+        method: {
+          type: "key",
+          label: "API key",
+          form,
+        },
+      })
+    })
     yield* ctx.catalog.transform((evt) => {
       const item = evt.provider.get(providerID)
       if (!item) return

packages/core/src/plugin/provider/configured.ts

@@ -0,0 +1,15 @@
+import { Effect, Option } from "effect"
+import type { Document } from "@opencode-ai/schema/config"
+import { Catalog } from "../../catalog"
+import { Config } from "../../config"
+import { Provider } from "../../provider"
+
+export const configuredSettings = Effect.fn("ProviderPlugin.configuredSettings")(function* (id: Provider.ID) {
+  const catalog = yield* Catalog.Service
+  const current = (yield* catalog.provider.get(id))?.settings
+  const service = yield* Effect.serviceOption(Config.Service)
+  const entries = Option.isSome(service) ? yield* service.value.entries() : []
+  return entries
+    .filter((entry): entry is Document => entry.type === "document")
+    .reduce((settings, entry) => Provider.mergeOverlay(settings, entry.info.providers?.[id]?.settings), current)
+})

packages/core/src/plugin/provider/github-copilot.ts

@@ -15,6 +15,8 @@ import type { PluginInternal } from "../internal"
 const clientID = "Ov23li8tweQw6odWQebz"
 const apiVersion = "2026-06-01"
 const userApiVersion = "2025-04-01"
+const copilotVersion = "0.26.7"
+const editorVersion = "vscode/1.99.3"
 const pollingSafetyMargin = 3000
 const methodID = Integration.MethodID.make("device")
 
@@ -47,30 +49,33 @@ const oauth = (app: App.Info) =>
       id: methodID,
       type: "oauth",
       label: "Login with GitHub Copilot",
-      prompts: [
+      form: [
         {
-          type: "select",
+          type: "string",
           key: "deploymentType",
-          message: "Select GitHub deployment type",
+          title: "Select GitHub deployment type",
+          required: true,
           options: [
-            { label: "GitHub.com", value: "github.com", hint: "Public" },
-            { label: "GitHub Enterprise", value: "enterprise", hint: "Data residency or self-hosted" },
+            { label: "GitHub.com", value: "github.com", description: "Public" },
+            { label: "GitHub Enterprise", value: "enterprise", description: "Data residency or self-hosted" },
           ],
         },
         {
-          type: "text",
+          type: "string",
           key: "enterpriseUrl",
-          message: "Enter your GitHub Enterprise URL or domain",
+          title: "Enter your GitHub Enterprise URL or domain",
           placeholder: "company.ghe.com or https://company.ghe.com",
-          when: { key: "deploymentType", op: "eq", value: "enterprise" },
+          required: true,
+          when: [{ key: "deploymentType", op: "eq", value: "enterprise" }],
         },
       ],
     },
-    authorize: (inputs) =>
+    authorize: (answer) =>
       Effect.gen(function* () {
-        const enterprise = inputs.deploymentType === "enterprise"
-        if (enterprise && !inputs.enterpriseUrl) return yield* Effect.fail(new Error("Enterprise URL is required"))
-        const domain = enterprise ? normalizeDomain(inputs.enterpriseUrl ?? "") : "github.com"
+        const enterprise = answer.deploymentType === "enterprise"
+        const enterpriseUrl = typeof answer.enterpriseUrl === "string" ? answer.enterpriseUrl : undefined
+        if (enterprise && !enterpriseUrl) return yield* Effect.fail(new Error("Enterprise URL is required"))
+        const domain = enterprise ? normalizeDomain(enterpriseUrl ?? "") : "github.com"
         const urls = oauthURLs(domain)
         const device = yield* request(urls.device, {
           method: "POST",
@@ -188,11 +193,28 @@ export const GithubCopilotPlugin = define({
     })
 
     yield* ctx.integration.transform((draft) => {
+      draft.method.remove("github-copilot", { type: "key" })
       draft.method.update(oauth(ctx.app))
     })
     yield* ctx.catalog.transform((evt) => {
       const item = evt.provider.get(Provider.ID.githubCopilot)
       if (!item) return
+      evt.provider.update(item.provider.id, (provider) => {
+        if (Provider.packageName(provider.package) === "@ai-sdk/openai-compatible") {
+          provider.package = Provider.aisdk(CopilotModels.Package.OpenAI)
+        }
+      })
+      for (const model of item.models.values()) {
+        evt.model.update(item.provider.id, model.id, (draft) => {
+          const packageName = Provider.packageName(draft.package)
+          if (packageName === "@ai-sdk/openai-compatible") {
+            draft.package = Provider.aisdk(CopilotModels.Package.OpenAI)
+          }
+          if (packageName === "@ai-sdk/anthropic") {
+            draft.package = Provider.aisdk(CopilotModels.Package.Anthropic)
+          }
+        })
+      }
       if (loaded.models) {
         for (const id of item.models.keys()) {
           if (!loaded.models.has(Model.ID.make(id))) evt.model.remove(item.provider.id, id)
@@ -226,14 +248,14 @@ export const GithubCopilotPlugin = define({
       "sdk",
       Effect.fn(function* (evt) {
         if (evt.model.providerID !== Provider.ID.githubCopilot) return
-        if (evt.package !== "@ai-sdk/github-copilot" && evt.package !== "@ai-sdk/anthropic") return
+        if (evt.package !== CopilotModels.Package.OpenAI && evt.package !== CopilotModels.Package.Anthropic) return
+        const anthropic = evt.package === CopilotModels.Package.Anthropic
         evt.options.fetch = copilotFetch(
           typeof evt.options.apiKey === "string" ? evt.options.apiKey : undefined,
           evt.options.fetch,
-          evt.package === "@ai-sdk/anthropic",
-          ctx.app,
+          anthropic,
         )
-        if (evt.package === "@ai-sdk/anthropic") {
+        if (anthropic) {
           evt.options.headers = {
             ...evt.options.headers,
             "anthropic-beta": "interleaved-thinking-2025-05-14",
@@ -312,12 +334,7 @@ function request(url: string, init: RequestInit) {
 
 type Fetch = (input: Parameters<typeof fetch>[0], init?: RequestInit) => Promise<Response>
 
-export function copilotFetch(
-  token: string | undefined,
-  upstream: Fetch | undefined,
-  anthropic: boolean,
-  app: App.Info,
-): Fetch {
+export function copilotFetch(token: string | undefined, upstream: Fetch | undefined, anthropic: boolean): Fetch {
   const send = upstream ?? fetch
   return async (input, init) => {
     const requestHeaders = new Headers(init?.headers)
@@ -326,7 +343,10 @@ export function copilotFetch(
       requestHeaders.delete("x-api-key")
       requestHeaders.set("Authorization", `Bearer ${token}`)
     }
-    requestHeaders.set("User-Agent", App.useragent(app))
+    requestHeaders.set("User-Agent", `GitHubCopilotChat/${copilotVersion}`)
+    requestHeaders.set("Editor-Version", editorVersion)
+    requestHeaders.set("Editor-Plugin-Version", `copilot-chat/${copilotVersion}`)
+    requestHeaders.set("Copilot-Integration-Id", "vscode-chat")
     requestHeaders.set("Openai-Intent", "conversation-edits")
     requestHeaders.set("X-GitHub-Api-Version", apiVersion)
     if (anthropic) requestHeaders.set("anthropic-beta", "interleaved-thinking-2025-05-14")

packages/core/src/plugin/provider/opencode.ts

@@ -43,9 +43,9 @@ function oauth(http: HttpClient.HttpClient) {
       type: "oauth",
       label: "OpenCode Console account",
     },
-    authorize: (inputs) =>
+    authorize: (answer) =>
       Effect.gen(function* () {
-        const server = yield* normalizeServer(inputs.server ?? defaultServer)
+        const server = yield* normalizeServer(answer.server ?? defaultServer)
         const device = yield* post(http, `${server}/auth/device/code`, { client_id: clientID }, Device)
         const verification = URL.canParse(device.verification_uri_complete)
           ? new URL(device.verification_uri_complete)
@@ -226,9 +226,10 @@ function withoutCredentials(body: Readonly<Record<string, unknown>> | undefined)
   return Object.fromEntries(Object.entries(body ?? {}).filter(([key]) => key !== "apiKey" && key !== "headers"))
 }
 
-function normalizeServer(input: string) {
+function normalizeServer(input: unknown) {
   return Effect.try({
     try: () => {
+      if (typeof input !== "string") throw new Error("expected string")
       const url = new URL(input)
       if (url.protocol !== "http:" && url.protocol !== "https:") throw new Error("expected HTTP(S)")
       return `${url.origin}${url.pathname.replace(/\/+$/, "")}`

packages/core/src/plugin/supervisor.ts

@@ -233,7 +233,7 @@ const layer = Layer.effect(
     const bus = yield* Bus.Service
     const watcher = yield* Watcher.Service
     const fs = yield* FSUtil.Service
-    const ready = yield* Deferred.make<void>()
+    const ready = { current: yield* Deferred.make<void>() }
     let observed = 0
 
     // Configured local plugin files can live outside config roots, where the
@@ -291,7 +291,13 @@ const layer = Layer.effect(
       bus.subscribe([Event.Updated, SdkPlugins.Updated]),
     ).pipe(
       // Make accepted work visible to flush before coalescing the burst.
-      Stream.mapEffect(() => Effect.sync(() => ++observed)),
+      Stream.mapEffect(() =>
+        Effect.gen(function* () {
+          observed++
+          if (yield* Deferred.isDone(ready.current)) ready.current = yield* Deferred.make<void>()
+          return observed
+        }),
+      ),
     )
     yield* Stream.concat(Stream.succeed(0), updates).pipe(
       // Keep observing updates while activation runs, retaining only the latest generation request.
@@ -300,12 +306,12 @@ const layer = Layer.effect(
       Stream.runForEach((target) =>
         Effect.gen(function* () {
           yield* activate()
-          if (observed === target) yield* Deferred.succeed(ready, undefined)
+          if (observed === target) yield* Deferred.succeed(ready.current, undefined)
         }).pipe(Effect.catchCause((cause) => Effect.logError("failed to reload plugins", { cause }))),
       ),
       Effect.forkScoped({ startImmediately: true }),
     )
-    return Service.of({ flush: Deferred.await(ready) })
+    return Service.of({ flush: Effect.suspend(() => Deferred.await(ready.current)) })
   }),
 )
 

packages/core/src/session.ts

@@ -218,10 +218,11 @@ export interface Interface {
     text: string
     files?: PromptInput.Prompt["files"]
     agents?: PromptInput.Prompt["agents"]
+    skills?: PromptInput.Prompt["skills"]
     metadata?: Record<string, unknown>
     delivery?: SessionPending.Delivery
     resume?: boolean
-  }) => Effect.Effect<SessionPending.User, NotFoundError | PromptConflictError | AttachmentError>
+  }) => Effect.Effect<SessionPending.User, NotFoundError | PromptConflictError | AttachmentError | SkillNotFoundError>
   /** Generates text from current Session context without admitting input or mutating history. */
   readonly generate: (input: {
     sessionID: SessionSchema.ID
@@ -236,11 +237,17 @@ export interface Interface {
     model?: Model.Ref
     files?: PromptInput.Prompt["files"]
     agents?: PromptInput.Prompt["agents"]
+    skills?: PromptInput.Prompt["skills"]
     delivery?: SessionPending.Delivery
     resume?: boolean
   }) => Effect.Effect<
     SessionPending.User,
-    NotFoundError | PromptConflictError | AttachmentError | Command.NotFoundError | Command.EvaluationError
+    | NotFoundError
+    | PromptConflictError
+    | AttachmentError
+    | SkillNotFoundError
+    | Command.NotFoundError
+    | Command.EvaluationError
   >
   readonly shell: (input: {
     id?: Event.ID
@@ -565,9 +572,11 @@ const layer = Layer.effect(
             // Resolved lazily so prompt admission only boots location services when an
             // image attachment actually needs the resizer.
             const image = Image.Service.pipe(Effect.provide(locations.get(session.location)))
+            const skills = Skill.Service.pipe(Effect.provide(locations.get(session.location)))
             const prompt = yield* resolvePrompt(
-              { text: input.text, files: input.files, agents: input.agents },
+              { text: input.text, files: input.files, agents: input.agents, skills: input.skills },
               image,
+              skills,
             ).pipe(Effect.provideService(FSUtil.Service, fs))
             const messageID = input.id ?? SessionMessage.ID.create()
             const admittedInput = SessionPending.Message.make({
@@ -633,6 +642,7 @@ const layer = Layer.effect(
           text: evaluated.text,
           files: input.files,
           agents: input.agents,
+          skills: input.skills,
           delivery: input.delivery,
           resume: input.resume,
         })
@@ -895,12 +905,28 @@ function synthesizeTerminalShellInfo(started: ShellSchema.Info): ShellSchema.Inf
 const resolvePrompt = Effect.fn("Session.resolvePrompt")(function* (
   input: PromptInput.Prompt,
   image: Effect.Effect<Image.Interface>,
+  skills: Effect.Effect<Skill.Interface>,
 ) {
   const fs = yield* FSUtil.Service
   const files = input.files
     ? yield* Effect.forEach(input.files, (file) => materializeAttachment(fs, file, image), { concurrency: 8 })
     : undefined
-  return Prompt.make({ text: input.text, agents: input.agents, files })
+  const requested = input.skills
+  const selected = yield* Effect.gen(function* () {
+    if (!requested?.length) return undefined
+    const available = yield* (yield* skills).list()
+    return yield* Effect.forEach(requested, (attachment) => {
+      const skill = available.find((item) => item.id === attachment.id)
+      if (!skill) return Effect.fail(new SkillNotFoundError({ skill: attachment.id }))
+      return Effect.succeed({
+        id: skill.id,
+        name: skill.name,
+        text: Skill.toModelOutput(skill, []),
+        mention: attachment.mention,
+      })
+    })
+  })
+  return Prompt.make({ text: input.text, agents: input.agents, files, skills: selected?.length ? selected : undefined })
 })
 
 const MAX_ATTACHMENT_BYTES = 20 * 1024 * 1024

packages/core/src/session/compaction.ts

@@ -124,7 +124,8 @@ const serialize = (message: SessionMessage.Info) => {
         (file) =>
           `[Attached ${file.mime}: ${file.name ?? (file.source.type === "uri" ? file.source.uri : "inline attachment")}]`,
       ) ?? []
-    return [`[User]: ${message.text}`, ...files].join("\n")
+    const skills = message.skills?.map((skill) => `[Attached skill: ${skill.name}]\n${skill.text}`) ?? []
+    return [`[User]: ${message.text}`, ...skills, ...files].join("\n")
   }
   if (message.type === "assistant") {
     return message.content

packages/core/src/session/projector.ts

@@ -16,7 +16,6 @@ import { SessionPendingTable, SessionMessageTable, SessionTable } from "./sql"
 import { Slug } from "../util/slug"
 import { Money } from "@opencode-ai/schema/money"
 import type { SessionSchema } from "./schema"
-import { WorkspaceTable } from "../control-plane/workspace.sql"
 
 type DatabaseService = Database.Interface["db"]
 type CurrentDurableEvent = Extract<SessionEvent.Event, { readonly durable: object }>
@@ -376,13 +375,6 @@ const layer = Layer.effectDiscard(
           .get()
           .pipe(Effect.orDie)
         if (!stored) return yield* Effect.die(new SessionAlreadyProjected())
-        if (!event.data.location.workspaceID) return
-        yield* db
-          .update(WorkspaceTable)
-          .set({ time_used: Date.now() })
-          .where(eq(WorkspaceTable.id, event.data.location.workspaceID))
-          .run()
-          .pipe(Effect.orDie)
       }),
     )
     yield* bus.project(SessionEvent.Moved, (event) =>
@@ -453,6 +445,7 @@ const layer = Layer.effectDiscard(
                 text: input.data.text,
                 files: input.data.files,
                 agents: input.data.agents,
+                skills: input.data.skills,
                 time: { created: event.created },
               }
             : {

packages/core/src/session/runner/to-llm-message.ts

@@ -184,6 +184,7 @@ function toLLMMessage(message: SessionMessage.Info, model: Model.Ref, providerMe
       return []
     case "user":
       const content = [
+        ...(message.skills ?? []).map((skill) => Message.text(skill.text)),
         ...(message.text === "" ? [] : [Message.text(message.text)]),
         ...(message.files ?? []).flatMap(attachmentContent),
       ]

packages/core/src/session/transfer.ts

@@ -2,6 +2,7 @@ export * as SessionTransfer from "./transfer"
 
 import { SessionTransfer } from "@opencode-ai/schema/session-transfer"
 import { Tool } from "@opencode-ai/schema/tool"
+import { Skill } from "@opencode-ai/schema/skill"
 import { eq, isNotNull, isNull, ne, or } from "drizzle-orm"
 import { Context, DateTime, Effect, Layer, Schema } from "effect"
 import path from "path"
@@ -218,6 +219,14 @@ function sanitizeMessage(message: SessionMessage.Info): SessionMessage.Info {
           ? { ...agent.mention, text: redact("agent-mention", String(index), agent.mention.text) }
           : undefined,
       })),
+      skills: message.skills?.map((skill, index) => ({
+        ...skill,
+        name: Skill.Name.make(redact("skill-name", String(index), skill.name)),
+        text: redact("skill", String(index), skill.text),
+        mention: skill.mention
+          ? { ...skill.mention, text: redact("skill-mention", String(index), skill.mention.text) }
+          : undefined,
+      })),
     }
   if (message.type === "synthetic")
     return {

packages/core/src/skill.ts

@@ -38,6 +38,25 @@ export { Event } from "@opencode-ai/schema/skill"
 export const available = (skills: ReadonlyArray<Info>, agent: Agent.Info) =>
   skills.filter((skill) => Permission.evaluate("skill", skill.id, agent.permissions).effect !== "deny")
 
+export const toModelOutput = (skill: Info, files: ReadonlyArray<string>) => {
+  const directory = path.dirname(skill.location)
+  return [
+    `<skill_content name="${skill.name}">`,
+    `# Skill: ${skill.name}`,
+    "",
+    skill.content.trim(),
+    "",
+    `Base directory for this skill: ${directory}`,
+    "Relative paths in this skill (e.g., scripts/, reference/) are relative to this base directory.",
+    "Note: file list is sampled.",
+    "",
+    "<skill_files>",
+    ...files.map((file) => `<file>${file}</file>`),
+    "</skill_files>",
+    "</skill_content>",
+  ].join("\n")
+}
+
 const Frontmatter = Schema.Struct({
   name: Schema.String.pipe(Schema.optional),
   description: Schema.String.pipe(Schema.optional),

packages/core/src/tool/plugin/skill.ts

@@ -26,24 +26,7 @@ export const description = [
   "The skill ID must match one of the available skills in the instructions.",
 ].join("\n")
 
-export const toModelOutput = (skill: Skill.Info, files: ReadonlyArray<string>) => {
-  const directory = path.dirname(skill.location)
-  return [
-    `<skill_content name="${skill.name}">`,
-    `# Skill: ${skill.name}`,
-    "",
-    skill.content.trim(),
-    "",
-    `Base directory for this skill: ${directory}`,
-    "Relative paths in this skill (e.g., scripts/, reference/) are relative to this base directory.",
-    "Note: file list is sampled.",
-    "",
-    "<skill_files>",
-    ...files.map((file) => `<file>${file}</file>`),
-    "</skill_files>",
-    "</skill_content>",
-  ].join("\n")
-}
+export const toModelOutput = Skill.toModelOutput
 
 const unableToLoad = (name: string, error?: unknown) =>
   new ToolFailure({ message: `Unable to load skill ${name}`, error })
@@ -87,7 +70,7 @@ export const Plugin = {
                 return {
                   name: skill.name,
                   directory,
-                  output: toModelOutput(skill, files),
+                  output: Skill.toModelOutput(skill, files),
                 }
               }).pipe(Effect.mapError((error) => unableToLoad(input.id, error)))
             }).pipe(

packages/core/src/workspace.ts

@@ -1,6 +1,219 @@
 export * as Workspace from "./workspace"
 
 import { Workspace } from "@opencode-ai/schema/workspace"
+import { makeGlobalNode } from "@opencode-ai/util/effect/app-node"
+import { eq } from "drizzle-orm"
+import { Clock, Context, Duration, Effect, Exit, Layer, Ref, Schedule, Schema, Scope } from "effect"
+import { systemError } from "effect/PlatformError"
+import { make } from "effect/unstable/process/ChildProcessSpawner"
+import type { Driver as EnvironmentDriver } from "./environment/driver"
+import { Database } from "./database/database"
+import { KeyedMutex } from "./effect/keyed-mutex"
+import { WorkspaceDriver } from "./workspace/driver"
+import { WorkspaceTable } from "./workspace/sql"
 
 export const ID = Workspace.ID
-export type ID = typeof ID.Type
+export type ID = Workspace.ID
+
+export class Info extends Schema.Class<Info>("Workspace.Info")({
+  id: ID,
+  provider: Schema.String,
+  binding: WorkspaceDriver.Binding,
+  createdAt: Schema.Number,
+  lastUsedAt: Schema.Number,
+}) {}
+
+export class NotFound extends Schema.TaggedErrorClass<NotFound>()("Workspace.NotFound", { workspaceID: ID }) {}
+
+export interface Interface {
+  readonly create: (provider: string) => Effect.Effect<Info, WorkspaceDriver.Error | WorkspaceDriver.ProviderNotFound>
+  readonly connect: (
+    workspaceID: ID,
+  ) => Effect.Effect<EnvironmentDriver, NotFound | WorkspaceDriver.Error | WorkspaceDriver.ProviderNotFound>
+  readonly destroy: (
+    workspaceID: ID,
+  ) => Effect.Effect<void, NotFound | WorkspaceDriver.Error | WorkspaceDriver.ProviderNotFound>
+}
+
+export interface Options {
+  readonly idleThreshold?: Duration.Input
+  readonly pollInterval?: Duration.Input
+}
+
+export class Service extends Context.Service<Service, Interface>()("@opencode/Workspace") {}
+
+interface Connection {
+  readonly driver: WorkspaceDriver.Interface
+  readonly environment: EnvironmentDriver
+  readonly saveBinding: (binding: WorkspaceDriver.Binding) => Effect.Effect<void>
+  readonly lastActivity: Ref.Ref<number>
+  readonly active: Ref.Ref<number>
+  readonly scope: Scope.Closeable
+}
+
+export const configured = (options: Options = {}) =>
+  makeGlobalNode({
+    service: Service,
+    layer: layer(options),
+    deps: [Database.node, WorkspaceDriver.node],
+  })
+
+const layer = (options: Options) =>
+  Layer.effect(
+    Service,
+    Effect.gen(function* () {
+      const db = (yield* Database.Service).db
+      const registry = yield* WorkspaceDriver.RegistryService
+      const lifetime = yield* Scope.Scope
+      const connections = new Map<ID, Connection>()
+      const locks = KeyedMutex.makeUnsafe<ID>()
+      const idleThreshold = Duration.toMillis(options.idleThreshold ?? Duration.minutes(20))
+
+      const load = Effect.fn("Workspace.load")(function* (workspaceID: ID) {
+        const row = yield* db
+          .select()
+          .from(WorkspaceTable)
+          .where(eq(WorkspaceTable.id, workspaceID))
+          .get()
+          .pipe(Effect.orDie)
+        if (!row) return yield* new NotFound({ workspaceID })
+        return row
+      })
+
+      const open = Effect.fn("Workspace.open")(function* (workspaceID: ID) {
+        const existing = connections.get(workspaceID)
+        if (existing) return existing
+
+        const row = yield* load(workspaceID)
+        const driver = yield* registry.get(row.provider)
+        const saveBinding = (value: WorkspaceDriver.Binding) =>
+          db
+            .update(WorkspaceTable)
+            .set({ binding: value })
+            .where(eq(WorkspaceTable.id, workspaceID))
+            .run()
+            .pipe(Effect.orDie)
+        const scope = yield* Scope.fork(lifetime)
+        const environment = yield* driver.connect({ workspaceID, binding: row.binding, saveBinding }).pipe(
+          Effect.provideService(Scope.Scope, scope),
+          Effect.onError((cause) => Scope.close(scope, Exit.failCause(cause))),
+        )
+        const now = yield* Clock.currentTimeMillis
+        const connection: Connection = {
+          driver,
+          environment,
+          saveBinding,
+          lastActivity: yield* Ref.make(now),
+          active: yield* Ref.make(0),
+          scope,
+        }
+        connections.set(workspaceID, connection)
+        yield* db
+          .update(WorkspaceTable)
+          .set({ last_used_at: now })
+          .where(eq(WorkspaceTable.id, workspaceID))
+          .run()
+          .pipe(Effect.orDie)
+        return connection
+      })
+
+      yield* Effect.gen(function* () {
+        const now = yield* Clock.currentTimeMillis
+        yield* Effect.forEach(
+          [...connections.entries()],
+          ([workspaceID, expected]) =>
+            locks.withLock(workspaceID)(
+              Effect.gen(function* () {
+                const connection = connections.get(workspaceID)
+                if (connection !== expected || (yield* Ref.get(connection.active)) > 0) return
+                const lastActivity = yield* Ref.get(connection.lastActivity)
+                if (now - lastActivity < idleThreshold) return
+                const row = yield* load(workspaceID)
+                // Deliberate: a racing spawn blocks, then wakes cleanly. Unlocking mid-suspend could reattach a sandbox being terminated.
+                yield* connection.driver.suspendForIdle({
+                  workspaceID,
+                  binding: row.binding,
+                  saveBinding: connection.saveBinding,
+                })
+                yield* db
+                  .update(WorkspaceTable)
+                  .set({ last_used_at: lastActivity })
+                  .where(eq(WorkspaceTable.id, workspaceID))
+                  .run()
+                  .pipe(Effect.orDie)
+                connections.delete(workspaceID)
+                yield* Scope.close(connection.scope, Exit.void)
+              }).pipe(Effect.catchCause((cause) => Effect.logError("workspace idle suspension failed", cause))),
+            ),
+          { concurrency: "unbounded", discard: true },
+        )
+      }).pipe(Effect.repeat(Schedule.spaced(options.pollInterval ?? Duration.minutes(1))), Effect.forkScoped)
+
+      return Service.of({
+        create: Effect.fn("Workspace.create")(function* (provider) {
+          const driver = yield* registry.get(provider)
+          const workspaceID = ID.create()
+          const result = yield* driver.create({ workspaceID })
+          const now = yield* Clock.currentTimeMillis
+          yield* db
+            .insert(WorkspaceTable)
+            .values({ id: workspaceID, provider, binding: result.binding, created_at: now, last_used_at: now })
+            .run()
+            .pipe(Effect.orDie)
+          return new Info({ id: workspaceID, provider, binding: result.binding, createdAt: now, lastUsedAt: now })
+        }),
+        connect: Effect.fn("Workspace.connect")(function* (workspaceID) {
+          const spawner = make((command) =>
+            Effect.acquireRelease(
+              locks.withLock(workspaceID)(
+                Effect.gen(function* () {
+                  const connection = yield* open(workspaceID).pipe(
+                    Effect.mapError((cause) =>
+                      systemError({
+                        _tag: "Unknown",
+                        module: "Workspace",
+                        method: "spawn",
+                        description: `Failed to wake workspace ${workspaceID}`,
+                        cause,
+                      }),
+                    ),
+                  )
+                  yield* Ref.set(connection.lastActivity, yield* Clock.currentTimeMillis)
+                  yield* Ref.update(connection.active, (active) => active + 1)
+                  return connection
+                }),
+              ),
+              (connection) =>
+                locks.withLock(workspaceID)(
+                  Effect.gen(function* () {
+                    yield* Ref.update(connection.active, (active) => active - 1)
+                    yield* Ref.set(connection.lastActivity, yield* Clock.currentTimeMillis)
+                  }),
+                ),
+            ).pipe(Effect.flatMap((connection) => connection.environment.spawner.spawn(command))),
+          )
+          // Overrides are connection-bound; per-spawn routing is required before any driver ships them, so they are deliberately omitted.
+          return { spawner }
+        }),
+        destroy: Effect.fn("Workspace.destroy")(function* (workspaceID) {
+          yield* locks.withLock(workspaceID)(
+            Effect.gen(function* () {
+              const row = yield* load(workspaceID)
+              const connection = connections.get(workspaceID)
+              connections.delete(workspaceID)
+              if (connection) yield* Scope.close(connection.scope, Exit.void)
+              const driver = yield* registry.get(row.provider)
+              yield* driver.destroy({ workspaceID, binding: row.binding })
+              yield* db.delete(WorkspaceTable).where(eq(WorkspaceTable.id, workspaceID)).run().pipe(Effect.orDie)
+            }),
+          )
+        }),
+      })
+    }),
+  )
+
+export const node = configured()
+
+// TODO(workspace-plan): add the boot janitor and ~23h safety snapshot rotation in a later PR.
+// TODO(workspace-plan): make cold wake interruptible with a re-pin loop against janitor races.
+// TODO(workspace-plan): consider RcMap at end-of-series consolidation; idle suspend and destroy need distinct finalizers.

packages/core/src/workspace/driver.ts

@@ -0,0 +1,70 @@
+export * as WorkspaceDriver from "./driver"
+
+import { Workspace } from "@opencode-ai/schema/workspace"
+import { makeGlobalNode } from "@opencode-ai/util/effect/app-node"
+import { Context, Effect, Layer, Schema } from "effect"
+import type { Scope } from "effect"
+import type { Driver as EnvironmentDriver } from "../environment/driver"
+
+/**
+ * Smallest provider-owned JSON value required to reconnect to the same
+ * provider resource. Core stores it opaquely and hands it back; only the
+ * owning driver reads inside.
+ */
+export const Binding = Schema.Record(Schema.String, Schema.Json)
+export type Binding = typeof Binding.Type
+
+export class Error extends Schema.TaggedErrorClass<Error>()("WorkspaceDriver.Error", {
+  message: Schema.optional(Schema.String),
+  cause: Schema.optional(Schema.Defect()),
+}) {}
+
+export class ProviderNotFound extends Schema.TaggedErrorClass<ProviderNotFound>()("WorkspaceDriver.ProviderNotFound", {
+  provider: Schema.String,
+}) {}
+
+export interface Interface {
+  readonly create: (input: {
+    readonly workspaceID: Workspace.ID
+  }) => Effect.Effect<{ readonly binding: Binding }, Error>
+  readonly connect: (input: {
+    readonly workspaceID: Workspace.ID
+    readonly binding: Binding
+    readonly saveBinding: (binding: Binding) => Effect.Effect<void>
+  }) => Effect.Effect<EnvironmentDriver, Error, Scope.Scope>
+  readonly suspendForIdle: (input: {
+    readonly workspaceID: Workspace.ID
+    readonly binding: Binding
+    readonly saveBinding: (binding: Binding) => Effect.Effect<void>
+  }) => Effect.Effect<void, Error>
+  readonly destroy: (input: {
+    readonly workspaceID: Workspace.ID
+    readonly binding: Binding
+  }) => Effect.Effect<void, Error>
+}
+
+export const make = (driver: Interface) => driver
+
+export interface Registry {
+  readonly get: (provider: string) => Effect.Effect<Interface, ProviderNotFound>
+}
+
+export class RegistryService extends Context.Service<RegistryService, Registry>()(
+  "@opencode/WorkspaceDriverRegistry",
+) {}
+
+export const registry = (drivers: Readonly<Record<string, Interface>>): Registry => ({
+  get: (provider) => {
+    const driver = drivers[provider]
+    return driver ? Effect.succeed(driver) : Effect.fail(new ProviderNotFound({ provider }))
+  },
+})
+
+export const registryNode = (drivers: Readonly<Record<string, Interface>>) =>
+  makeGlobalNode({
+    service: RegistryService,
+    layer: Layer.succeed(RegistryService, RegistryService.of(registry(drivers))),
+    deps: [],
+  })
+
+export const node = registryNode({})

packages/core/src/workspace/sql.ts

@@ -0,0 +1,11 @@
+import { Workspace } from "@opencode-ai/schema/workspace"
+import { integer, sqliteTable, text } from "drizzle-orm/sqlite-core"
+import type { WorkspaceDriver } from "./driver"
+
+export const WorkspaceTable = sqliteTable("workspace", {
+  id: text().$type<Workspace.ID>().primaryKey(),
+  provider: text().notNull(),
+  binding: text({ mode: "json" }).$type<WorkspaceDriver.Binding>().notNull(),
+  created_at: integer().notNull(),
+  last_used_at: integer().notNull(),
+})

packages/core/test/file-mutation.test.ts

@@ -9,11 +9,12 @@ import { Environment } from "@opencode-ai/core/environment"
 import { Location } from "@opencode-ai/core/location"
 import { LocationMutation } from "@opencode-ai/core/location-mutation"
 import { AbsolutePath } from "@opencode-ai/core/schema"
+import { type EnvironmentFilesTransform, transformEnvironmentFiles } from "./fixture/environment"
 import { location } from "./fixture/location"
 import { tmpdir } from "./fixture/tmpdir"
 import { it } from "./lib/effect"
 
-function provide(directory: string, environmentLayer = LayerNode.compile(Environment.node)) {
+function provide(directory: string, transformFiles: EnvironmentFilesTransform = () => ({})) {
   const activeLocation = Layer.succeed(
     Location.Service,
     Location.Service.of(location({ directory: AbsolutePath.make(directory) })),
@@ -21,7 +22,7 @@ function provide(directory: string, environmentLayer = LayerNode.compile(Environ
   return Effect.provide(
     AppNodeBuilder.build(LayerNode.group([LocationMutation.node, FileMutation.node]), [
       [Location.node, activeLocation],
-      [Environment.node, environmentLayer],
+      [Environment.node, transformEnvironmentFiles(activeLocation, transformFiles)],
     ]),
   )
 }
@@ -240,18 +241,8 @@ describe("FileMutation", () => {
   )
 })
 
-function instrumentWrites(run: <E>(write: Effect.Effect<void, E>, target: string) => Effect.Effect<void, E>) {
-  return Layer.effect(
-    Environment.Service,
-    Effect.gen(function* () {
-      const environment = yield* Environment.Service
-      return Environment.Service.of({
-        ...environment,
-        files: {
-          ...environment.files,
-          write: (target, content) => run(environment.files.write(target, content), target),
-        },
-      })
-    }),
-  ).pipe(Layer.provide(LayerNode.compile(Environment.node)))
+function instrumentWrites(
+  run: <E>(write: Effect.Effect<void, E>, target: string) => Effect.Effect<void, E>,
+): EnvironmentFilesTransform {
+  return (files) => ({ write: (target, content) => run(files.write(target, content), target) })
 }

packages/core/test/fixture/environment.ts

@@ -0,0 +1,22 @@
+import { AppNodeBuilder } from "@opencode-ai/core/effect/app-node-builder"
+import { Environment } from "@opencode-ai/core/environment"
+import { Location } from "@opencode-ai/core/location"
+import { Effect, Layer } from "effect"
+
+export type EnvironmentFilesTransform = (files: Environment.Files) => Partial<Environment.Files>
+
+export function transformEnvironmentFiles(
+  location: Layer.Layer<Location.Service>,
+  transform: EnvironmentFilesTransform = () => ({}),
+) {
+  return Layer.effect(
+    Environment.Service,
+    Effect.gen(function* () {
+      const current = yield* Environment.Service
+      return Environment.Service.of({
+        ...current,
+        files: { ...current.files, ...transform(current.files) },
+      })
+    }),
+  ).pipe(Layer.provide(AppNodeBuilder.build(Environment.node, [[Location.node, location]])))
+}

packages/core/test/github-copilot/models.test.ts

@@ -42,6 +42,18 @@ test("defensively syncs advertised Copilot models", async () => {
               supports: { tool_calls: false },
             },
           },
+          {
+            model_picker_enabled: true,
+            id: "claude-sonnet",
+            name: "Claude Sonnet",
+            version: "claude-sonnet-2026-06-01",
+            supported_endpoints: ["/v1/messages"],
+            capabilities: {
+              family: "claude",
+              limits: { max_output_tokens: 16000, max_prompt_tokens: 180000 },
+              supports: { tool_calls: true },
+            },
+          },
           { model_picker_enabled: true, id: "incomplete" },
         ],
       }),
@@ -68,6 +80,7 @@ test("defensively syncs advertised Copilot models", async () => {
       Model.VariantID.make("high"),
     ])
     expect(models.get(Model.ID.make("utility"))?.enabled).toBe(false)
+    expect(models.get(Model.ID.make("claude-sonnet"))?.package).toBe(Provider.aisdk(CopilotModels.Package.Anthropic))
     expect(models.has(Model.ID.make("stale"))).toBe(false)
     expect(models.has(Model.ID.make("incomplete"))).toBe(false)
   } finally {

packages/core/test/integration.test.ts

@@ -140,7 +140,11 @@ describe("Integration", () => {
       yield* integrations.transform((editor) =>
         editor.method.update({
           integrationID,
-          method: { type: "key", label: "API key" },
+          method: {
+            type: "key",
+            label: "API key",
+            form: [{ type: "string", key: "accountId", title: "Account ID", required: true }],
+          },
         }),
       )
       const updated = yield* bus
@@ -148,9 +152,17 @@ describe("Integration", () => {
         .pipe(Stream.take(1), Stream.runCollect, Effect.forkScoped)
       yield* Effect.yieldNow
 
+      expect(
+        yield* integrations.connection.key({ integrationID, key: "secret" }).pipe(
+          Effect.flip,
+          Effect.map((error) => error.cause),
+        ),
+      ).toEqual(expect.objectContaining({ message: "Missing required form field: accountId" }))
+
       yield* integrations.connection.key({
         integrationID,
         key: "secret",
+        answer: { accountId: "account" },
         label: "Work",
       })
 
@@ -158,7 +170,7 @@ describe("Integration", () => {
         expect.objectContaining({
           integrationID,
           label: "Work",
-          value: Credential.Key.make({ type: "key", key: "secret" }),
+          value: Credential.Key.make({ type: "key", key: "secret", configuration: { accountId: "account" } }),
         }),
       ])
       expect((yield* Fiber.join(updated)).length).toBe(1)
@@ -243,7 +255,6 @@ describe("Integration", () => {
       const attempt = yield* integrations.oauth.connect({
         integrationID,
         methodID,
-        inputs: {},
         label: "Personal",
       })
       expect(attempt.mode).toBe("code")
@@ -289,7 +300,7 @@ describe("Integration", () => {
         }),
       )
 
-      const attempt = yield* integrations.oauth.connect({ integrationID, methodID, inputs: {} })
+      const attempt = yield* integrations.oauth.connect({ integrationID, methodID })
       expect(
         yield* integrations.oauth.complete({ integrationID, attemptID: attempt.attemptID }).pipe(Effect.flip),
       ).toBeInstanceOf(Integration.CodeRequiredError)
@@ -327,7 +338,7 @@ describe("Integration", () => {
         }),
       )
 
-      const attempt = yield* integrations.oauth.connect({ integrationID, methodID, inputs: {} })
+      const attempt = yield* integrations.oauth.connect({ integrationID, methodID })
       yield* Effect.yieldNow
       expect(yield* integrations.oauth.status({ integrationID, attemptID: attempt.attemptID })).toEqual({
         status: "complete",
@@ -365,7 +376,7 @@ describe("Integration", () => {
         }),
       )
 
-      const attempt = yield* integrations.oauth.connect({ integrationID, methodID, inputs: {} })
+      const attempt = yield* integrations.oauth.connect({ integrationID, methodID })
       const exit = yield* integrations.oauth
         .complete({ integrationID, attemptID: attempt.attemptID, code: "1234" })
         .pipe(Effect.exit)
@@ -401,7 +412,7 @@ describe("Integration", () => {
         }),
       )
 
-      const attempt = yield* integrations.oauth.connect({ integrationID, methodID, inputs: {} })
+      const attempt = yield* integrations.oauth.connect({ integrationID, methodID })
       expect(attempt.time.expires - attempt.time.created).toBe(Duration.toMillis(Duration.minutes(10)))
       yield* TestClock.adjust(Duration.minutes(10))
       yield* Effect.yieldNow
@@ -442,7 +453,7 @@ describe("Integration", () => {
             }),
           )
 
-          const attempt = yield* integrations.oauth.connect({ integrationID, methodID, inputs: {} })
+          const attempt = yield* integrations.oauth.connect({ integrationID, methodID })
           expect(attempt.time).toEqual({ created, expires: expiresAt })
         })
       })

packages/core/test/location-layer.test.ts

@@ -305,11 +305,13 @@ describe("LocationServiceMap", () => {
           )
           yield* Deferred.await(started)
 
-          yield* PluginSupervisor.Service.use((supervisor) => supervisor.flush).pipe(
+          const flushFiber = yield* PluginSupervisor.Service.use((supervisor) => supervisor.flush).pipe(
             Effect.provide(context),
-            Effect.timeout("1 second"),
+            Effect.forkChild({ startImmediately: true }),
           )
+          expect(flushFiber.pollUnsafe()).toBeUndefined()
           yield* Deferred.succeed(release, undefined)
+          yield* Fiber.join(flushFiber)
           yield* Deferred.await(completed)
         }),
       ),

packages/core/test/model-resolver.test.ts

@@ -736,7 +736,11 @@ describe("ModelResolver", () => {
           headers: { "x-aisdk": "header" },
           body: { custom: true },
         }),
-        Credential.Key.make({ type: "key", key: "fallback-secret" }),
+        Credential.Key.make({
+          type: "key",
+          key: "fallback-secret",
+          configuration: { accountId: "account" },
+        }),
         {
           loadAISDK: (runtime) =>
             Effect.sync(() => {
@@ -745,7 +749,7 @@ describe("ModelResolver", () => {
                 modelID: "mistral-api-model",
                 providerID: "test-provider",
                 package: Provider.aisdk("@ai-sdk/mistral"),
-                settings: { project: "test", apiKey: "fallback-secret" },
+                settings: { project: "test", apiKey: "fallback-secret", accountId: "account" },
                 headers: { "x-aisdk": "header" },
                 body: { custom: true },
               })

packages/core/test/plugin/host.ts

@@ -1,5 +1,5 @@
 import { Plugin } from "@opencode-ai/plugin/effect"
-import type { IntegrationMethodRegistration } from "@opencode-ai/plugin/effect/integration"
+import type { IntegrationMethod, IntegrationMethodRegistration } from "@opencode-ai/plugin/effect/integration"
 import { Agent } from "@opencode-ai/core/agent"
 import { Catalog } from "@opencode-ai/core/catalog"
 import { Credential } from "@opencode-ai/core/credential"
@@ -15,7 +15,6 @@ import { Effect, Stream } from "effect"
 type Overrides = Partial<Omit<Plugin.Context, "options" | "session">> & {
   readonly session?: Partial<Plugin.Context["session"]>
 }
-
 export function host(overrides: Overrides = {}): Plugin.Context {
   return {
     app: overrides.app ?? { name: "test", version: "test", channel: "test" },
@@ -278,7 +277,7 @@ export function integrationHost(integration: Integration.Interface): Plugin.Cont
           update: (id, update) => draft.update(Integration.ID.make(id), update),
           remove: (id) => draft.remove(Integration.ID.make(id)),
           method: {
-            list: (id) => draft.method.list(Integration.ID.make(id)).map(method),
+            list: (id) => draft.method.list(Integration.ID.make(id)),
             update: (input) => {
               if ("authorize" in input) {
                 const methodID = Integration.MethodID.make(input.method.id)
@@ -286,8 +285,8 @@ export function integrationHost(integration: Integration.Interface): Plugin.Cont
                 draft.method.update({
                   integrationID: Integration.ID.make(input.integrationID),
                   method: { ...input.method, id: methodID },
-                  authorize: (inputs) =>
-                    input.authorize(inputs).pipe(
+                  authorize: (answer) =>
+                    input.authorize(answer).pipe(
                       Effect.map((authorization) => {
                         if (authorization.mode === "auto") {
                           return {
@@ -336,7 +335,7 @@ export function integrationHost(integration: Integration.Interface): Plugin.Cont
               if (input.method.type === "env") {
                 draft.method.update({
                   integrationID: Integration.ID.make(input.integrationID),
-                  method: { ...input.method, names: [...input.method.names] },
+                  method: input.method,
                 })
                 return
               }
@@ -346,7 +345,6 @@ export function integrationHost(integration: Integration.Interface): Plugin.Cont
                   method: {
                     ...input.method,
                     id: Integration.MethodID.make(input.method.id),
-                    command: [...input.method.command],
                   },
                 })
                 return
@@ -401,35 +399,11 @@ function oauthCredential(value: Credential.OAuth) {
   return Credential.OAuth.make({ ...value, methodID: Integration.MethodID.make(value.methodID) })
 }
 
-function method(value: Integration.Method) {
-  if (value.type === "env") return { type: value.type, names: [...value.names] }
-  if (value.type === "key") return { type: value.type, label: value.label }
-  if (value.type === "command") return { ...value, command: [...value.command] }
-  return {
-    type: value.type,
-    id: value.id,
-    label: value.label,
-    prompts: value.prompts?.map((prompt) => {
-      if (prompt.type === "text") return { ...prompt }
-      return { ...prompt, options: prompt.options.map((option) => ({ ...option })) }
-    }),
-  }
-}
-
-function internalMethod(value: IntegrationMethodRegistration["method"]): Integration.Method {
-  if (value.type === "env") return value
-  if (value.type === "key") return value
-  if (value.type === "command") {
-    return {
-      ...value,
-      id: Integration.MethodID.make(value.id),
-      command: [...value.command],
-    }
-  }
-  return {
-    ...value,
-    id: Integration.MethodID.make(value.id),
+function internalMethod(value: IntegrationMethod): Integration.Method {
+  if (value.type === "oauth" || value.type === "command") {
+    return { ...value, id: Integration.MethodID.make(value.id) }
   }
+  return value
 }
 
 function agentInfo(value: Agent.Info) {

packages/core/test/plugin/provider-azure.test.ts

@@ -8,6 +8,7 @@ import { Plugin } from "@opencode-ai/core/plugin"
 import { PluginHost } from "@opencode-ai/core/plugin/host"
 import { AzurePlugin } from "@opencode-ai/core/plugin/provider/azure"
 import { Provider } from "@opencode-ai/core/provider"
+import { Integration } from "@opencode-ai/core/integration"
 import { testEffect } from "../lib/effect"
 import { PluginTestLayer } from "./fixture"
 
@@ -60,6 +61,27 @@ function fakeSelectorSdk(calls: string[]) {
 }
 
 describe("AzurePlugin", () => {
+  it.effect("registers a resource name form when the environment does not provide one", () =>
+    withEnv({ AZURE_RESOURCE_NAME: undefined, AZURE_COGNITIVE_SERVICES_RESOURCE_NAME: undefined }, () =>
+      Effect.gen(function* () {
+        yield* addPlugin()
+        expect((yield* (yield* Integration.Service).get(Integration.ID.make("azure")))?.methods).toContainEqual({
+          type: "key",
+          label: "API key",
+          form: [
+            {
+              type: "string",
+              key: "resourceName",
+              title: "Enter Azure Resource Name",
+              placeholder: "e.g. my-models",
+              required: true,
+            },
+          ],
+        })
+      }),
+    ),
+  )
+
   it.effect("resolves resourceName from env", () =>
     withEnv({ AZURE_RESOURCE_NAME: "from-env" }, () =>
       Effect.gen(function* () {
@@ -195,7 +217,17 @@ describe("AzurePlugin", () => {
       Effect.gen(function* () {
         const plugin = yield* Plugin.Service
         const aisdk = yield* AISDK.Service
+        const catalog = yield* Catalog.Service
+        yield* catalog.transform((catalog) =>
+          catalog.provider.update(Provider.ID.azure, (provider) => {
+            provider.settings = { ...provider.settings, baseURL: "https://proxy.example.com/openai" }
+          }),
+        )
         yield* addPlugin()
+        expect((yield* (yield* Integration.Service).get(Integration.ID.make("azure")))?.methods).toContainEqual({
+          type: "key",
+          label: "API key",
+        })
         const result = yield* aisdk.runSDK({
           model: Model.Info.make({
             ...Model.Info.default(Provider.ID.azure, Model.ID.make("deployment")),

packages/core/test/plugin/provider-cloudflare-ai-gateway.test.ts

@@ -1,11 +1,13 @@
 import { AISDK } from "@opencode-ai/core/aisdk"
 import { describe, expect, mock } from "bun:test"
 import { Effect } from "effect"
+import { Catalog } from "@opencode-ai/core/catalog"
 import { Model } from "@opencode-ai/core/model"
 import { Plugin } from "@opencode-ai/core/plugin"
 import { PluginHost } from "@opencode-ai/core/plugin/host"
 import { CloudflareAIGatewayPlugin } from "@opencode-ai/core/plugin/provider/cloudflare-ai-gateway"
 import { Provider } from "@opencode-ai/core/provider"
+import { Integration } from "@opencode-ai/core/integration"
 import { testEffect } from "../lib/effect"
 import { PluginTestLayer } from "./fixture"
 
@@ -102,6 +104,24 @@ mock.module("ai-gateway-provider/providers/unified", () => ({
 }))
 
 describe("CloudflareAIGatewayPlugin", () => {
+  it.effect("registers account and gateway forms when the environment does not provide them", () =>
+    withEnv({ CLOUDFLARE_ACCOUNT_ID: undefined, CLOUDFLARE_GATEWAY_ID: undefined }, () =>
+      Effect.gen(function* () {
+        yield* addPlugin()
+        expect(
+          (yield* (yield* Integration.Service).get(Integration.ID.make("cloudflare-ai-gateway")))?.methods,
+        ).toContainEqual({
+          type: "key",
+          label: "Gateway API token",
+          form: [
+            expect.objectContaining({ type: "string", key: "accountId", required: true }),
+            expect.objectContaining({ type: "string", key: "gatewayId", required: true }),
+          ],
+        })
+      }),
+    ),
+  )
+
   it.effect("requires account, gateway, and token before creating the unified SDK", () =>
     withEnv(
       {
@@ -357,7 +377,16 @@ describe("CloudflareAIGatewayPlugin", () => {
           resetCalls()
           const plugin = yield* Plugin.Service
           const aisdk = yield* AISDK.Service
+          const catalog = yield* Catalog.Service
+          yield* catalog.transform((catalog) =>
+            catalog.provider.update(Provider.ID.make("cloudflare-ai-gateway"), (provider) => {
+              provider.settings = { ...provider.settings, baseURL: "https://proxy.example/v1" }
+            }),
+          )
           yield* addPlugin()
+          expect(
+            (yield* (yield* Integration.Service).get(Integration.ID.make("cloudflare-ai-gateway")))?.methods,
+          ).toContainEqual({ type: "key", label: "Gateway API token" })
 
           const result = yield* aisdk.runSDK({
             model: Model.Info.make({

packages/core/test/plugin/provider-cloudflare-workers-ai.test.ts

@@ -7,6 +7,7 @@ import { Plugin } from "@opencode-ai/core/plugin"
 import { PluginHost } from "@opencode-ai/core/plugin/host"
 import { CloudflareWorkersAIPlugin } from "@opencode-ai/core/plugin/provider/cloudflare-workers-ai"
 import { Provider } from "@opencode-ai/core/provider"
+import { Integration } from "@opencode-ai/core/integration"
 import type { LanguageModelV3 } from "@ai-sdk/provider"
 import { testEffect } from "../lib/effect"
 import { PluginTestLayer } from "./fixture"
@@ -79,6 +80,29 @@ function cloudflareHeaders(sdk: unknown, modelID = "@cf/model") {
 }
 
 describe("CloudflareWorkersAIPlugin", () => {
+  it.effect("registers an account form when the environment does not provide one", () =>
+    withEnv({ CLOUDFLARE_ACCOUNT_ID: undefined }, () =>
+      Effect.gen(function* () {
+        yield* addPlugin()
+        expect(
+          (yield* (yield* Integration.Service).get(Integration.ID.make("cloudflare-workers-ai")))?.methods,
+        ).toContainEqual({
+          type: "key",
+          label: "API key",
+          form: [
+            {
+              type: "string",
+              key: "accountId",
+              title: "Enter your Cloudflare Account ID",
+              placeholder: "e.g. 1234567890abcdef1234567890abcdef",
+              required: true,
+            },
+          ],
+        })
+      }),
+    ),
+  )
+
   it.effect("maps account ID to endpoint URL and creates an OpenAI-compatible SDK", () =>
     withEnv({ CLOUDFLARE_ACCOUNT_ID: "acct", CLOUDFLARE_API_KEY: "key" }, () =>
       Effect.gen(function* () {
@@ -91,6 +115,9 @@ describe("CloudflareWorkersAIPlugin", () => {
           }),
         )
         yield* addPlugin()
+        expect(
+          (yield* (yield* Integration.Service).get(Integration.ID.make("cloudflare-workers-ai")))?.methods,
+        ).toContainEqual({ type: "key", label: "API key" })
         const provider = required(yield* catalog.provider.get(Provider.ID.make("cloudflare-workers-ai")))
         const sdk = yield* aisdk.runSDK({
           model: Model.Info.make({
@@ -135,7 +162,16 @@ describe("CloudflareWorkersAIPlugin", () => {
       Effect.gen(function* () {
         const plugin = yield* Plugin.Service
         const aisdk = yield* AISDK.Service
+        const catalog = yield* Catalog.Service
+        yield* catalog.transform((catalog) =>
+          catalog.provider.update(Provider.ID.make("cloudflare-workers-ai"), (provider) => {
+            provider.settings = { ...provider.settings, baseURL: "https://proxy.example/v1" }
+          }),
+        )
         yield* addPlugin()
+        expect(
+          (yield* (yield* Integration.Service).get(Integration.ID.make("cloudflare-workers-ai")))?.methods,
+        ).toContainEqual({ type: "key", label: "API key" })
         const result = yield* aisdk.runSDK({
           model: Model.Info.make({
             ...Model.Info.default(Provider.ID.make("cloudflare-workers-ai"), Model.ID.make("@cf/model")),

packages/core/test/plugin/provider-github-copilot.test.ts

@@ -1,5 +1,4 @@
 import { AISDK } from "@opencode-ai/core/aisdk"
-import { App } from "@opencode-ai/core/app"
 import { describe, expect, test } from "bun:test"
 import { Effect } from "effect"
 import { Catalog } from "@opencode-ai/core/catalog"
@@ -7,8 +6,11 @@ import { Model } from "@opencode-ai/core/model"
 import { Plugin } from "@opencode-ai/core/plugin"
 import { PluginHost } from "@opencode-ai/core/plugin/host"
 import { copilotBaseURL, copilotFetch, GithubCopilotPlugin } from "@opencode-ai/core/plugin/provider/github-copilot"
+import { CopilotModels } from "@opencode-ai/core/github-copilot/models"
 import { Provider } from "@opencode-ai/core/provider"
 import { Integration } from "@opencode-ai/core/integration"
+import { Credential } from "@opencode-ai/core/credential"
+import { ModelResolver } from "@opencode-ai/core/model-resolver"
 import type { LanguageModelV3 } from "@ai-sdk/provider"
 import { testEffect } from "../lib/effect"
 import { PluginTestLayer } from "./fixture"
@@ -57,11 +59,37 @@ describe("GithubCopilotPlugin", () => {
         id: Integration.MethodID.make("device"),
         type: "oauth",
         label: "Login with GitHub Copilot",
-        prompts: expect.any(Array),
+        form: expect.any(Array),
       })
     }),
   )
 
+  it.effect("removes the generic key method", () =>
+    Effect.gen(function* () {
+      const integrations = yield* Integration.Service
+      yield* integrations.transform((draft) => {
+        draft.method.update({
+          integrationID: Integration.ID.make("github-copilot"),
+          method: { type: "key" },
+        })
+        draft.method.update({
+          integrationID: Integration.ID.make("github-copilot"),
+          method: { type: "env", names: ["GITHUB_TOKEN"] },
+        })
+      })
+      yield* addPlugin()
+      expect((yield* integrations.get(Integration.ID.make("github-copilot")))?.methods).toEqual([
+        { type: "env", names: ["GITHUB_TOKEN"] },
+        {
+          id: Integration.MethodID.make("device"),
+          type: "oauth",
+          label: "Login with GitHub Copilot",
+          form: expect.any(Array),
+        },
+      ])
+    }),
+  )
+
   it.live("adds Copilot authentication and request metadata headers", () =>
     Effect.gen(function* () {
       const requests: Headers[] = []
@@ -72,7 +100,6 @@ describe("GithubCopilotPlugin", () => {
           return Response.json({ ok: true })
         },
         false,
-        App.make({ name: "test", version: "1.2.3", channel: "beta" }),
       )
       yield* Effect.promise(() =>
         send("https://api.githubcopilot.com/chat/completions", {
@@ -88,7 +115,10 @@ describe("GithubCopilotPlugin", () => {
       expect(requests[0]?.get("x-initiator")).toBe("user")
       expect(requests[0]?.get("copilot-vision-request")).toBe("true")
       expect(requests[0]?.get("x-github-api-version")).toBe("2026-06-01")
-      expect(requests[0]?.get("user-agent")).toBe("opencode/beta/1.2.3/test")
+      expect(requests[0]?.get("user-agent")).toBe("GitHubCopilotChat/0.26.7")
+      expect(requests[0]?.get("editor-version")).toBe("vscode/1.99.3")
+      expect(requests[0]?.get("editor-plugin-version")).toBe("copilot-chat/0.26.7")
+      expect(requests[0]?.get("copilot-integration-id")).toBe("vscode-chat")
     }),
   )
 
@@ -120,6 +150,54 @@ describe("GithubCopilotPlugin", () => {
     }),
   )
 
+  it.effect("routes all Copilot protocols through Copilot-owned SDK hooks", () =>
+    Effect.gen(function* () {
+      const catalog = yield* Catalog.Service
+      yield* catalog.transform((draft) => {
+        draft.provider.update(Provider.ID.githubCopilot, (provider) => {
+          provider.package = Provider.aisdk("@ai-sdk/openai-compatible")
+        })
+        draft.model.update(Provider.ID.githubCopilot, Model.ID.make("claude-sonnet"), (model) => {
+          model.package = Provider.aisdk("@ai-sdk/anthropic")
+        })
+      })
+      yield* addPlugin()
+
+      expect(required(yield* catalog.provider.get(Provider.ID.githubCopilot)).package).toBe(
+        Provider.aisdk(CopilotModels.Package.OpenAI),
+      )
+      expect(
+        required(yield* catalog.model.get(Provider.ID.githubCopilot, Model.ID.make("claude-sonnet"))).package,
+      ).toBe(Provider.aisdk(CopilotModels.Package.Anthropic))
+
+      const fallback = yield* ModelResolver.fromCatalogModel(
+        Model.Info.make({
+          ...Model.Info.default(Provider.ID.openai, Model.ID.make("fallback")),
+          package: Provider.aisdk("@ai-sdk/openai"),
+          settings: { baseURL: "https://openai.example/v1" },
+        }),
+      )
+      const resolved = yield* ModelResolver.fromCatalogModel(
+        required(yield* catalog.model.get(Provider.ID.githubCopilot, Model.ID.make("claude-sonnet"))),
+        Credential.OAuth.make({
+          type: "oauth",
+          methodID: Integration.MethodID.make("device"),
+          refresh: "github-token",
+          access: "github-token",
+          expires: 0,
+        }),
+        {
+          loadAISDK: (runtime) =>
+            Effect.sync(() => {
+              expect(runtime.settings?.apiKey).toBe("github-token")
+              return fallback
+            }),
+        },
+      )
+      expect(resolved).toBe(fallback)
+    }),
+  )
+
   it.effect("selects languageModel when responses and chat are absent", () =>
     Effect.gen(function* () {
       const plugin = yield* Plugin.Service

packages/core/test/plugin/provider-opencode.test.ts

@@ -128,7 +128,7 @@ describe("OpencodePlugin", () => {
           const attempt = yield* integrations.oauth.connect({
             integrationID,
             methodID: Integration.MethodID.make("device"),
-            inputs: { server: `${server.url.origin}/console///?ignored=true#ignored` },
+            answer: { server: `${server.url.origin}/console///?ignored=true#ignored` },
           })
           expect(attempt.url).toBe(`${server.url.origin}/verify`)
           yield* eventually(
@@ -155,7 +155,7 @@ describe("OpencodePlugin", () => {
         .connect({
           integrationID: Integration.ID.make("opencode"),
           methodID: Integration.MethodID.make("device"),
-          inputs: { server: "ftp://console.example.com" },
+          answer: { server: "ftp://console.example.com" },
         })
         .pipe(Effect.flip)
       expect(error).toBeInstanceOf(Integration.AuthorizationError)
@@ -163,6 +163,21 @@ describe("OpencodePlugin", () => {
     }),
   )
 
+  it.effect("rejects non-string OpenCode servers", () =>
+    Effect.gen(function* () {
+      yield* addPlugin()
+      const error = yield* (yield* Integration.Service).oauth
+        .connect({
+          integrationID: Integration.ID.make("opencode"),
+          methodID: Integration.MethodID.make("device"),
+          answer: { server: true },
+        })
+        .pipe(Effect.flip)
+      expect(error).toBeInstanceOf(Integration.AuthorizationError)
+      expect(String(error.cause)).toContain("Invalid OpenCode server URL: expected string")
+    }),
+  )
+
   it.live("loads providers and models from the connected OpenCode server", () =>
     Effect.acquireUseRelease(
       Effect.sync(() => {

packages/core/test/plugin/websearch.test.ts

@@ -129,7 +129,10 @@ describe("built-in web search providers", () => {
       yield* WebSearchParallel.Plugin.effect(
         host({ integration: integrationHost(integrations), websearch: webSearchHost(websearch) }),
       )
-      yield* integrations.connection.key({ integrationID: Integration.ID.make("parallel"), key: "parallel-secret" })
+      yield* integrations.connection.key({
+        integrationID: Integration.ID.make("parallel"),
+        key: "parallel-secret",
+      })
 
       const output = yield* websearch.query({
         query: "effect layers",

packages/core/test/ripgrep.test.ts

@@ -3,12 +3,15 @@ import fs from "fs/promises"
 import path from "path"
 import { Effect } from "effect"
 import { LayerNode } from "@opencode-ai/util/effect/layer-node"
+import { AppNodeBuilder } from "@opencode-ai/core/effect/app-node-builder"
+import { Location } from "@opencode-ai/core/location"
 import { Ripgrep } from "@opencode-ai/core/ripgrep"
 import { RelativePath } from "@opencode-ai/core/schema"
 import { tmpdir } from "./fixture/tmpdir"
 import { testEffect } from "./lib/effect"
+import { tempLocationLayer } from "./fixture/location"
 
-const it = testEffect(LayerNode.compile(Ripgrep.node))
+const it = testEffect(AppNodeBuilder.build(Ripgrep.node, [[Location.node, tempLocationLayer]]))
 
 describe("Ripgrep", () => {
   it.live("globs files as an array", () =>

packages/core/test/session-runner-message.test.ts

@@ -3,7 +3,8 @@ import { Message } from "@opencode-ai/ai"
 import { Model } from "@opencode-ai/core/model"
 import { Provider } from "@opencode-ai/core/provider"
 import { SessionMessage } from "@opencode-ai/core/session/message"
-import { AgentAttachment, Base64, FileAttachment } from "@opencode-ai/schema/prompt"
+import { AgentAttachment, Base64, FileAttachment, SkillAttachment } from "@opencode-ai/schema/prompt"
+import { Skill } from "@opencode-ai/schema/skill"
 import { toLLMMessages } from "@opencode-ai/core/session/runner/to-llm-message"
 import { Agent } from "@opencode-ai/core/agent"
 import { Shell } from "@opencode-ai/schema/shell"
@@ -184,6 +185,40 @@ Recent work
     })
   })
 
+  test("lowers selected skill instructions with the original user prompt", () => {
+    const messages = toLLMMessages(
+      [
+        SessionMessage.User.make({
+          id: id("user-skill"),
+          type: "user",
+          text: "Design this API",
+          skills: [
+            SkillAttachment.make({
+              id: Skill.ID.make("api-design"),
+              name: Skill.Name.make("API design"),
+              text: "Start from the ideal call site.",
+            }),
+          ],
+          time: { created },
+        }),
+      ],
+      model,
+    )
+
+    expect(messages).toHaveLength(1)
+    expect(messages[0]).toMatchObject({
+      id: id("user-skill"),
+      role: "user",
+      content: [
+        {
+          type: "text",
+          text: "Start from the ideal call site.",
+        },
+        { type: "text", text: "Design this API" },
+      ],
+    })
+  })
+
   test("decodes inline text attachment content", () => {
     const messages = toLLMMessages(
       [

packages/core/test/session-skill.test.ts

@@ -15,6 +15,7 @@ import { SessionExecution } from "@opencode-ai/core/session/execution"
 import { SessionMessage } from "@opencode-ai/core/session/message"
 import { SessionProjector } from "@opencode-ai/core/session/projector"
 import { SessionStore } from "@opencode-ai/core/session/store"
+import { SessionPending } from "@opencode-ai/core/session/pending"
 import { Skill } from "@opencode-ai/core/skill"
 import { testEffect } from "./lib/effect"
 
@@ -55,6 +56,41 @@ const it = testEffect(
 )
 
 describe("Session.skill", () => {
+  it.effect("attaches a resolved skill snapshot to a normal prompt", () =>
+    Effect.gen(function* () {
+      const sessions = yield* Session.Service
+      const database = yield* Database.Service
+      const bus = yield* Bus.Service
+      const session = yield* sessions.create({ location })
+      const id = SessionMessage.ID.make("msg_skill_attachment")
+
+      yield* sessions.prompt({
+        id,
+        sessionID: session.id,
+        text: "Apply this guidance",
+        skills: [{ id: Skill.ID.make("effect"), mention: { start: 20, end: 27, text: "/effect" } }],
+        resume: false,
+      })
+      yield* SessionPending.promote(database.db, bus, session.id, "steer")
+
+      expect(yield* sessions.messages({ sessionID: session.id })).toContainEqual(
+        expect.objectContaining({
+          id,
+          type: "user",
+          text: "Apply this guidance",
+          skills: [
+            {
+              id: "effect",
+              name: "Effect",
+              text: expect.stringContaining("Use Effect"),
+              mention: { start: 20, end: 27, text: "/effect" },
+            },
+          ],
+        }),
+      )
+    }),
+  )
+
   it.effect("projects the caller-supplied message ID", () =>
     Effect.gen(function* () {
       const sessions = yield* Session.Service

packages/core/test/shared-schema.test.ts

@@ -90,15 +90,10 @@ test("Core reuses the canonical shared schemas", async () => {
     [coreFileSystem.Match, FileSystem.Match],
     [coreIntegration.ID, Integration.ID],
     [coreIntegration.MethodID, Integration.MethodID],
-    [coreIntegration.When, Integration.When],
-    [coreIntegration.TextPrompt, Integration.TextPrompt],
-    [coreIntegration.SelectPrompt, Integration.SelectPrompt],
-    [coreIntegration.Prompt, Integration.Prompt],
     [coreIntegration.OAuthMethod, Integration.OAuthMethod],
     [coreIntegration.KeyMethod, Integration.KeyMethod],
     [coreIntegration.EnvMethod, Integration.EnvMethod],
     [coreIntegration.Method, Integration.Method],
-    [coreIntegration.Inputs, Integration.Inputs],
     [coreIntegration.Ref, Integration.Ref],
     [coreLocation.Ref, Location.Ref],
     [coreAI.ProviderMetadata, AI.ProviderMetadata],

packages/core/test/tool-edit.test.ts

@@ -14,6 +14,7 @@ import { AbsolutePath } from "@opencode-ai/core/schema"
 import { Session } from "@opencode-ai/core/session"
 import { Tool } from "@opencode-ai/core/tool"
 import { EditTool } from "@opencode-ai/core/tool/plugin/edit"
+import { transformEnvironmentFiles } from "./fixture/environment"
 import { location } from "./fixture/location"
 import { tmpdir } from "./fixture/tmpdir"
 import { makeLocationNode } from "@opencode-ai/util/effect/app-node"
@@ -80,29 +81,6 @@ const reset = () => {
   formatFile = () => Effect.succeed(false)
 }
 
-const environment = Layer.effect(
-  Environment.Service,
-  Effect.gen(function* () {
-    const current = yield* Environment.Service
-    return Environment.Service.of({
-      ...current,
-      files: {
-        ...current.files,
-        read: (target, range) =>
-          current.files
-            .read(target, range)
-            .pipe(
-              Effect.tap((result) =>
-                Effect.sync(() => reads++).pipe(Effect.andThen(Effect.suspend(() => afterRead(target, result.bytes)))),
-              ),
-            ),
-        write: (target, content) =>
-          Effect.sync(() => writes.push(target)).pipe(Effect.andThen(current.files.write(target, content))),
-      },
-    })
-  }),
-).pipe(Layer.provide(LayerNode.compile(Environment.node)))
-
 const withTool = <A, E, R>(directory: string, body: (registry: Tool.Interface) => Effect.Effect<A, E, R>) => {
   const activeLocation = Layer.succeed(
     Location.Service,
@@ -115,7 +93,23 @@ const withTool = <A, E, R>(directory: string, body: (registry: Tool.Interface) =
       AppNodeBuilder.build(
         LayerNode.group([Tool.node, Tool.node, LocationMutation.node, FileMutation.node, editToolNode]),
         [
-          [Environment.node, environment],
+          [
+            Environment.node,
+            transformEnvironmentFiles(activeLocation, (files) => ({
+              read: (target, range) =>
+                files
+                  .read(target, range)
+                  .pipe(
+                    Effect.tap((result) =>
+                      Effect.sync(() => reads++).pipe(
+                        Effect.andThen(Effect.suspend(() => afterRead(target, result.bytes))),
+                      ),
+                    ),
+                  ),
+              write: (target, content) =>
+                Effect.sync(() => writes.push(target)).pipe(Effect.andThen(files.write(target, content))),
+            })),
+          ],
           [Location.node, activeLocation],
           [Formatter.node, formatter],
           [Permission.node, permission],

packages/core/test/tool-patch.test.ts

@@ -14,6 +14,7 @@ import { AbsolutePath } from "@opencode-ai/core/schema"
 import { Session } from "@opencode-ai/core/session"
 import { Tool } from "@opencode-ai/core/tool"
 import { PatchTool } from "@opencode-ai/core/tool/plugin/patch"
+import { transformEnvironmentFiles } from "./fixture/environment"
 import { location } from "./fixture/location"
 import { tmpdir } from "./fixture/tmpdir"
 import { makeLocationNode } from "@opencode-ai/util/effect/app-node"
@@ -82,34 +83,6 @@ const reset = () => {
   formatFile = () => Effect.succeed(false)
 }
 
-const environment = Layer.effect(
-  Environment.Service,
-  Effect.gen(function* () {
-    const current = yield* Environment.Service
-    return Environment.Service.of({
-      ...current,
-      files: {
-        ...current.files,
-        read: (target, range) =>
-          Effect.sync(() => {
-            if (!editApproved) readsBeforeEditApproval++
-          }).pipe(Effect.andThen(current.files.read(target, range))),
-        remove: (target) => {
-          if (failRemoveTarget && path.basename(target) === failRemoveTarget) return Effect.die("forced remove failure")
-          if (failRemoveErrorTarget && path.basename(target) === failRemoveErrorTarget)
-            return Effect.fail(new Environment.Failed({ path: target, cause: new Error("forced remove failure") }))
-          return current.files.remove(target)
-        },
-        write: (target, content) => {
-          if (failWriteTarget && path.basename(target) === failWriteTarget)
-            return Effect.fail(new Environment.Failed({ path: target, cause: new Error("forced write failure") }))
-          return current.files.write(target, content)
-        },
-      },
-    })
-  }),
-).pipe(Layer.provide(LayerNode.compile(Environment.node)))
-
 const withTool = <A, E, R>(
   directory: string,
   body: (registry: Tool.Interface) => Effect.Effect<A, E, R>,
@@ -126,7 +99,27 @@ const withTool = <A, E, R>(
   }).pipe(
     Effect.provide(
       AppNodeBuilder.build(LayerNode.group([Tool.node, FileMutation.node, patchToolNode]), [
-        [Environment.node, environment],
+        [
+          Environment.node,
+          transformEnvironmentFiles(activeLocation, (files) => ({
+            read: (target, range) =>
+              Effect.sync(() => {
+                if (!editApproved) readsBeforeEditApproval++
+              }).pipe(Effect.andThen(files.read(target, range))),
+            remove: (target) => {
+              if (failRemoveTarget && path.basename(target) === failRemoveTarget)
+                return Effect.die("forced remove failure")
+              if (failRemoveErrorTarget && path.basename(target) === failRemoveErrorTarget)
+                return Effect.fail(new Environment.Failed({ path: target, cause: new Error("forced remove failure") }))
+              return files.remove(target)
+            },
+            write: (target, content) => {
+              if (failWriteTarget && path.basename(target) === failWriteTarget)
+                return Effect.fail(new Environment.Failed({ path: target, cause: new Error("forced write failure") }))
+              return files.write(target, content)
+            },
+          })),
+        ],
         [Location.node, activeLocation],
         [Formatter.node, formatter],
         [Permission.node, permission],

packages/core/test/tool-skill.test.ts

@@ -105,9 +105,9 @@ describe("SkillTool", () => {
               }),
             ).toMatchObject({
               status: "completed",
-              content: [{ type: "text", text: SkillTool.toModelOutput(info, [reference]) }],
+              content: [{ type: "text", text: Skill.toModelOutput(info, [reference]) }],
             })
-            expect(SkillTool.toModelOutput(info, [reference])).toContain(`Base directory for this skill: ${directory}`)
+            expect(Skill.toModelOutput(info, [reference])).toContain(`Base directory for this skill: ${directory}`)
             expect(
               yield* executeTool(registry, {
                 sessionID,
@@ -116,8 +116,8 @@ describe("SkillTool", () => {
               }),
             ).toEqual({
               status: "completed",
-              output: { name: "Effect", directory, output: SkillTool.toModelOutput(info, [reference]) },
-              content: [{ type: "text", text: SkillTool.toModelOutput(info, [reference]) }],
+              output: { name: "Effect", directory, output: Skill.toModelOutput(info, [reference]) },
+              content: [{ type: "text", text: Skill.toModelOutput(info, [reference]) }],
               metadata: { name: "Effect", directory },
             })
             expect(assertions).toMatchObject([
@@ -168,7 +168,7 @@ describe("SkillTool", () => {
               }),
             ).toMatchObject({
               status: "completed",
-              content: [{ type: "text", text: SkillTool.toModelOutput(flat, []) }],
+              content: [{ type: "text", text: Skill.toModelOutput(flat, []) }],
             })
           }).pipe(Effect.provide(skillToolLayer))
         }),

packages/core/test/tool-write.test.ts

@@ -14,6 +14,7 @@ import { AbsolutePath } from "@opencode-ai/core/schema"
 import { Session } from "@opencode-ai/core/session"
 import { Tool } from "@opencode-ai/core/tool"
 import { WriteTool } from "@opencode-ai/core/tool/plugin/write"
+import { transformEnvironmentFiles } from "./fixture/environment"
 import { location } from "./fixture/location"
 import { tmpdir } from "./fixture/tmpdir"
 import { makeLocationNode } from "@opencode-ai/util/effect/app-node"
@@ -68,21 +69,6 @@ const reset = () => {
   denyAction = undefined
 }
 
-const environment = Layer.effect(
-  Environment.Service,
-  Effect.gen(function* () {
-    const current = yield* Environment.Service
-    return Environment.Service.of({
-      ...current,
-      files: {
-        ...current.files,
-        write: (target, content) =>
-          Effect.sync(() => writes.push(target)).pipe(Effect.andThen(current.files.write(target, content))),
-      },
-    })
-  }),
-).pipe(Layer.provide(LayerNode.compile(Environment.node)))
-
 const withTool = <A, E, R>(directory: string, body: (registry: Tool.Interface) => Effect.Effect<A, E, R>) => {
   const activeLocation = Layer.succeed(
     Location.Service,
@@ -95,7 +81,13 @@ const withTool = <A, E, R>(directory: string, body: (registry: Tool.Interface) =
       AppNodeBuilder.build(
         LayerNode.group([Tool.node, Tool.node, LocationMutation.node, FileMutation.node, writeToolNode]),
         [
-          [Environment.node, environment],
+          [
+            Environment.node,
+            transformEnvironmentFiles(activeLocation, (files) => ({
+              write: (target, content) =>
+                Effect.sync(() => writes.push(target)).pipe(Effect.andThen(files.write(target, content))),
+            })),
+          ],
           [Location.node, activeLocation],
           [Formatter.node, formatter],
           [Permission.node, permission],

packages/core/test/workspace.test.ts

@@ -0,0 +1,106 @@
+import { beforeEach, expect } from "bun:test"
+import { AppNodeBuilder } from "@opencode-ai/core/effect/app-node-builder"
+import { Database } from "@opencode-ai/core/database/database"
+import { makeMemoryDriver } from "@opencode-ai/core/environment"
+import { Workspace } from "@opencode-ai/core/workspace"
+import { WorkspaceDriver } from "@opencode-ai/core/workspace/driver"
+import { WorkspaceTable } from "@opencode-ai/core/workspace/sql"
+import { LayerNode } from "@opencode-ai/util/effect/layer-node"
+import { eq } from "drizzle-orm"
+import { Effect } from "effect"
+import { TestClock } from "effect/testing"
+import { ChildProcess } from "effect/unstable/process"
+import { testEffect } from "./lib/effect"
+
+const calls: Array<{ readonly operation: string; readonly binding?: WorkspaceDriver.Binding }> = []
+const memory = makeMemoryDriver()
+let failConnect = false
+
+const driver = WorkspaceDriver.make({
+  create: ({ workspaceID }) => {
+    calls.push({ operation: "create" })
+    return Effect.succeed({ binding: { workspaceID, generation: 0 } })
+  },
+  connect: ({ binding }) => {
+    calls.push({ operation: "connect", binding })
+    if (failConnect) return Effect.fail(new WorkspaceDriver.Error({ message: "wake failed" }))
+    return Effect.succeed(memory)
+  },
+  suspendForIdle: ({ binding, saveBinding }) => {
+    calls.push({ operation: "suspendForIdle", binding })
+    return saveBinding({ ...binding, generation: Number(binding.generation) + 1, suspended: true })
+  },
+  destroy: ({ binding }) => {
+    calls.push({ operation: "destroy", binding })
+    return Effect.void
+  },
+})
+
+const it = testEffect(
+  AppNodeBuilder.build(
+    LayerNode.group([Database.node, Workspace.configured({ idleThreshold: "5 minutes", pollInterval: "1 minute" })]),
+    [[WorkspaceDriver.node, WorkspaceDriver.registryNode({ fake: driver })]],
+  ),
+)
+
+beforeEach(() => {
+  calls.splice(0)
+  failConnect = false
+})
+
+it.effect("persists the workspace lifecycle and reconnects after idle suspension", () =>
+  Effect.gen(function* () {
+    const workspace = yield* Workspace.Service
+    const created = yield* workspace.create("fake")
+
+    expect(created.id.startsWith("wrk_")).toBe(true)
+    expect(created.binding).toEqual({ workspaceID: created.id, generation: 0 })
+
+    const environment = yield* workspace.connect(created.id)
+    expect(calls.map((call) => call.operation)).toEqual(["create"])
+
+    yield* TestClock.adjust("4 minutes")
+    yield* Effect.scoped(environment.spawner.spawn(ChildProcess.make("activity"))).pipe(Effect.exit)
+    yield* TestClock.adjust("4 minutes")
+    expect(calls.map((call) => call.operation)).toEqual(["create", "connect"])
+
+    yield* TestClock.adjust("2 minutes")
+    expect(calls.map((call) => call.operation)).toEqual(["create", "connect", "suspendForIdle"])
+
+    const stored = yield* Database.Service.use(({ db }) =>
+      db.select().from(WorkspaceTable).where(eq(WorkspaceTable.id, created.id)).get(),
+    ).pipe(Effect.orDie)
+    expect(stored?.binding).toEqual({ workspaceID: created.id, generation: 1, suspended: true })
+    expect(stored?.last_used_at).toBe(4 * 60 * 1000)
+
+    yield* Effect.scoped(environment.spawner.spawn(ChildProcess.make("wake"))).pipe(Effect.exit)
+    expect(calls.map((call) => call.operation)).toEqual(["create", "connect", "suspendForIdle", "connect"])
+    expect(calls.at(-1)?.binding).toEqual({ workspaceID: created.id, generation: 1, suspended: true })
+
+    yield* workspace.destroy(created.id)
+    expect(calls.at(-1)?.operation).toBe("destroy")
+  }),
+)
+
+it.effect("surfaces wake failures through the spawn error channel", () =>
+  Effect.gen(function* () {
+    const workspace = yield* Workspace.Service
+    const created = yield* workspace.create("fake")
+    const environment = yield* workspace.connect(created.id)
+    yield* Effect.scoped(environment.spawner.spawn(ChildProcess.make("connect"))).pipe(Effect.exit)
+
+    yield* TestClock.adjust("6 minutes")
+    failConnect = true
+
+    const error = yield* Effect.scoped(environment.spawner.spawn(ChildProcess.make("wake"))).pipe(Effect.flip)
+    expect(error).toMatchObject({
+      _tag: "PlatformError",
+      reason: {
+        _tag: "Unknown",
+        module: "Workspace",
+        method: "spawn",
+        description: `Failed to wake workspace ${created.id}`,
+      },
+    })
+  }),
+)

packages/httpapi-codegen/src/index.ts

@@ -1316,7 +1316,15 @@ export function write(
         }).pipe(Effect.flatMap((content) => fs.writeFileString(join(directory, file.path), content))),
       { concurrency: 8, discard: true },
     )
-    yield* fs.writeFileString(manifest, JSON.stringify(output.files.map((file) => file.path).sort(), null, 2) + "\n")
+    // Format the manifest with the same prettier settings as the repo-wide
+    // format pass, so `check:generated` stays clean after the generate bot
+    // reformats the tree.
+    const manifestJson = JSON.stringify(output.files.map((file) => file.path).sort())
+    const manifestContent = yield* Effect.tryPromise({
+      try: () => format(manifestJson, { filepath: manifest, parser: "json", printWidth: 120 }),
+      catch: (error) => new GenerationError({ reason: `Failed to format ${manifest}: ${String(error)}` }),
+    })
+    yield* fs.writeFileString(manifest, manifestContent)
   })
 }
 

packages/httpapi-codegen/test/write.test.ts

@@ -16,7 +16,7 @@ describe("HttpApiCodegen.write", () => {
 
       expect(writes).toEqual([
         { path: "/generated/session.ts", content: "export const session = {}\n" },
-        { path: "/generated/.httpapi-codegen.json", content: '[\n  "session.ts"\n]\n' },
+        { path: "/generated/.httpapi-codegen.json", content: '["session.ts"]\n' },
       ])
     }).pipe(
       Effect.provideService(

packages/plugin/src/effect/integration.ts

@@ -1,19 +1,43 @@
-import type {
-  ConnectionInfo,
-  IntegrationCommandMethod,
-  IntegrationEnvMethod,
-  IntegrationKeyMethod,
-  IntegrationMethod,
-  IntegrationOAuthMethod,
-} from "@opencode-ai/client"
+import type { ConnectionInfo } from "@opencode-ai/client"
 import type { IntegrationApi } from "@opencode-ai/client/effect/api"
 import { Credential } from "@opencode-ai/schema/credential"
+import { Form } from "@opencode-ai/schema/form"
 import type { Effect, Scope } from "effect"
 import type { Transform } from "./registration.js"
 
-type IntegrationInputs = Record<string, string>
 type IntegrationRef = { id: string; name: string }
 
+export interface IntegrationOAuthMethod {
+  readonly id: string
+  readonly type: "oauth"
+  readonly label: string
+  readonly form?: Form.Fields
+}
+
+export interface IntegrationCommandMethod {
+  readonly id: string
+  readonly type: "command"
+  readonly label: string
+  readonly command: ReadonlyArray<string>
+}
+
+export interface IntegrationKeyMethod {
+  readonly type: "key"
+  readonly label?: string
+  readonly form?: Form.Fields
+}
+
+export interface IntegrationEnvMethod {
+  readonly type: "env"
+  readonly names: ReadonlyArray<string>
+}
+
+export type IntegrationMethod =
+  | IntegrationOAuthMethod
+  | IntegrationCommandMethod
+  | IntegrationKeyMethod
+  | IntegrationEnvMethod
+
 export type IntegrationOAuthAuthorization = {
   readonly url: string
   readonly instructions: string
@@ -31,7 +55,7 @@ export type IntegrationOAuthAuthorization = {
 export type IntegrationOAuthMethodRegistration = {
   readonly integrationID: string
   readonly method: IntegrationOAuthMethod
-  readonly authorize: (inputs: IntegrationInputs) => Effect.Effect<IntegrationOAuthAuthorization, unknown, Scope.Scope>
+  readonly authorize: (answer: Form.Answer) => Effect.Effect<IntegrationOAuthAuthorization, unknown, Scope.Scope>
   readonly refresh?: (credential: Credential.OAuth) => Effect.Effect<Credential.OAuth, unknown>
   readonly label?: (credential: Credential.OAuth) => string | undefined
 }

packages/plugin/src/promise/integration.ts

@@ -1,18 +1,42 @@
-import type {
-  ConnectionInfo,
-  IntegrationCommandMethod,
-  IntegrationEnvMethod,
-  IntegrationKeyMethod,
-  IntegrationMethod,
-  IntegrationOAuthMethod,
-} from "@opencode-ai/client"
+import type { ConnectionInfo } from "@opencode-ai/client"
 import type { IntegrationApi } from "@opencode-ai/client/promise/api"
 import { Credential } from "@opencode-ai/schema/credential"
+import { Form } from "@opencode-ai/schema/form"
 import type { Transform } from "./registration.js"
 
-type IntegrationInputs = Record<string, string>
 type IntegrationRef = { id: string; name: string }
 
+export interface IntegrationOAuthMethod {
+  readonly id: string
+  readonly type: "oauth"
+  readonly label: string
+  readonly form?: Form.Fields
+}
+
+export interface IntegrationCommandMethod {
+  readonly id: string
+  readonly type: "command"
+  readonly label: string
+  readonly command: ReadonlyArray<string>
+}
+
+export interface IntegrationKeyMethod {
+  readonly type: "key"
+  readonly label?: string
+  readonly form?: Form.Fields
+}
+
+export interface IntegrationEnvMethod {
+  readonly type: "env"
+  readonly names: ReadonlyArray<string>
+}
+
+export type IntegrationMethod =
+  | IntegrationOAuthMethod
+  | IntegrationCommandMethod
+  | IntegrationKeyMethod
+  | IntegrationEnvMethod
+
 export type IntegrationOAuthAuthorization = {
   readonly url: string
   readonly instructions: string
@@ -31,7 +55,7 @@ export type IntegrationOAuthAuthorization = {
 export type IntegrationOAuthMethodRegistration = {
   readonly integrationID: string
   readonly method: IntegrationOAuthMethod
-  readonly authorize: (inputs: IntegrationInputs) => Promise<IntegrationOAuthAuthorization>
+  readonly authorize: (answer: Form.Answer) => Promise<IntegrationOAuthAuthorization>
   readonly refresh?: (credential: Credential.OAuth) => Promise<Credential.OAuth>
   readonly label?: (credential: Credential.OAuth) => string | undefined
 }
@@ -39,7 +63,10 @@ export type IntegrationOAuthMethodRegistration = {
 export type IntegrationMethodRegistration =
   | IntegrationOAuthMethodRegistration
   | { readonly integrationID: string; readonly method: IntegrationCommandMethod }
-  | { readonly integrationID: string; readonly method: IntegrationKeyMethod }
+  | {
+      readonly integrationID: string
+      readonly method: IntegrationKeyMethod
+    }
   | { readonly integrationID: string; readonly method: IntegrationEnvMethod }
 
 export interface IntegrationDraft {

packages/protocol/openapi.json

@@ -1809,6 +1809,12 @@
                       "$ref": "#/components/schemas/Prompt.AgentAttachment"
                     }
                   },
+                  "skills": {
+                    "type": "array",
+                    "items": {
+                      "$ref": "#/components/schemas/PromptInput.SkillAttachment"
+                    }
+                  },
                   "metadata": {
                     "type": "object"
                   },
@@ -2017,6 +2023,12 @@
                       "$ref": "#/components/schemas/Prompt.AgentAttachment"
                     }
                   },
+                  "skills": {
+                    "type": "array",
+                    "items": {
+                      "$ref": "#/components/schemas/PromptInput.SkillAttachment"
+                    }
+                  },
                   "delivery": {
                     "anyOf": [
                       {
@@ -12841,6 +12853,25 @@
         "required": ["name"],
         "additionalProperties": false
       },
+      "Prompt.SkillAttachment": {
+        "type": "object",
+        "properties": {
+          "id": {
+            "type": "string"
+          },
+          "name": {
+            "type": "string"
+          },
+          "text": {
+            "type": "string"
+          },
+          "mention": {
+            "$ref": "#/components/schemas/Prompt.Mention"
+          }
+        },
+        "required": ["id", "name", "text"],
+        "additionalProperties": false
+      },
       "Session.Message.User": {
         "type": "object",
         "properties": {
@@ -12880,6 +12911,12 @@
               "$ref": "#/components/schemas/Prompt.AgentAttachment"
             }
           },
+          "skills": {
+            "type": "array",
+            "items": {
+              "$ref": "#/components/schemas/Prompt.SkillAttachment"
+            }
+          },
           "type": {
             "type": "string",
             "enum": ["user"]
@@ -13837,6 +13874,19 @@
         "required": ["uri"],
         "additionalProperties": false
       },
+      "PromptInput.SkillAttachment": {
+        "type": "object",
+        "properties": {
+          "id": {
+            "type": "string"
+          },
+          "mention": {
+            "$ref": "#/components/schemas/Prompt.Mention"
+          }
+        },
+        "required": ["id"],
+        "additionalProperties": false
+      },
       "SessionPending.UserData": {
         "type": "object",
         "properties": {
@@ -13855,6 +13905,12 @@
               "$ref": "#/components/schemas/Prompt.AgentAttachment"
             }
           },
+          "skills": {
+            "type": "array",
+            "items": {
+              "$ref": "#/components/schemas/Prompt.SkillAttachment"
+            }
+          },
           "metadata": {
             "type": "object"
           }
@@ -14764,6 +14820,12 @@
               "$ref": "#/components/schemas/Prompt.AgentAttachment"
             }
           },
+          "skills": {
+            "type": "array",
+            "items": {
+              "$ref": "#/components/schemas/Prompt.SkillAttachment"
+            }
+          },
           "metadata": {
             "type": "object"
           }

packages/protocol/src/groups/integration.ts

@@ -1,12 +1,11 @@
 import { Integration } from "@opencode-ai/schema/integration"
 import { Location } from "@opencode-ai/schema/location"
+import { Form } from "@opencode-ai/schema/form"
 import { Schema } from "effect"
 import { HttpApiEndpoint, HttpApiGroup, HttpApiSchema, OpenApi } from "effect/unstable/httpapi"
 import { InvalidRequestError } from "../errors.js"
 import { LocationQuery, locationQueryOpenApi } from "./location.js"
 
-const Inputs = Schema.Record(Schema.String, Schema.String)
-
 export const IntegrationGroup = HttpApiGroup.make("server.integration")
   .add(
     HttpApiEndpoint.get("integration.list", "/api/integration", {
@@ -59,6 +58,7 @@ export const IntegrationGroup = HttpApiGroup.make("server.integration")
       query: LocationQuery,
       payload: Schema.Struct({
         key: Schema.String,
+        answer: Schema.optional(Form.Answer),
         label: Schema.optional(Schema.String),
       }),
       success: HttpApiSchema.NoContent,
@@ -79,7 +79,7 @@ export const IntegrationGroup = HttpApiGroup.make("server.integration")
       query: LocationQuery,
       payload: Schema.Struct({
         methodID: Integration.MethodID,
-        inputs: Inputs,
+        answer: Schema.optional(Form.Answer),
         label: Schema.optional(Schema.String),
       }),
       success: Location.response(Integration.Attempt),

packages/protocol/src/groups/session.ts

@@ -345,6 +345,7 @@ export const makeSessionGroup = <I extends HttpApiMiddleware.AnyId, S>(sessionLo
           model: Model.Ref.pipe(Schema.optional),
           files: PromptInput.Prompt.fields.files,
           agents: PromptInput.Prompt.fields.agents,
+          skills: PromptInput.Prompt.fields.skills,
           delivery: SessionPending.Delivery.pipe(Schema.optional),
           resume: Schema.Boolean.pipe(Schema.optional),
         }),

packages/schema/src/credential.ts

@@ -5,6 +5,7 @@ import { optional } from "./schema.js"
 import { IntegrationMethodID } from "./integration-id.js"
 import { ascending } from "./identifier.js"
 import { NonNegativeInt, statics } from "./schema.js"
+import { Form } from "./form.js"
 
 export const ID = Schema.String.pipe(
   Schema.brand("Credential.ID"),
@@ -27,6 +28,7 @@ export const Key = Schema.Struct({
   type: Schema.Literal("key"),
   key: Schema.String,
   metadata: optional(Schema.Record(Schema.String, Schema.Unknown)),
+  configuration: optional(Form.Answer),
 }).annotate({ identifier: "Credential.Key" })
 
 export const Value = Schema.Union([OAuth, Key])

packages/schema/src/integration.ts

@@ -7,6 +7,7 @@ import { Connection } from "./connection.js"
 import { ascending } from "./identifier.js"
 import { statics } from "./schema.js"
 import { IntegrationID, IntegrationMethodID } from "./integration-id.js"
+import { Form } from "./form.js"
 
 export const ID = IntegrationID
 export type ID = typeof ID.Type
@@ -14,46 +15,12 @@ export type ID = typeof ID.Type
 export const MethodID = IntegrationMethodID
 export type MethodID = typeof MethodID.Type
 
-export interface When extends Schema.Schema.Type<typeof When> {}
-export const When = Schema.Struct({
-  key: Schema.String,
-  op: Schema.Literals(["eq", "neq"]),
-  value: Schema.String,
-}).annotate({ identifier: "Integration.When" })
-
-export interface TextPrompt extends Schema.Schema.Type<typeof TextPrompt> {}
-export const TextPrompt = Schema.Struct({
-  type: Schema.Literal("text"),
-  key: Schema.String,
-  message: Schema.String,
-  placeholder: optional(Schema.String),
-  when: optional(When),
-}).annotate({ identifier: "Integration.TextPrompt" })
-
-export interface SelectPrompt extends Schema.Schema.Type<typeof SelectPrompt> {}
-export const SelectPrompt = Schema.Struct({
-  type: Schema.Literal("select"),
-  key: Schema.String,
-  message: Schema.String,
-  options: Schema.Array(
-    Schema.Struct({
-      label: Schema.String,
-      value: Schema.String,
-      hint: optional(Schema.String),
-    }),
-  ),
-  when: optional(When),
-}).annotate({ identifier: "Integration.SelectPrompt" })
-
-export const Prompt = Schema.Union([TextPrompt, SelectPrompt]).pipe(Schema.toTaggedUnion("type"))
-export type Prompt = typeof Prompt.Type
-
 export interface OAuthMethod extends Schema.Schema.Type<typeof OAuthMethod> {}
 export const OAuthMethod = Schema.Struct({
   id: MethodID,
   type: Schema.Literal("oauth"),
   label: Schema.String,
-  prompts: optional(Schema.Array(Prompt)),
+  form: optional(Form.Fields),
 }).annotate({ identifier: "Integration.OAuthMethod" })
 
 export interface CommandMethod extends Schema.Schema.Type<typeof CommandMethod> {}
@@ -68,6 +35,7 @@ export interface KeyMethod extends Schema.Schema.Type<typeof KeyMethod> {}
 export const KeyMethod = Schema.Struct({
   type: Schema.Literal("key"),
   label: optional(Schema.String),
+  form: optional(Form.Fields),
 }).annotate({ identifier: "Integration.KeyMethod" })
 
 export interface EnvMethod extends Schema.Schema.Type<typeof EnvMethod> {}
@@ -81,9 +49,6 @@ export const Method = Schema.Union([OAuthMethod, CommandMethod, KeyMethod, EnvMe
   .annotate({ identifier: "Integration.Method" })
 export type Method = typeof Method.Type
 
-export const Inputs = Schema.Record(Schema.String, Schema.String).annotate({ identifier: "Integration.Inputs" })
-export type Inputs = typeof Inputs.Type
-
 const Updated = ephemeral({
   type: "integration.updated",
   schema: {},

packages/schema/src/prompt-input.ts

@@ -3,6 +3,7 @@ export * as PromptInput from "./prompt-input.js"
 import { Schema } from "effect"
 import { AgentAttachment, PromptMention } from "./prompt.js"
 import { optional, statics } from "./schema.js"
+import { Skill } from "./skill.js"
 
 export interface FileAttachment extends Schema.Schema.Type<typeof FileAttachment> {}
 export const FileAttachment = Schema.Struct({
@@ -19,8 +20,15 @@ export const FileAttachment = Schema.Struct({
   )
 
 export interface Prompt extends Schema.Schema.Type<typeof Prompt> {}
+export interface SkillAttachment extends Schema.Schema.Type<typeof SkillAttachment> {}
+export const SkillAttachment = Schema.Struct({
+  id: Skill.ID,
+  mention: PromptMention.pipe(optional),
+}).annotate({ identifier: "PromptInput.SkillAttachment" })
+
 export const Prompt = Schema.Struct({
   text: Schema.String,
   files: Schema.Array(FileAttachment).pipe(optional),
   agents: Schema.Array(AgentAttachment).pipe(optional),
+  skills: Schema.Array(SkillAttachment).pipe(optional),
 }).annotate({ identifier: "PromptInput" })

packages/schema/src/prompt.ts

@@ -1,6 +1,7 @@
 import { Schema } from "effect"
 import { optional } from "./schema.js"
 import { statics } from "./schema.js"
+import { Skill } from "./skill.js"
 
 export interface PromptMention extends Schema.Schema.Type<typeof PromptMention> {}
 export const PromptMention = Schema.Struct({
@@ -52,21 +53,31 @@ export const AgentAttachment = Schema.Struct({
   mention: PromptMention.pipe(optional),
 }).annotate({ identifier: "Prompt.AgentAttachment" })
 
+export interface SkillAttachment extends Schema.Schema.Type<typeof SkillAttachment> {}
+export const SkillAttachment = Schema.Struct({
+  id: Skill.ID,
+  name: Skill.Name,
+  text: Schema.String,
+  mention: PromptMention.pipe(optional),
+}).annotate({ identifier: "Prompt.SkillAttachment" })
+
 export interface Prompt extends Schema.Schema.Type<typeof Prompt> {}
 export const Prompt = Schema.Struct({
   text: Schema.String,
   files: Schema.Array(FileAttachment).pipe(optional),
   agents: Schema.Array(AgentAttachment).pipe(optional),
+  skills: Schema.Array(SkillAttachment).pipe(optional),
 })
   .annotate({ identifier: "Prompt" })
   .pipe(
     statics((schema) => ({
       equivalence: Schema.toEquivalence(schema),
-      fromUserMessage: (input: Pick<Prompt, "text" | "files" | "agents">) =>
+      fromUserMessage: (input: Pick<Prompt, "text" | "files" | "agents" | "skills">) =>
         schema.make({
           text: input.text,
           ...(input.files === undefined ? {} : { files: input.files }),
           ...(input.agents === undefined ? {} : { agents: input.agents }),
+          ...(input.skills === undefined ? {} : { skills: input.skills }),
         }),
     })),
   )

packages/schema/src/session-message.ts

@@ -58,6 +58,7 @@ export const User = Schema.Struct({
   text: Prompt.fields.text,
   files: Prompt.fields.files,
   agents: Prompt.fields.agents,
+  skills: Prompt.fields.skills,
   type: Schema.tag("user"),
 }).annotate({ identifier: "Session.Message.User" })
 

packages/server/src/handlers/integration.ts

@@ -58,6 +58,7 @@ export const IntegrationHandler = HttpApiBuilder.group(Api, "server.integration"
             service.connection.key({
               integrationID: ctx.params.integrationID,
               key: ctx.payload.key,
+              answer: ctx.payload.answer,
               label: ctx.payload.label,
             }),
           )
@@ -73,7 +74,7 @@ export const IntegrationHandler = HttpApiBuilder.group(Api, "server.integration"
               service.oauth.connect({
                 integrationID: ctx.params.integrationID,
                 methodID: ctx.payload.methodID,
-                inputs: ctx.payload.inputs,
+                answer: ctx.payload.answer,
                 label: ctx.payload.label,
               }),
             ),

packages/server/src/handlers/session.ts

@@ -313,6 +313,7 @@ export const SessionHandler = HttpApiBuilder.group(Api, "server.session", (handl
                 text: ctx.payload.text,
                 files: ctx.payload.files,
                 agents: ctx.payload.agents,
+                skills: ctx.payload.skills,
                 metadata: ctx.payload.metadata,
                 delivery: ctx.payload.delivery,
                 resume: ctx.payload.resume,
@@ -337,6 +338,9 @@ export const SessionHandler = HttpApiBuilder.group(Api, "server.session", (handl
                 Effect.catchTag("Session.AttachmentError", (error) =>
                   Effect.fail(new InvalidRequestError({ message: error.message, field: "files" })),
                 ),
+                Effect.catchTag("Session.SkillNotFoundError", (error) =>
+                  Effect.fail(new InvalidRequestError({ message: `Skill not found: ${error.skill}`, field: "skills" })),
+                ),
               ),
           }
         }),
@@ -355,6 +359,7 @@ export const SessionHandler = HttpApiBuilder.group(Api, "server.session", (handl
                 model: ctx.payload.model,
                 files: ctx.payload.files,
                 agents: ctx.payload.agents,
+                skills: ctx.payload.skills,
                 delivery: ctx.payload.delivery,
                 resume: ctx.payload.resume,
               })
@@ -394,6 +399,9 @@ export const SessionHandler = HttpApiBuilder.group(Api, "server.session", (handl
                 Effect.catchTag("Session.AttachmentError", (error) =>
                   Effect.fail(new InvalidRequestError({ message: error.message, field: "files" })),
                 ),
+                Effect.catchTag("Session.SkillNotFoundError", (error) =>
+                  Effect.fail(new InvalidRequestError({ message: `Skill not found: ${error.skill}`, field: "skills" })),
+                ),
               ),
           }
         }),

packages/server/src/routes.ts

@@ -28,6 +28,7 @@ import { SessionRestart } from "@opencode-ai/core/session/execution/restart"
 import { PluginRuntime } from "@opencode-ai/core/plugin/runtime"
 import { SdkPlugins } from "@opencode-ai/core/plugin/sdk"
 import { WellKnown } from "@opencode-ai/core/wellknown"
+import { WorkspaceDriver } from "@opencode-ai/core/workspace/driver"
 import { Watcher } from "@opencode-ai/core/filesystem/watcher"
 import { HttpRouter } from "effect/unstable/http"
 import { HttpApiBuilder } from "effect/unstable/httpapi"
@@ -43,6 +44,7 @@ import { formLocationLayer } from "./middleware/form-location"
 import { sessionLocationLayer } from "./middleware/session-location"
 import { ServerInfo } from "./server-info"
 import type { ServerOptions } from "./options"
+import { modalWorkspaceDriver, provider as modalProvider } from "./workspace/modal-workspace"
 
 const applicationServices = LayerNode.group([
   Database.node,
@@ -115,6 +117,10 @@ function makeRoutes<AuthError, AuthServices>(
     ],
     [PluginRuntime.node, PluginRuntime.layerWithCell(pluginRuntimeCell)],
     [PluginRuntime.providerNode, PluginRuntime.providerNodeWithCell(pluginRuntimeCell)],
+    [
+      WorkspaceDriver.node,
+      WorkspaceDriver.registryNode({ [modalProvider]: modalWorkspaceDriver({ app: "opencode-workspaces" }) }),
+    ],
   ]
   const serviceLayer = options.simulation
     ? Layer.unwrap(

packages/server/src/workspace/modal-workspace.ts

@@ -0,0 +1,128 @@
+import { WorkspaceDriver } from "@opencode-ai/core/workspace/driver"
+import { Effect, Option, Schema } from "effect"
+import type { App, Image, ModalClient, ModalClientParams, Sandbox } from "modal"
+import { createModalSandboxWithClient, makeModalDriver, type ModalImageSpec, openModalClient } from "./modal"
+
+export const provider = "modal"
+
+export const ModalBinding = Schema.Struct({
+  sandboxId: Schema.optional(Schema.String),
+  snapshotImageId: Schema.optional(Schema.String),
+})
+export type ModalBinding = typeof ModalBinding.Type
+
+export interface ModalWorkspaceOptions {
+  readonly app: string
+  readonly client?: ModalClientParams
+  readonly image?: ModalImageSpec
+}
+
+export const modalWorkspaceDriver = (options: ModalWorkspaceOptions): WorkspaceDriver.Interface => {
+  const decodeBinding = Schema.decodeUnknownOption(ModalBinding)
+  let clientPromise: Promise<ModalClient> | undefined
+  let appPromise: Promise<App> | undefined
+  // The SDK client and app handle are shared for the process lifetime of this driver.
+  const client = () => (clientPromise ??= openModalClient(options.client))
+  const app = () =>
+    (appPromise ??= client().then((value) => value.apps.fromName(options.app, { createIfMissing: true })))
+
+  const attempt = <A>(run: () => Promise<A>) =>
+    Effect.tryPromise({ try: run, catch: (cause) => new WorkspaceDriver.Error({ cause }) })
+
+  const binding = (value: WorkspaceDriver.Binding): ModalBinding => Option.getOrElse(decodeBinding(value), () => ({}))
+
+  const live = async (lookup: () => Promise<Sandbox>) => {
+    const { NotFoundError } = await import("modal")
+    const sandbox = await lookup().catch((error) => {
+      if (error instanceof NotFoundError) return undefined
+      throw error
+    })
+    if (sandbox && (await sandbox.poll()) === null) return sandbox
+  }
+
+  const findLive = async (modalClient: ModalClient, value: ModalBinding, workspaceID: string) => {
+    if (value.sandboxId) {
+      const sandboxID = value.sandboxId
+      const sandbox = await live(() => modalClient.sandboxes.fromId(sandboxID))
+      if (sandbox) return sandbox
+    }
+    // Name fallback is valid only before the first snapshot; afterward a live named sandbox is stale by design.
+    if (value.snapshotImageId) return
+    return live(() => modalClient.sandboxes.fromName(options.app, workspaceID))
+  }
+
+  const createSandbox = async (workspaceID: string, image?: Image) => {
+    const { AlreadyExistsError } = await import("modal")
+    const modalClient = await client()
+    return createModalSandboxWithClient(
+      modalClient,
+      await app(),
+      {
+        image: options.image,
+        sandbox: {
+          name: workspaceID,
+          tags: { workspace: workspaceID },
+          timeoutMs: 24 * 60 * 60 * 1000,
+        },
+      },
+      image,
+    ).catch((error) => {
+      if (error instanceof AlreadyExistsError) return modalClient.sandboxes.fromName(options.app, workspaceID)
+      throw error
+    })
+  }
+
+  const deleteImage = (modalClient: ModalClient, imageID?: string) =>
+    imageID ? attempt(() => modalClient.images.delete(imageID)).pipe(Effect.ignore) : Effect.void
+
+  const terminate = (sandbox?: Sandbox) =>
+    sandbox ? attempt(() => sandbox.terminate({ wait: true })).pipe(Effect.ignore) : Effect.void
+
+  return WorkspaceDriver.make({
+    create: ({ workspaceID }) =>
+      attempt(async () => {
+        const sandbox = await createSandbox(workspaceID)
+        return { binding: { sandboxId: sandbox.sandboxId } }
+      }),
+    connect: ({ workspaceID, binding: value, saveBinding }) =>
+      Effect.gen(function* () {
+        const modalBinding = binding(value)
+        const modalClient = yield* attempt(client)
+        const sandbox = yield* attempt(async () => {
+          const existing = await findLive(modalClient, modalBinding, workspaceID)
+          const image =
+            existing || !modalBinding.snapshotImageId
+              ? undefined
+              : await modalClient.images.fromId(modalBinding.snapshotImageId)
+          return existing ?? createSandbox(workspaceID, image)
+        })
+        if (modalBinding.sandboxId !== sandbox.sandboxId) {
+          yield* saveBinding({ ...modalBinding, sandboxId: sandbox.sandboxId })
+        }
+        return makeModalDriver(sandbox)
+      }),
+    suspendForIdle: ({ workspaceID, binding: value, saveBinding }) =>
+      Effect.gen(function* () {
+        const modalBinding = binding(value)
+        const modalClient = yield* attempt(client)
+        const sandbox = yield* attempt(() => findLive(modalClient, modalBinding, workspaceID))
+        if (!sandbox) return
+        const snapshot = yield* attempt(() => sandbox.snapshotFilesystem({ ttlMs: null }))
+        yield* saveBinding({ snapshotImageId: snapshot.imageId })
+        yield* Effect.all([deleteImage(modalClient, modalBinding.snapshotImageId), terminate(sandbox)], {
+          concurrency: "unbounded",
+          discard: true,
+        })
+      }),
+    destroy: ({ workspaceID, binding: value }) =>
+      Effect.gen(function* () {
+        const modalBinding = binding(value)
+        const modalClient = yield* attempt(client)
+        const sandbox = yield* attempt(() => findLive(modalClient, modalBinding, workspaceID))
+        yield* Effect.all([terminate(sandbox), deleteImage(modalClient, modalBinding.snapshotImageId)], {
+          concurrency: "unbounded",
+          discard: true,
+        })
+      }),
+  })
+}

packages/server/src/workspace/modal.ts

@@ -3,7 +3,7 @@ import { systemError } from "effect/PlatformError"
 import type { Command, KillOptions } from "effect/unstable/process/ChildProcess"
 import { ExitCode, make, makeHandle, ProcessId } from "effect/unstable/process/ChildProcessSpawner"
 import type { Driver } from "@opencode-ai/core/environment"
-import type { ModalClientParams, Sandbox, SandboxCreateParams } from "modal"
+import type { App, Image, ModalClient, ModalClientParams, Sandbox, SandboxCreateParams } from "modal"
 
 const INNER_WRAPPER = `
 pidfile=$1
@@ -44,13 +44,16 @@ export interface ModalImageSpec {
   readonly dockerfileCommands: ReadonlyArray<string>
 }
 
-export interface ModalSandboxOptions {
-  readonly app: string
-  readonly client?: ModalClientParams
+export interface ModalSandboxCreateOptions {
   readonly image?: ModalImageSpec
   readonly sandbox?: SandboxCreateParams
 }
 
+export interface ModalSandboxOptions extends ModalSandboxCreateOptions {
+  readonly app: string
+  readonly client?: ModalClientParams
+}
+
 /**
  * Ubuntu supplies the GNU coreutils and findutils required by the derived Files
  * scripts. Busybox images do not satisfy the Environment contract.
@@ -64,19 +67,11 @@ export const ubuntuImage: ModalImageSpec = {
 
 /** Creates a Modal sandbox lazily, keeping the SDK off the server startup path when Modal is unused. */
 export const createModalSandbox = async (options: ModalSandboxOptions) => {
-  const { ModalClient } = await import("modal")
-  const client = new ModalClient(options.client)
+  const client = await openModalClient(options.client)
   const app = await client.apps.fromName(options.app, { createIfMissing: true })
-  const imageSpec = options.image ?? ubuntuImage
-  const image = client.images.fromRegistry(imageSpec.registry).dockerfileCommands([...imageSpec.dockerfileCommands])
-  // Always Modal's Full-VM runtime (beta, enabled per account): a real kernel
-  // with real device nodes, so workspaces can run Docker and other
-  // kernel-dependent workloads. Costs versus gVisor, measured Aug 2026:
-  // per-exec floor ~285-535ms versus ~90-165ms, and filesystem snapshots only
-  // (no memory snapshots — acceptable; fs-snapshot is the persistence design).
-  const sandbox = await client.sandboxes.create(app, image, {
-    ...options.sandbox,
-    experimentalOptions: { ...options.sandbox?.experimentalOptions, vm_runtime: true },
+  const sandbox = await createModalSandboxWithClient(client, app, {
+    image: options.image,
+    sandbox: options.sandbox,
   })
   return {
     driver: makeModalDriver(sandbox),
@@ -85,6 +80,32 @@ export const createModalSandbox = async (options: ModalSandboxOptions) => {
   }
 }
 
+export const openModalClient = async (params?: ModalClientParams) => {
+  const { ModalClient } = await import("modal")
+  return new ModalClient(params)
+}
+
+export const createModalSandboxWithClient = async (
+  client: ModalClient,
+  app: App,
+  options: ModalSandboxCreateOptions,
+  existingImage?: Image,
+) => {
+  const imageSpec = options.image ?? ubuntuImage
+  const image =
+    existingImage ??
+    client.images.fromRegistry(imageSpec.registry).dockerfileCommands([...imageSpec.dockerfileCommands])
+  // Always Modal's Full-VM runtime (beta, enabled per account): a real kernel
+  // with real device nodes, so workspaces can run Docker and other
+  // kernel-dependent workloads. Costs versus gVisor, measured Aug 2026:
+  // per-exec floor ~285-535ms versus ~90-165ms, and filesystem snapshots only
+  // (no memory snapshots — acceptable; fs-snapshot is the persistence design).
+  return client.sandboxes.create(app, image, {
+    ...options.sandbox,
+    experimentalOptions: { ...options.sandbox?.experimentalOptions, vm_runtime: true },
+  })
+}
+
 /**
  * Adapts Modal exec to the Environment driver. Files intentionally has no native
  * overrides: exec latency dominates payload work (VM runtime floor measured

packages/server/test/workspace-modal.test.ts

@@ -0,0 +1,54 @@
+import fs from "node:fs"
+import os from "node:os"
+import path from "node:path"
+import { expect, test } from "bun:test"
+import { AppNodeBuilder } from "@opencode-ai/core/effect/app-node-builder"
+import { makeFiles } from "@opencode-ai/core/environment"
+import { Workspace } from "@opencode-ai/core/workspace"
+import { WorkspaceDriver } from "@opencode-ai/core/workspace/driver"
+import { Effect, Layer } from "effect"
+import { TestClock } from "effect/testing"
+import { modalWorkspaceDriver, provider } from "../src/workspace/modal-workspace"
+
+const enabled =
+  !!process.env.OPENCODE_TEST_MODAL &&
+  ((!!process.env.MODAL_TOKEN_ID && !!process.env.MODAL_TOKEN_SECRET) ||
+    fs.existsSync(path.join(os.homedir(), ".modal.toml")))
+
+const testLayer = Layer.provideMerge(
+  AppNodeBuilder.build(Workspace.configured({ idleThreshold: "1 minute", pollInterval: "1 minute" }), [
+    [
+      WorkspaceDriver.node,
+      WorkspaceDriver.registryNode({ [provider]: modalWorkspaceDriver({ app: "opencode-workspace-tests" }) }),
+    ],
+  ]),
+  TestClock.layer(),
+)
+const modalTest = enabled ? test : test.skip
+
+modalTest(
+  "wakes a workspace from its filesystem snapshot",
+  () =>
+    Effect.runPromise(
+      Effect.gen(function* () {
+        const workspace = yield* Workspace.Service
+        yield* Effect.acquireUseRelease(
+          workspace.create(provider),
+          (created) =>
+            Effect.gen(function* () {
+              const environment = yield* workspace.connect(created.id)
+              const files = makeFiles(environment)
+              const file = `/tmp/opencode-workspace-${crypto.randomUUID()}.txt`
+              yield* files.write(file, new TextEncoder().encode("survived snapshot"))
+
+              yield* TestClock.adjust("2 minutes")
+
+              const restored = yield* files.read(file)
+              expect(new TextDecoder().decode(restored.bytes)).toBe("survived snapshot")
+            }),
+          (created) => workspace.destroy(created.id).pipe(Effect.ignore),
+        )
+      }).pipe(Effect.scoped, Effect.provide(testLayer)),
+    ),
+  180_000,
+)

packages/theme/src/tui/syntax.ts

@@ -12,6 +12,7 @@ export function generateSyntax(theme: ResolvedThemeTokens, mode: Mode) {
     rule(["prompt"], theme.hue.accent[step]),
     rule(["extmark.file"], feedback.warning.default, { bold: true }),
     rule(["extmark.agent"], theme.categorical[0][step], { bold: true }),
+    rule(["extmark.skill"], theme.categorical[1][step], { bold: true }),
     // V1 migration preserves its selected/inverse foreground in this action state.
     rule(["extmark.paste"], theme.text.action.primary.focused, {
       background: feedback.warning.default,

packages/tui/src/app.tsx

@@ -118,6 +118,7 @@ const sessionTabBindingCommands = [
   "session.tab.select.7",
   "session.tab.select.8",
   "session.tab.select.9",
+  "session.tab.select.10",
 ] as const
 
 const pinnedSessionBindingCommands = [
@@ -714,7 +715,7 @@ function App(props: { pair?: DialogPairCredentials }) {
         enabled: sessionTabs.enabled,
         run: () => sessionTabs.reopen(),
       },
-      ...Array.from({ length: 9 }, (_, i) => ({
+      ...Array.from({ length: 10 }, (_, i) => ({
         name: `session.tab.select.${i + 1}`,
         title: `Switch to tab ${i + 1}`,
         category: "Session",

packages/tui/src/component/dialog-integration.tsx

@@ -5,6 +5,10 @@ import type {
   IntegrationInfo,
   IntegrationOauthConnectOutput,
   IntegrationOAuthMethod,
+  FormAnswer,
+  FormField,
+  FormFields,
+  FormValue,
 } from "@opencode-ai/client"
 import open from "open"
 import { createMemo, createSignal, onCleanup, onMount, Show } from "solid-js"
@@ -18,6 +22,7 @@ import { DialogPrompt } from "../ui/dialog-prompt"
 import { DialogSelect } from "../ui/dialog-select"
 import { Link } from "../ui/link"
 import { useToast } from "../ui/toast"
+import { formLabel, formToggleMultiselect, formValidateValue, type FormAnswerField } from "../util/form"
 
 const INTEGRATION_PRIORITY: Record<string, number> = {
   opencode: 0,
@@ -32,6 +37,10 @@ type ConnectMethod = Exclude<IntegrationInfo["methods"][number], { type: "env" }
 type IntegrationAttempt = IntegrationOauthConnectOutput["data"]
 type CommandAttempt = IntegrationCommandConnectOutput["data"]
 type OnIntegrationConnected = (providerID?: string) => void
+const CANCELLED = Symbol("cancelled")
+const CUSTOM = Symbol("custom")
+const OPEN = Symbol("open")
+const SUBMIT = Symbol("submit")
 
 export function integrationOptions(list: IntegrationInfo[]) {
   return list.toSorted(
@@ -181,7 +190,7 @@ function openMethod(
   onConnected?: OnIntegrationConnected,
 ) {
   if (method.type === "key") {
-    dialog.replace(() => <KeyMethod integration={integration} method={method} onConnected={onConnected} />)
+    void beginKey(integration, method, dialog, onConnected)
     return
   }
   if (method.type === "command") {
@@ -191,6 +200,21 @@ function openMethod(
   void beginOAuth(integration, method, dialog, onConnected)
 }
 
+async function beginKey(
+  integration: IntegrationInfo,
+  method: Extract<ConnectMethod, { type: "key" }>,
+  dialog: ReturnType<typeof useDialog>,
+  onConnected?: OnIntegrationConnected,
+) {
+  const answer = method.form
+    ? await formAnswer(dialog, method.label ?? `Connect ${integration.name}`, method.form)
+    : undefined
+  if (answer === null) return
+  dialog.replace(() => (
+    <KeyMethod integration={integration} method={method} answer={answer} onConnected={onConnected} />
+  ))
+}
+
 function CommandStarting(props: {
   integration: IntegrationInfo
   method: Extract<ConnectMethod, { type: "command" }>
@@ -336,6 +360,7 @@ function CommandView(props: { title: string; output: string; message: string })
 function KeyMethod(props: {
   integration: IntegrationInfo
   method: Extract<ConnectMethod, { type: "key" }>
+  answer?: FormAnswer
   onConnected?: OnIntegrationConnected
 }) {
   const data = useData()
@@ -356,6 +381,7 @@ function KeyMethod(props: {
             integrationID: props.integration.id,
             location: location(data),
             key,
+            ...(props.answer ? { answer: props.answer } : {}),
           })
           .then(() => connected(props.integration, data, dialog, toast, props.onConnected))
           .catch((cause) => setError(message(cause)))
@@ -373,17 +399,17 @@ async function beginOAuth(
   dialog: ReturnType<typeof useDialog>,
   onConnected?: OnIntegrationConnected,
 ) {
-  const inputs = method.prompts?.length ? await promptInputs(dialog, method.prompts) : {}
-  if (inputs === null) return
+  const answer = method.form ? await formAnswer(dialog, method.label, method.form) : undefined
+  if (answer === null) return
   dialog.replace(() => (
-    <OAuthStarting integration={integration} method={method} inputs={inputs} onConnected={onConnected} />
+    <OAuthStarting integration={integration} method={method} answer={answer} onConnected={onConnected} />
   ))
 }
 
 function OAuthStarting(props: {
   integration: IntegrationInfo
   method: IntegrationOAuthMethod
-  inputs: Record<string, string>
+  answer?: FormAnswer
   onConnected?: OnIntegrationConnected
 }) {
   const data = useData()
@@ -397,7 +423,7 @@ function OAuthStarting(props: {
         integrationID: props.integration.id,
         location: location(data),
         methodID: props.method.id,
-        inputs: props.inputs,
+        ...(props.answer ? { answer: props.answer } : {}),
       })
       .then((result) => {
         if (result.data.mode === "code") {
@@ -621,49 +647,234 @@ function OAuthView(props: {
   )
 }
 
-async function promptInputs(
+async function formAnswer(dialog: ReturnType<typeof useDialog>, title: string, fields: FormFields) {
+  const answer: FormAnswer = {}
+  for (const field of fields) {
+    if (!active(field, answer)) continue
+    const value = await fieldAnswer(dialog, title, field)
+    if (value === CANCELLED) return null
+    if (value !== undefined) answer[field.key] = value
+  }
+  return answer
+}
+
+function active(field: FormField, answer: FormAnswer) {
+  if (field.type === "external" || !field.when) return true
+  return field.when.every((when) => {
+    const value = answer[when.key]
+    if (value === undefined) return false
+    const hit = Array.isArray(value) ? value.includes(String(when.value)) : value === when.value
+    return when.op === "eq" ? hit : !hit
+  })
+}
+
+function fieldAnswer(
   dialog: ReturnType<typeof useDialog>,
-  prompts: NonNullable<IntegrationOAuthMethod["prompts"]>,
-) {
-  const inputs: Record<string, string> = {}
-  for (const prompt of prompts) {
-    if (prompt.when) {
-      const value = inputs[prompt.when.key]
-      if (value === undefined) continue
-      const matches = prompt.when.op === "eq" ? value === prompt.when.value : value !== prompt.when.value
-      if (!matches) continue
-    }
-    if (prompt.type === "select") {
-      const value = await new Promise<string | null>((resolve) => {
-        dialog.replace(
-          () => (
-            <DialogSelect
-              title={prompt.message}
-              options={prompt.options.map((option) => ({
-                title: option.label,
-                value: option.value,
-                description: option.hint,
-              }))}
-              onSelect={(option) => resolve(option.value)}
-            />
-          ),
-          () => resolve(null),
+  title: string,
+  field: FormField,
+): Promise<FormValue | undefined | typeof CANCELLED> {
+  if (field.type === "external") return externalAnswer(dialog, title, field)
+  if (field.type === "multiselect") return multiselectAnswer(dialog, title, field)
+  if (field.type === "boolean" || (field.type === "string" && field.options)) {
+    return selectAnswer(dialog, title, field)
+  }
+  return textAnswer(dialog, title, field)
+}
+
+async function selectAnswer(
+  dialog: ReturnType<typeof useDialog>,
+  title: string,
+  field: Extract<FormAnswerField, { type: "boolean" | "string" }>,
+): Promise<FormValue | undefined | typeof CANCELLED> {
+  const options =
+    field.type === "boolean"
+      ? field.default === false
+        ? [
+            { title: "No", value: false as FormValue },
+            { title: "Yes", value: true as FormValue },
+          ]
+        : [
+            { title: "Yes", value: true as FormValue },
+            { title: "No", value: false as FormValue },
+          ]
+      : (field.options ?? []).map((option) => ({
+          title: option.label,
+          value: option.value as FormValue,
+          description: option.description,
+        }))
+  const choice = await new Promise<FormValue | typeof CUSTOM | undefined | typeof CANCELLED>((resolve) => {
+    dialog.replace(
+      () => (
+        <DialogSelect<FormValue | typeof CUSTOM | undefined>
+          title={formLabel(field) || title}
+          options={[
+            ...options,
+            ...(field.type === "string" && field.custom
+              ? [{ title: "Type your own answer", value: CUSTOM as typeof CUSTOM }]
+              : []),
+            ...(!field.required ? [{ title: "Skip", value: undefined }] : []),
+          ]}
+          current={field.type === "string" ? field.default : undefined}
+          onSelect={(option) => resolve(option.value)}
+        />
+      ),
+      () => resolve(CANCELLED),
+    )
+  })
+  if (choice === CUSTOM) {
+    if (field.type !== "string") return CANCELLED
+    return textAnswer(dialog, title, field, "")
+  }
+  return choice
+}
+
+function textAnswer(
+  dialog: ReturnType<typeof useDialog>,
+  title: string,
+  field: Extract<FormAnswerField, { type: "string" | "number" | "integer" }>,
+  initial = field.default === undefined ? undefined : String(field.default),
+): Promise<FormValue | undefined | typeof CANCELLED> {
+  return new Promise<FormValue | undefined | typeof CANCELLED>((resolve) => {
+    dialog.replace(
+      () => {
+        const theme = useTheme("elevated")
+        const [error, setError] = createSignal<string>()
+        return (
+          <DialogPrompt
+            title={formLabel(field) || title}
+            placeholder={field.type === "string" ? field.placeholder : undefined}
+            value={initial}
+            onConfirm={(input) => {
+              const text = input.trim()
+              const value = text === "" && !field.required ? undefined : field.type === "string" ? text : Number(text)
+              const invalid = formValidateValue(field, value)
+              if (invalid) {
+                setError(invalid)
+                return
+              }
+              resolve(value)
+            }}
+            description={() => (
+              <box gap={1}>
+                <Show when={field.description}>
+                  {(description) => <text fg={theme.text.subdued}>{description()}</text>}
+                </Show>
+                <Show when={error()}>{(value) => <text fg={theme.text.feedback.error.default}>{value()}</text>}</Show>
+              </box>
+            )}
+          />
         )
-      })
-      if (value === null) return null
-      inputs[prompt.key] = value
-      continue
-    }
-    const value = await new Promise<string | null>((resolve) => {
+      },
+      () => resolve(CANCELLED),
+    )
+  })
+}
+
+async function multiselectAnswer(
+  dialog: ReturnType<typeof useDialog>,
+  title: string,
+  field: Extract<FormAnswerField, { type: "multiselect" }>,
+): Promise<FormValue | typeof CANCELLED> {
+  const selected = field.default ? [...field.default] : []
+  while (true) {
+    const invalid = formValidateValue(field, selected)
+    const choice = await new Promise<string | typeof CUSTOM | typeof SUBMIT | typeof CANCELLED>((resolve) => {
       dialog.replace(
-        () => <DialogPrompt title={prompt.message} placeholder={prompt.placeholder} onConfirm={resolve} />,
-        () => resolve(null),
+        () => (
+          <DialogSelect<string | typeof CUSTOM | typeof SUBMIT>
+            title={formLabel(field) || title}
+            options={[
+              ...field.options.map((option) => ({
+                title: `[${selected.includes(option.value) ? "x" : " "}] ${option.label}`,
+                value: option.value,
+                description: option.description,
+                disabled:
+                  !selected.includes(option.value) && field.maxItems !== undefined && selected.length >= field.maxItems,
+              })),
+              ...(field.custom ? [{ title: "Type your own answer", value: CUSTOM as typeof CUSTOM }] : []),
+              {
+                title: "Continue",
+                value: SUBMIT as typeof SUBMIT,
+                description: invalid,
+                disabled: invalid !== undefined,
+              },
+            ]}
+            onSelect={(option) => resolve(option.value)}
+          />
+        ),
+        () => resolve(CANCELLED),
       )
     })
-    if (value === null) return null
-    inputs[prompt.key] = value
+    if (choice === CANCELLED) return CANCELLED
+    if (choice === SUBMIT) return selected
+    if (choice === CUSTOM) {
+      const value = await customAnswer(dialog, title, field)
+      if (value === CANCELLED) return CANCELLED
+      if (value && !selected.includes(value)) selected.push(value)
+      continue
+    }
+    selected.splice(0, selected.length, ...formToggleMultiselect(selected, choice))
+  }
+}
+
+function customAnswer(
+  dialog: ReturnType<typeof useDialog>,
+  title: string,
+  field: Extract<FormAnswerField, { type: "multiselect" }>,
+): Promise<string | typeof CANCELLED> {
+  return new Promise<string | typeof CANCELLED>((resolve) => {
+    dialog.replace(
+      () => (
+        <DialogPrompt
+          title={formLabel(field) || title}
+          placeholder="Type your own answer"
+          onConfirm={(value) => {
+            if (value) resolve(value)
+          }}
+        />
+      ),
+      () => resolve(CANCELLED),
+    )
+  })
+}
+
+async function externalAnswer(
+  dialog: ReturnType<typeof useDialog>,
+  title: string,
+  field: Extract<FormField, { type: "external" }>,
+): Promise<true | typeof CANCELLED> {
+  let opened = false
+  while (true) {
+    const choice = await new Promise<true | typeof OPEN | typeof CANCELLED>((resolve) => {
+      dialog.replace(
+        () => (
+          <DialogSelect<true | typeof OPEN>
+            title={formLabel(field) || title}
+            options={[
+              { title: opened ? "Open link again" : "Open link", value: OPEN as typeof OPEN, description: field.url },
+              { title: "I finished", value: true as const, description: field.description, disabled: !opened },
+            ]}
+            onSelect={(option) => resolve(option.value)}
+          />
+        ),
+        () => resolve(CANCELLED),
+      )
+    })
+    if (choice === CANCELLED) return CANCELLED
+    if (choice === true) return true
+    const result = await new Promise<boolean | typeof CANCELLED>((resolve) => {
+      dialog.replace(
+        () => <OAuthView title={formLabel(field) || title} message="Opening link..." />,
+        () => resolve(CANCELLED),
+      )
+      void open(field.url).then(
+        () => resolve(true),
+        () => resolve(false),
+      )
+    })
+    if (result === CANCELLED) return CANCELLED
+    opened ||= result
   }
-  return inputs
 }
 
 async function connected(

packages/tui/src/component/prompt/autocomplete.tsx

@@ -19,8 +19,9 @@ import { Locale } from "../../util/locale"
 import type { PromptInfo, PromptPartRef } from "../../prompt/history"
 import { useFrecency } from "../../prompt/frecency"
 import { Keymap } from "../../context/keymap"
-import { displayCharAt, mentionTriggerIndex } from "../../prompt/display"
+import { displayCharAt, mentionTriggerIndex, slashTriggerIndex } from "../../prompt/display"
 import type { FileSystemEntry } from "@opencode-ai/client"
+import { Skill } from "@opencode-ai/schema/skill"
 import { stringWidth } from "../../util/string-width"
 import { parseFileLineRange, stripFileLineRange } from "../../prompt/parse"
 import { moveSelection, revealSelectionOffset } from "../../ui/select-controller"
@@ -39,6 +40,7 @@ export type AutocompleteOption = {
   isDirectory?: boolean
   onSelect?: () => void
   path?: string
+  kind?: "skill"
 }
 
 export function Autocomplete(props: {
@@ -51,6 +53,8 @@ export function Autocomplete(props: {
   ref: (ref: AutocompleteRef) => void
   fileStyleId: number
   agentStyleId: number
+  skillStyleId: number
+  hasSkill: (id: string) => boolean
   promptPartTypeId: () => number
 }) {
   const editor = useEditorContext()
@@ -140,14 +144,17 @@ export function Autocomplete(props: {
     text: string,
     part:
       | { type: "file"; value: NonNullable<PromptInfo["files"]>[number]; path?: string }
-      | { type: "agent"; value: NonNullable<PromptInfo["agents"]>[number] },
+      | { type: "agent"; value: NonNullable<PromptInfo["agents"]>[number] }
+      | { type: "skill"; value: NonNullable<PromptInfo["skills"]>[number] },
   ) {
+    if (part.type === "skill" && props.hasSkill(part.value.id)) return
     const input = props.input()
     const currentCursorOffset = input.cursorOffset
 
     const charAfterCursor = displayCharAt(props.value, currentCursorOffset)
     const needsSpace = charAfterCursor !== " "
-    const append = "@" + text + (needsSpace ? " " : "")
+    const prefix = part.type === "skill" ? "/" : "@"
+    const append = prefix + text + (needsSpace ? " " : "")
 
     input.cursorOffset = store.index
     const startCursor = input.logicalCursor
@@ -157,11 +164,12 @@ export function Autocomplete(props: {
     input.deleteRange(startCursor.row, startCursor.col, endCursor.row, endCursor.col)
     input.insertText(append)
 
-    const virtualText = "@" + text
+    const virtualText = prefix + text
     const extmarkStart = store.index
     const extmarkEnd = extmarkStart + stringWidth(virtualText)
 
-    const styleId = part.type === "file" ? props.fileStyleId : props.agentStyleId
+    const styleId =
+      part.type === "file" ? props.fileStyleId : part.type === "skill" ? props.skillStyleId : props.agentStyleId
 
     const extmarkId = input.extmarks.create({
       start: extmarkStart,
@@ -195,6 +203,20 @@ export function Autocomplete(props: {
         return
       }
 
+      if (part.type === "skill") {
+        const skills = (draft.skills ??= [])
+        if (skills.some((skill) => skill.id === part.value.id)) return
+        if (part.value.mention) {
+          part.value.mention.start = extmarkStart
+          part.value.mention.end = extmarkEnd
+          part.value.mention.text = virtualText
+        }
+        const index = skills.length
+        skills.push(part.value)
+        props.setExtmark({ type: "skill", index }, extmarkId)
+        return
+      }
+
       const agents = (draft.agents ??= [])
       if (part.value.mention) {
         part.value.mention.start = extmarkStart
@@ -433,7 +455,12 @@ export function Autocomplete(props: {
       results.push({
         display: "/" + skill.id,
         description: skill.description,
-        onSelect: () => insertSlash(skill.id),
+        kind: "skill",
+        onSelect: () =>
+          insertPart(skill.id, {
+            type: "skill",
+            value: { id: Skill.ID.make(skill.id), mention: { start: 0, end: 0, text: "" } },
+          }),
       })
     }
 
@@ -463,7 +490,11 @@ export function Autocomplete(props: {
     // it shouldn't be additionally sorted by fuzzysort as it will loose the results
     const fileOptions: AutocompleteOption[] = store.visible === "@" ? fileSearch.options : []
     const nonFileOptions: AutocompleteOption[] =
-      store.visible === "@" ? [...referenceAliasesValue, ...agentsValue, ...mcpResources()] : [...commandsValue]
+      store.visible === "@"
+        ? [...referenceAliasesValue, ...agentsValue, ...mcpResources()]
+        : store.index === 0
+          ? [...commandsValue]
+          : commandsValue.filter((item) => item.kind === "skill")
 
     if (!searchValue) {
       return [...nonFileOptions, ...fileOptions]
@@ -520,7 +551,7 @@ export function Autocomplete(props: {
   function select() {
     const selected = options()[store.selected]
     if (!selected) return
-    hide()
+    hide(true)
     selected.onSelect?.()
   }
 
@@ -608,14 +639,18 @@ export function Autocomplete(props: {
     })
   }
 
-  function hide() {
-    const text = props.input().plainText
-    if (store.visible === "/" && !text.endsWith(" ") && text.startsWith("/")) {
-      const cursor = props.input().logicalCursor
-      props.input().deleteRange(0, 0, cursor.row, cursor.col)
+  function hide(removeToken = false) {
+    if (removeToken && store.visible === "/") {
+      const input = props.input()
+      const cursorOffset = input.cursorOffset
+      input.cursorOffset = store.index
+      const start = input.logicalCursor
+      input.cursorOffset = cursorOffset
+      const end = input.logicalCursor
+      input.deleteRange(start.row, start.col, end.row, end.col)
       // Sync the prompt store immediately since onContentChange is async
       props.setPrompt((draft) => {
-        draft.text = props.input().plainText
+        draft.text = input.plainText
       })
     }
     setStore("visible", false)
@@ -640,9 +675,7 @@ export function Autocomplete(props: {
             // Typed text before the trigger
             props.input().cursorOffset <= store.index ||
             // There is a space between the trigger and the cursor
-            props.input().getTextRange(store.index, props.input().cursorOffset).match(/\s/) ||
-            // "/<command>" is not the sole content
-            (store.visible === "/" && value.match(/^\S+\s+\S+\s*$/))
+            props.input().getTextRange(store.index, props.input().cursorOffset).match(/\s/)
           ) {
             hide()
           }
@@ -653,10 +686,10 @@ export function Autocomplete(props: {
         const offset = props.input().cursorOffset
         if (offset === 0) return
 
-        // Check for "/" at position 0 - reopen slash commands
-        if (value.startsWith("/") && !value.slice(0, offset).match(/\s/)) {
+        const slash = slashTriggerIndex(value, offset)
+        if (slash !== undefined) {
           show("/")
-          setStore("index", 0)
+          setStore("index", slash)
           return
         }
 

packages/tui/src/component/prompt/index.tsx

@@ -29,6 +29,7 @@ import { parseSlashHead } from "../../prompt/parse"
 import { stringWidth } from "../../util/string-width"
 import { createStore, produce, unwrap } from "solid-js/store"
 import { emptyPrompt, usePromptHistory, type PromptInfo, type PromptPartRef } from "../../prompt/history"
+import { Skill } from "@opencode-ai/schema/skill"
 import { computePromptTraits } from "../../prompt/traits"
 import { expandPastedTextPlaceholders, expandTrackedPastedText } from "../../prompt/part"
 import { usePromptStash } from "../../prompt/stash"
@@ -273,6 +274,7 @@ export function Prompt(props: PromptProps) {
   }
   const fileStyleId = syntax().getStyleId("extmark.file")!
   const agentStyleId = syntax().getStyleId("extmark.agent")!
+  const skillStyleId = syntax().getStyleId("extmark.skill")!
   const pasteStyleId = syntax().getStyleId("extmark.paste")!
   let promptPartTypeId = 0
   const event = useEvent()
@@ -493,12 +495,29 @@ export function Prompt(props: PromptProps) {
             <DialogSkill
               location={currentLocation.current}
               onSelect={(skill) => {
-                input.setText(`/${skill} `)
-                setStore("prompt", {
-                  ...emptyPrompt(),
-                  text: `/${skill} `,
+                if (store.prompt.skills?.some((item) => item.id === skill)) return
+                const text = `/${skill}`
+                const start = input.cursorOffset
+                input.insertText(text + " ")
+                const extmarkId = input.extmarks.create({
+                  start,
+                  end: start + promptOffsetWidth(text),
+                  virtual: true,
+                  styleId: skillStyleId,
+                  typeId: promptPartTypeId,
                 })
-                input.gotoBufferEnd()
+                setStore(
+                  produce((draft) => {
+                    draft.prompt.text = input.plainText
+                    const skills = (draft.prompt.skills ??= [])
+                    const index = skills.length
+                    skills.push({
+                      id: Skill.ID.make(skill),
+                      mention: { start, end: start + promptOffsetWidth(text), text },
+                    })
+                    draft.extmarkToPart.set(extmarkId, { type: "skill", index })
+                  }),
+                )
               }}
             />
           ))
@@ -639,6 +658,11 @@ export function Prompt(props: PromptProps) {
         ref: { type: "agent" as const, index },
         styleId: agentStyleId,
       })),
+      ...(prompt.skills ?? []).map((part, index) => ({
+        mention: part.mention,
+        ref: { type: "skill" as const, index },
+        styleId: skillStyleId,
+      })),
       ...prompt.pasted.map((part, index) => ({
         mention: part.source,
         ref: { type: "pasted" as const, index },
@@ -671,6 +695,7 @@ export function Prompt(props: PromptProps) {
         const newMap = new Map<number, PromptPartRef>()
         const files: NonNullable<PromptInfo["files"]> = []
         const agents: NonNullable<PromptInfo["agents"]> = []
+        const skills: NonNullable<PromptInfo["skills"]> = []
         const pasted: PromptInfo["pasted"] = []
 
         for (const extmark of allExtmarks) {
@@ -696,6 +721,16 @@ export function Prompt(props: PromptProps) {
             newMap.set(extmark.id, { type: "agent", index })
             continue
           }
+          if (ref.type === "skill") {
+            const part = draft.prompt.skills?.[ref.index]
+            if (!part?.mention) continue
+            part.mention.start = extmark.start
+            part.mention.end = extmark.end
+            const index = skills.length
+            skills.push(part)
+            newMap.set(extmark.id, { type: "skill", index })
+            continue
+          }
           const part = draft.prompt.pasted[ref.index]
           if (!part) continue
           part.source.start = extmark.start
@@ -708,6 +743,7 @@ export function Prompt(props: PromptProps) {
         draft.extmarkToPart = newMap
         draft.prompt.files = files
         draft.prompt.agents = agents
+        draft.prompt.skills = skills
         draft.prompt.pasted = pasted
       }),
     )
@@ -983,6 +1019,7 @@ export function Prompt(props: PromptProps) {
     )
     const slashHead = parseSlashHead(inputText, /\s/)
     const isSkill =
+      !(store.prompt.skills?.length ?? 0) &&
       slashHead !== undefined &&
       (data.location.skill.list(currentLocation.ref) ?? []).some(
         (skill) => skill.slash === true && skill.id === slashHead.name,
@@ -1080,6 +1117,7 @@ export function Prompt(props: PromptProps) {
           model,
           files: store.prompt.files,
           agents: store.prompt.agents,
+          skills: store.prompt.skills?.length ? store.prompt.skills : undefined,
           delivery,
         })
         .catch((error) => {
@@ -1146,6 +1184,7 @@ export function Prompt(props: PromptProps) {
           text: inputText,
           files: store.prompt.files,
           agents: store.prompt.agents,
+          skills: store.prompt.skills?.length ? store.prompt.skills : undefined,
           delivery,
         })
         .then(
@@ -1685,6 +1724,8 @@ export function Prompt(props: PromptProps) {
         value={store.prompt.text}
         fileStyleId={fileStyleId}
         agentStyleId={agentStyleId}
+        skillStyleId={skillStyleId}
+        hasSkill={(id) => store.prompt.skills?.some((skill) => skill.id === id) ?? false}
         promptPartTypeId={() => promptPartTypeId}
       />
     </>

packages/tui/src/component/session-tabs.tsx

@@ -10,6 +10,7 @@ import {
   moveSessionTab,
   NEW_SESSION_TAB_TITLE,
   sessionTabComplete,
+  sessionTabShortcutLabel,
   seedSessionTabMotion,
   sessionTabOverflowWidth,
   type SessionTab,
@@ -140,7 +141,7 @@ function VerticalSessionTabs(props: { controller?: SessionTabsController; animat
                 const value = session()
                 return value ? data.project.get(value.projectID) : undefined
               })
-              const numberWidth = () => String(index() + 1).length + 1
+              const numberWidth = () => 2
               const titleWidth = () => Math.max(1, width() - numberWidth() - 2 - (hovered() === tab.sessionID ? 1 : 0))
               const title = () => tab.title ?? "Untitled session"
               const visibleTitle = createMemo(() => Locale.takeWidth(title(), titleWidth()))
@@ -311,7 +312,7 @@ function VerticalSessionTabs(props: { controller?: SessionTabsController; animat
                         selectable={false}
                         attributes={selected() ? TextAttributes.BOLD : undefined}
                       >
-                        {index() + 1}
+                        {sessionTabShortcutLabel(index())}
                       </text>
                       <text
                         width={titleWidth()}
@@ -555,8 +556,8 @@ function HorizontalSessionTabs(props: { controller?: SessionTabsController; anim
           const glows = () => !selected() && (status().attention || (!status().busy && status().unread !== undefined))
           const title = () => tab.title ?? "Untitled session"
           const tabNumber = createMemo(() => items().findIndex((item) => item.sessionID === tab.sessionID) + 1)
-          // The number cell keeps one trailing space, even for double-digit tabs.
-          const numberWidth = () => String(tabNumber()).length + 1
+          // Shortcut labels stay one cell wide: 1-9, 0 for ten, then a neutral dot.
+          const numberWidth = () => 2
           // Hovering reveals the close mark, so the title's right bound shifts left of it.
           const availableTitleWidth = () =>
             Math.max(1, width() - 1 - numberWidth() - (hovered() === tab.sessionID ? 2 : 0))
@@ -639,7 +640,7 @@ function HorizontalSessionTabs(props: { controller?: SessionTabsController; anim
                   {" "}
                 </text>
                 <text width={numberWidth()} fg={numberColor()} selectable={false} attributes={bold()}>
-                  {tabNumber()}
+                  {sessionTabShortcutLabel(tabNumber() - 1)}
                 </text>
                 <text
                   width={availableTitleWidth()}

packages/tui/src/config/v1/keybind.ts

@@ -126,6 +126,7 @@ export const Definitions = {
   session_tab_select_7: keybind("<leader>7,ctrl+7", "Switch to tab 7"),
   session_tab_select_8: keybind("<leader>8,ctrl+8", "Switch to tab 8"),
   session_tab_select_9: keybind("<leader>9,ctrl+9", "Switch to tab 9"),
+  session_tab_select_10: keybind("<leader>0,ctrl+0", "Switch to tab 10"),
 
   stash_delete: keybind("ctrl+d", "Delete stash entry"),
   model_provider_list: keybind("ctrl+a", "Open provider list from model dialog"),
@@ -329,6 +330,7 @@ export const CommandMap = {
   session_tab_select_7: "session.tab.select.7",
   session_tab_select_8: "session.tab.select.8",
   session_tab_select_9: "session.tab.select.9",
+  session_tab_select_10: "session.tab.select.10",
   stash_delete: "stash.delete",
   model_provider_list: "model.dialog.provider",
   model_favorite_toggle: "model.dialog.favorite",

packages/tui/src/context/session-tabs-model.ts

@@ -7,6 +7,12 @@ export type SessionTabUnread = "activity" | "error"
 
 export const NEW_SESSION_TAB_TITLE = "New session"
 
+export function sessionTabShortcutLabel(index: number) {
+  if (index >= 0 && index < 9) return String(index + 1)
+  if (index === 9) return "0"
+  return "·"
+}
+
 export type SessionTabHistory = {
   entries: readonly string[]
   index: number

packages/tui/src/mini/footer.prompt.tsx

@@ -21,6 +21,7 @@ import {
   isExitCommand,
   isCompactCommand,
   mentionTriggerIndex,
+  slashTriggerIndex,
   isNewCommand,
   movePromptHistory,
   promptCopy,
@@ -50,7 +51,7 @@ export const TEXTAREA_MIN_ROWS = 1
 const TEXTAREA_MAX_ROWS = 6
 export const PROMPT_MAX_ROWS = TEXTAREA_MAX_ROWS + AUTOCOMPLETE_ROWS - 1 + AUTOCOMPLETE_BOTTOM_ROWS
 
-type Mention = Extract<RunPromptPart, { type: "file" | "agent" }>
+type Mention = Extract<RunPromptPart, { type: "file" | "agent" | "skill" }>
 
 type Auto = RunFooterMenuItem & {
   kind: "mention"
@@ -65,7 +66,12 @@ type SlashOption = RunFooterMenuItem & {
   action?: "skill-menu" | "editor" | "settings"
 }
 
-type PromptOption = Auto | SlashOption
+type SkillOption = RunFooterMenuItem & {
+  kind: "skill"
+  id: string
+}
+
+type PromptOption = Auto | SlashOption | SkillOption
 
 type MenuMode = false | "mention" | "slash"
 
@@ -124,12 +130,9 @@ function emptyPrompt(shell: boolean): RunPrompt {
 }
 
 function slashQuery(text: string, cursor: number) {
-  const head = parseSlashHead(text.slice(0, cursor))
-  if (!head || head.end !== cursor) {
-    return
-  }
-
-  return head.name
+  const at = slashTriggerIndex(text, cursor)
+  if (at === undefined) return
+  return { at, value: displaySlice(text, at + 1, cursor) }
 }
 
 function parseSlashCommand(text: string, commands: RunCommand[] | undefined) {
@@ -382,10 +385,18 @@ export function createPromptState(input: PromptInput): PromptState {
   )
   const mentionOptions = createMemo(() => [...agents(), ...files(), ...references()])
   const skillCommands = createMemo(() => (input.commands() ?? []).filter((item) => item.source === "skill"))
+  const skillOptions = createMemo<SkillOption[]>(() =>
+    skillCommands().map((item) => ({
+      kind: "skill",
+      id: item.name,
+      display: `/${item.name}`,
+      description: item.description,
+    })),
+  )
   const hasSkillsCommand = createMemo(() =>
     (input.commands() ?? []).some((item) => item.source !== "skill" && item.name === "skills"),
   )
-  const slashOptions = createMemo<SlashOption[]>(() => {
+  const slashOptions = createMemo<Array<SlashOption | SkillOption>>(() => {
     const builtins = [
       {
         kind: "slash",
@@ -417,6 +428,7 @@ export function createPromptState(input: PromptInput): PromptState {
     }
 
     return [
+      ...skillOptions(),
       ...(showSkillMenu
         ? [
             {
@@ -443,7 +455,7 @@ export function createPromptState(input: PromptInput): PromptState {
     ].sort((a, b) => a.display.localeCompare(b.display))
   })
   const options = createMemo<PromptOption[]>(() => {
-    const mixed: PromptOption[] = mode() === "slash" ? slashOptions() : mentionOptions()
+    const mixed: PromptOption[] = mode() === "slash" ? (at() === 0 ? slashOptions() : skillOptions()) : mentionOptions()
     if (!query()) {
       return mixed
     }
@@ -459,7 +471,11 @@ export function createPromptState(input: PromptInput): PromptState {
 
     return fuzzysort
       .go(next, mixed, {
-        keys: [(item) => (item.kind === "mention" ? item.value : item.name).trimEnd(), "display", "description"],
+        keys: [
+          (item) => (item.kind === "mention" ? item.value : item.kind === "skill" ? item.id : item.name).trimEnd(),
+          "display",
+          "description",
+        ],
       })
       .map((item) => item.obj)
   })
@@ -512,17 +528,19 @@ export function createPromptState(input: PromptInput): PromptState {
         continue
       }
 
-      const text = area.plainText.slice(item.start, item.end)
+      const text = displaySlice(area.plainText, item.start, item.end)
       const prev =
         part.type === "agent"
           ? (part.source?.value ?? "@" + part.name)
-          : (part.source?.text.value ?? "@" + (part.filename ?? ""))
+          : part.type === "skill"
+            ? (part.source?.value ?? "/" + part.id)
+            : (part.source?.text.value ?? "@" + (part.filename ?? ""))
       if (text !== prev) {
         continue
       }
 
       const copy = structuredClone(part)
-      if (copy.type === "agent") {
+      if (copy.type === "agent" || copy.type === "skill") {
         copy.source = {
           start: item.start,
           end: item.end,
@@ -558,7 +576,7 @@ export function createPromptState(input: PromptInput): PromptState {
   const restoreParts = (value: RunPromptPart[]) => {
     clearParts()
     parts = value
-      .filter((item): item is Mention => item.type === "file" || item.type === "agent")
+      .filter((item): item is Mention => item.type === "file" || item.type === "agent" || item.type === "skill")
       .map((item) => structuredClone(item))
     if (!area || area.isDestroyed || type === 0) {
       return
@@ -566,8 +584,8 @@ export function createPromptState(input: PromptInput): PromptState {
 
     const box = area
     parts.forEach((item, idx) => {
-      const start = item.type === "agent" ? item.source?.start : item.source?.text.start
-      const end = item.type === "agent" ? item.source?.end : item.source?.text.end
+      const start = item.type === "file" ? item.source?.text.start : item.source?.start
+      const end = item.type === "file" ? item.source?.text.end : item.source?.end
       if (start === undefined || end === undefined) {
         return
       }
@@ -627,16 +645,16 @@ export function createPromptState(input: PromptInput): PromptState {
         return
       }
 
-      setAt(0)
-      setQuery(slash)
+      setAt(slash.at)
+      setQuery(slash.value)
       return
     }
 
     if (slash !== undefined) {
-      setAt(0)
+      setAt(slash.at)
       menu.reset()
       setMode("slash")
-      setQuery(slash)
+      setQuery(slash.value)
       return
     }
 
@@ -782,7 +800,7 @@ export function createPromptState(input: PromptInput): PromptState {
     }
 
     const cursor = area.cursorOffset
-    const startOffset = mode() === "slash" ? 0 : at()
+    const startOffset = at()
     area.cursorOffset = startOffset
     const start = area.logicalCursor
     area.cursorOffset = cursor
@@ -828,6 +846,39 @@ export function createPromptState(input: PromptInput): PromptState {
       return
     }
 
+    if (next.kind === "skill") {
+      if (parts.some((part) => part.type === "skill" && part.id === next.id)) {
+        cancelAutocomplete()
+        return
+      }
+      const cursor = area.cursorOffset
+      const tail = displayCharAt(area.plainText, cursor)
+      const append = `/${next.id}${tail === " " ? "" : " "}`
+      area.cursorOffset = at()
+      const start = area.logicalCursor
+      area.cursorOffset = cursor
+      const end = area.logicalCursor
+      area.deleteRange(start.row, start.col, end.row, end.col)
+      area.insertText(append)
+
+      const text = `/${next.id}`
+      const startOffset = at()
+      const endOffset = startOffset + stringWidth(text)
+      const part: Extract<RunPromptPart, { type: "skill" }> = {
+        type: "skill",
+        id: next.id,
+        source: { start: startOffset, end: endOffset, value: text },
+      }
+      const id = area.extmarks.create({ start: startOffset, end: endOffset, virtual: true, typeId: type })
+      marks.set(id, parts.length)
+      parts.push(part)
+      hide()
+      syncDraft()
+      scheduleRows()
+      area.focus()
+      return
+    }
+
     if (next.kind === "slash") {
       if (next.action === "editor") {
         void openEditor({
@@ -1193,7 +1244,7 @@ export function createPromptState(input: PromptInput): PromptState {
     }
 
     const parsed =
-      command || next.mode === "shell" || isNewCommand(next.text)
+      command || next.parts.some((part) => part.type === "skill") || next.mode === "shell" || isNewCommand(next.text)
         ? undefined
         : parseSlashCommand(next.text, input.commands())
     if (parsed?.type === "pending") {

packages/tui/src/mini/prompt.editor.ts

@@ -2,7 +2,7 @@ import type { RunPromptPart } from "./types"
 import { realignPromptMentions } from "../prompt/mention"
 import { parseSlashHead } from "../prompt/parse"
 
-type Mention = Extract<RunPromptPart, { type: "file" | "agent" }>
+type Mention = Extract<RunPromptPart, { type: "file" | "agent" | "skill" }>
 
 export function resolveEditorSlashValue(text: string) {
   const head = parseSlashHead(text)
@@ -17,13 +17,13 @@ export function realignEditorPromptParts(content: string, parts: RunPromptPart[]
   const matches = realignPromptMentions(
     content,
     parts.map((part) => {
-      if (part.type !== "file" && part.type !== "agent") return
+      if (part.type !== "file" && part.type !== "agent" && part.type !== "skill") return
       return promptPartMention(part)
     }),
   )
 
   return parts.flatMap((part, index) => {
-    if (part.type !== "file" && part.type !== "agent") return [part]
+    if (part.type !== "file" && part.type !== "agent" && part.type !== "skill") return [part]
     const mention = promptPartMention(part)
     if (!mention?.text) return [part]
     const match = matches[index]
@@ -32,13 +32,13 @@ export function realignEditorPromptParts(content: string, parts: RunPromptPart[]
 }
 
 function promptPartMention(part: Mention) {
-  const source = part.type === "agent" ? part.source : part.source?.text
+  const source = part.type === "file" ? part.source?.text : part.source
   if (!source) return
   return { start: source.start, end: source.end, text: source.value }
 }
 
 function updatePromptPart(part: Mention, start: number, end: number, text: string): Mention {
-  if (part.type === "agent") {
+  if (part.type === "agent" || part.type === "skill") {
     return {
       ...part,
       source: {

packages/tui/src/mini/prompt.shared.ts

@@ -7,7 +7,7 @@
 // the current browse position. When the user arrows up at cursor offset 0,
 // the current draft is saved and history begins. Arrowing past the end
 // restores the draft.
-export { displayCharAt, displaySlice, mentionTriggerIndex } from "../prompt/display"
+export { displayCharAt, displaySlice, mentionTriggerIndex, slashTriggerIndex } from "../prompt/display"
 import { stringWidth } from "../util/string-width"
 import type { RunPrompt } from "./types"
 

packages/tui/src/mini/stream-v2.transport.ts

@@ -288,6 +288,21 @@ function promptAgents(next: SessionTurnInput) {
   )
 }
 
+function promptSkills(next: SessionTurnInput) {
+  return next.prompt.parts.flatMap((part) =>
+    part.type === "skill"
+      ? [
+          {
+            id: part.id,
+            mention: part.source
+              ? { start: part.source.start, end: part.source.end, text: part.source.value }
+              : undefined,
+          },
+        ]
+      : [],
+  )
+}
+
 function streamPartKey(messageID: string, partID: string) {
   return `${messageID}\u0000${partID}`
 }
@@ -358,12 +373,12 @@ const catalogEvents = new Set([
 // briefly so the output commit renders inside it.
 const SHELL_OUTPUT_GRACE_MS = 1500
 
-function skillCommit(messageID: string, name: string): StreamCommit {
+function skillCommit(messageID: string, name: string, skillID = messageID): StreamCommit {
   return {
     kind: "system",
     source: "system",
     messageID,
-    partID: `skill:${messageID}`,
+    partID: `skill:${skillID}`,
     text: `→ Skill "${name}"`,
     phase: "start",
   }
@@ -637,7 +652,10 @@ export async function createSessionTransport(input: StreamInput): Promise<Sessio
       state.messageIDs.add(message.id)
       if (!render) return
       if (reuseVisibleWait && waiting) return
-      write([{ kind: "user", source: "system", text: message.text, phase: "start", messageID: message.id }])
+      write([
+        ...(message.skills ?? []).map((skill) => skillCommit(message.id, skill.name, skill.id)),
+        { kind: "user", source: "system", text: message.text, phase: "start", messageID: message.id },
+      ])
       return
     }
     if (message.type === "skill") {
@@ -1615,6 +1633,7 @@ export async function createSessionTransport(input: StreamInput): Promise<Sessio
     const command = next.prompt.command
     const attachments = await prepareAttachments(next, command ? "command" : "prompt", input.readTextFile)
     const agents = promptAgents(next)
+    const skills = promptSkills(next)
     if (!command) {
       input.trace?.write("send.prompt", { sessionID: input.sessionID, messageID, delivery })
       return client.session.prompt(
@@ -1624,6 +1643,7 @@ export async function createSessionTransport(input: StreamInput): Promise<Sessio
           text: [next.prompt.text, ...attachments.text].join("\n\n"),
           files: attachments.files.length ? attachments.files : undefined,
           agents: agents.length ? agents : undefined,
+          skills: skills.length ? skills : undefined,
           delivery,
         },
         { signal: next.signal },
@@ -1643,6 +1663,7 @@ export async function createSessionTransport(input: StreamInput): Promise<Sessio
         model: selected,
         files: attachments.files.length ? attachments.files : undefined,
         agents: agents.length ? agents : undefined,
+        skills: skills.length ? skills : undefined,
         delivery,
       },
       { signal: next.signal },

packages/tui/src/mini/types.ts

@@ -47,6 +47,7 @@ export type RunPromptPart =
       }
     }
   | { type: "agent"; name: string; source?: { start: number; end: number; value: string } }
+  | { type: "skill"; id: string; source?: { start: number; end: number; value: string } }
 
 export type RunCommand = {
   name: string

packages/tui/src/prompt/codec.ts

@@ -1,9 +1,14 @@
 import type { Prompt, PromptInput } from "@opencode-ai/schema"
+import { Skill } from "@opencode-ai/schema/skill"
 import type { Types } from "effect"
 
 export type EditablePromptInput = Types.DeepMutable<PromptInput.Prompt>
 
-export function projectedPromptInput(input: Pick<Prompt, "text" | "files" | "agents">): EditablePromptInput {
+type ProjectedPrompt = Pick<Prompt, "text" | "files" | "agents"> & {
+  readonly skills?: ReadonlyArray<{ readonly id: string; readonly mention?: PromptInput.SkillAttachment["mention"] }>
+}
+
+export function projectedPromptInput(input: ProjectedPrompt): EditablePromptInput {
   return {
     text: input.text,
     files: input.files?.map((file) => ({
@@ -16,5 +21,9 @@ export function projectedPromptInput(input: Pick<Prompt, "text" | "files" | "age
       name: agent.name,
       mention: agent.mention ? { ...agent.mention } : undefined,
     })),
+    skills: input.skills?.map((skill) => ({
+      id: Skill.ID.make(skill.id),
+      mention: skill.mention ? { ...skill.mention } : undefined,
+    })),
   }
 }

packages/tui/src/prompt/display.ts

@@ -48,3 +48,14 @@ export function mentionTriggerIndex(value: string, offset = promptOffsetWidth(va
     return promptOffsetWidth(text.slice(0, index))
   }
 }
+
+export function slashTriggerIndex(value: string, offset = promptOffsetWidth(value)) {
+  const text = displaySlice(value, 0, offset)
+  for (let index = text.lastIndexOf("/"); index >= 0; index = text.lastIndexOf("/", index - 1)) {
+    const before = index === 0 ? undefined : text[index - 1]
+    const query = text.slice(index)
+    if (before !== undefined && !/\s/.test(before)) continue
+    if (/\s/.test(query) || query.slice(1).includes("/")) return
+    return promptOffsetWidth(text.slice(0, index))
+  }
+}

packages/tui/src/prompt/history.tsx

@@ -1,7 +1,7 @@
 import path from "path"
 import { onMount } from "solid-js"
 import { createStore, produce, unwrap } from "solid-js/store"
-import type { SessionPromptInput } from "@opencode-ai/client"
+import type { PromptInput } from "@opencode-ai/schema"
 import type { Types } from "effect"
 import { createSimpleContext } from "../context/helper"
 import { useTuiPaths } from "../context/runtime"
@@ -16,17 +16,17 @@ export type PastedText = {
   }
 }
 
-export type PromptInfo = Types.DeepMutable<Pick<SessionPromptInput, "text" | "files" | "agents">> & {
+export type PromptInfo = Types.DeepMutable<Pick<PromptInput.Prompt, "text" | "files" | "agents" | "skills">> & {
   pasted: PastedText[]
   mode?: "normal" | "shell"
 }
 
 export type PromptPartRef = {
-  type: "file" | "agent" | "pasted"
+  type: "file" | "agent" | "skill" | "pasted"
   index: number
 }
 
-export const emptyPrompt = (): PromptInfo => ({ text: "", files: [], agents: [], pasted: [] })
+export const emptyPrompt = (): PromptInfo => ({ text: "", files: [], agents: [], skills: [], pasted: [] })
 
 export const MAX_HISTORY_ENTRIES = 50
 

packages/tui/src/prompt/mention.ts

@@ -52,9 +52,11 @@ export function realignPromptMentions(
 export function realignPromptInputMentions(content: string, input: PromptInput.Prompt): EditablePromptInput {
   const files = input.files ?? []
   const agents = input.agents ?? []
+  const skills = input.skills ?? []
   const mentions = realignPromptMentions(content, [
     ...files.map((file) => file.mention),
     ...agents.map((agent) => agent.mention),
+    ...skills.map((skill) => skill.mention),
   ])
   const align = <T extends { mention?: PromptMention }>(items: readonly T[] | undefined, offset = 0) =>
     items?.flatMap((item, index) => {
@@ -67,6 +69,7 @@ export function realignPromptInputMentions(content: string, input: PromptInput.P
     text: content,
     files: align(input.files),
     agents: align(input.agents, files.length),
+    skills: align(input.skills, files.length + agents.length),
   }
 }
 
@@ -89,6 +92,7 @@ export function expandPromptInputPastedText(
     text: expandTrackedPastedText(input.text, ranges),
     files: input.files?.map((file) => ({ ...file, mention: shift(file.mention) })),
     agents: input.agents?.map((agent) => ({ ...agent, mention: shift(agent.mention) })),
+    skills: input.skills?.map((skill) => ({ ...skill, mention: shift(skill.mention) })),
   }
 }
 

packages/tui/src/routes/session/index.tsx

@@ -1893,6 +1893,7 @@ function UserMessage(props: { message: SessionMessageUser }) {
   const data = useData()
   const local = useLocal()
   const files = createMemo(() => props.message.files ?? [])
+  const skills = createMemo(() => props.message.skills ?? [])
   const themes = useThemes()
   const theme = useTheme("elevated")
   const mode = themes.mode
@@ -1908,7 +1909,7 @@ function UserMessage(props: { message: SessionMessageUser }) {
   }
 
   return (
-    <Show when={props.message.text.trim() || files().length}>
+    <Show when={props.message.text.trim() || files().length || skills().length}>
       <box
         border={["left"]}
         borderColor={delivery() ? theme.border.default : color()}
@@ -1953,6 +1954,28 @@ function UserMessage(props: { message: SessionMessageUser }) {
           flexShrink={0}
         >
           <text fg={theme.text.default}>{props.message.text}</text>
+          <Show when={skills().length}>
+            <box flexDirection="row" paddingTop={1} gap={1} flexWrap="wrap">
+              <For each={skills()}>
+                {(skill) => (
+                  <text fg={theme.text.default}>
+                    <span
+                      style={{
+                        bg: theme.hue.accent[mode() === "light" ? 700 : 200],
+                        fg: theme.background.default,
+                        bold: true,
+                      }}
+                    >
+                      {" skill "}
+                    </span>
+                    <span style={{ bg: theme.raise(theme.background.default), fg: theme.text.subdued }}>
+                      {` ${skill.name} `}
+                    </span>
+                  </text>
+                )}
+              </For>
+            </box>
+          </Show>
           <Show when={files().length}>
             <box flexDirection="row" paddingTop={1} gap={1} flexWrap="wrap">
               <For each={files()}>

packages/tui/test/app-lifecycle.test.tsx

@@ -1,4 +1,4 @@
-import { expect, mock, test } from "bun:test"
+import { expect, test } from "bun:test"
 import { createTestRenderer } from "@opentui/core/testing"
 import { Effect, FileSystem } from "effect"
 import { AppNodeBuilder } from "@opencode-ai/core/effect/app-node-builder"
@@ -7,8 +7,6 @@ import { createEventStream, createFetch, directory, json } from "./fixture/tui-c
 
 test("SIGHUP clears title and disposes scoped resources once", async () => {
   const setup = await createTestRenderer({ width: 80, height: 24, useThread: false })
-  const core = await import("@opentui/core")
-  mock.module("@opentui/core", () => ({ ...core, createCliRenderer: async () => setup.renderer }))
   const titles: string[] = []
   let started!: () => void
   const ready = new Promise<void>((resolve) => {
@@ -32,6 +30,7 @@ test("SIGHUP clears title and disposes scoped resources once", async () => {
         server: { endpoint: { url: server.url.toString() } },
         config: { get: async () => ({}), update: async () => ({}) },
         packages: { resolve: async () => undefined },
+        terminalHandoff: async () => ({ renderer: setup.renderer, mode: "dark", complete: () => {} }),
         args: {},
         log: () => {},
       }).pipe(Effect.provide(AppNodeBuilder.build(Global.node)), Effect.provide(FileSystem.layerNoop({}))),
@@ -46,14 +45,11 @@ test("SIGHUP clears title and disposes scoped resources once", async () => {
   } finally {
     if (!setup.renderer.isDestroyed) setup.renderer.destroy()
     await server.stop()
-    mock.restore()
   }
 })
 
 test("session lifecycle updates the terminal title and prints the epilogue after cleanup", async () => {
   const setup = await createTestRenderer({ width: 80, height: 24, useThread: false })
-  const core = await import("@opentui/core")
-  mock.module("@opentui/core", () => ({ ...core, createCliRenderer: async () => setup.renderer }))
   let initialTitle!: () => void
   const initialTitleSet = new Promise<void>((resolve) => {
     initialTitle = resolve
@@ -110,6 +106,7 @@ test("session lifecycle updates the terminal title and prints the epilogue after
         server: { endpoint: { url: server.url.toString() } },
         config: { get: async () => ({}), update: async () => ({}) },
         packages: { resolve: async () => undefined },
+        terminalHandoff: async () => ({ renderer: setup.renderer, mode: "dark", complete: () => {} }),
         args: { sessionID: "dummy" },
         log: () => {},
       }).pipe(Effect.provide(AppNodeBuilder.build(Global.node)), Effect.provide(FileSystem.layerNoop({}))),
@@ -134,14 +131,11 @@ test("session lifecycle updates the terminal title and prints the epilogue after
     process.stdout.write = originalWrite
     if (!setup.renderer.isDestroyed) setup.renderer.destroy()
     await server.stop()
-    mock.restore()
   }
 })
 
 test("session title generated while an untitled session is loading remains visible", async () => {
   const setup = await createTestRenderer({ width: 80, height: 24, useThread: false })
-  const core = await import("@opentui/core")
-  mock.module("@opentui/core", () => ({ ...core, createCliRenderer: async () => setup.renderer }))
   const titles: string[] = []
   const setTitle = setup.renderer.setTerminalTitle.bind(setup.renderer)
   const generatedTitle = Promise.withResolvers<void>()
@@ -186,6 +180,7 @@ test("session title generated while an untitled session is loading remains visib
         server: { endpoint: { url: server.url.toString() } },
         config: { get: async () => ({}), update: async () => ({}) },
         packages: { resolve: async () => undefined },
+        terminalHandoff: async () => ({ renderer: setup.renderer, mode: "dark", complete: () => {} }),
         args: { sessionID: "dummy" },
         log: () => {},
       }).pipe(Effect.provide(AppNodeBuilder.build(Global.node)), Effect.provide(FileSystem.layerNoop({}))),
@@ -222,14 +217,11 @@ test("session title generated while an untitled session is loading remains visib
   } finally {
     if (!setup.renderer.isDestroyed) setup.renderer.destroy()
     await server.stop()
-    mock.restore()
   }
 })
 
 test("session startup prompt is submitted exactly once", async () => {
   const setup = await createTestRenderer({ width: 80, height: 24, useThread: false })
-  const core = await import("@opentui/core")
-  mock.module("@opentui/core", () => ({ ...core, createCliRenderer: async () => setup.renderer }))
   const events = createEventStream()
   const cwd = process.cwd()
   const location = { directory: cwd, project: { id: "project", directory: cwd } }
@@ -279,6 +271,7 @@ test("session startup prompt is submitted exactly once", async () => {
         server: { endpoint: { url: server.url.toString() } },
         config: { get: async () => ({}), update: async () => ({}) },
         packages: { resolve: async () => undefined },
+        terminalHandoff: async () => ({ renderer: setup.renderer, mode: "dark", complete: () => {} }),
         args: { sessionID: "dummy", prompt: "RESUME_READY" },
         log: () => {},
       }).pipe(Effect.provide(AppNodeBuilder.build(Global.node)), Effect.provide(FileSystem.layerNoop({}))),
@@ -299,6 +292,5 @@ test("session startup prompt is submitted exactly once", async () => {
   } finally {
     if (!setup.renderer.isDestroyed) setup.renderer.destroy()
     await server.stop()
-    mock.restore()
   }
 })

packages/tui/test/cli/tui/theme-mode.test.tsx

@@ -86,6 +86,7 @@ test.each([
   let themes: ReturnType<typeof useThemes> | undefined
   let failure: ThemeError | undefined
   let unsubscribe: (() => void) | undefined
+  const discovery = Promise.withResolvers<Record<string, unknown>>()
 
   function Probe() {
     const value = useThemes()
@@ -97,7 +98,7 @@ test.each([
   const app = await testRender(
     () => (
       <ConfigProvider config={createTuiResolvedConfig({ theme: { name: "invalid" } })}>
-        <ThemeProvider mode="dark" source={{ discover: () => Promise.resolve({ invalid: source }) }}>
+        <ThemeProvider mode="dark" source={{ discover: () => discovery.promise }}>
           <Probe />
         </ThemeProvider>
       </ConfigProvider>
@@ -105,6 +106,7 @@ test.each([
     { width: 20, height: 2 },
   )
   app.renderer.start()
+  discovery.resolve({ invalid: source })
 
   try {
     await wait(() => themes?.ready === true)