test(core): simplify session prompt layer wiring

packages/core/src/agent.ts

@@ -7,7 +7,6 @@ import { PermissionSchema } from "./permission/schema"
 import { ProviderV2 } from "./provider"
 import { PositiveInt } from "./schema"
 import { State } from "./state"
-import { LayerNode } from "./effect/layer-node"
 
 export const ID = Schema.String.pipe(Schema.brand("AgentV2.ID"))
 export type ID = typeof ID.Type
@@ -141,4 +140,3 @@ export const layer = Layer.effect(
 )
 
 export const locationLayer = layer
-export const node = LayerNode.make(layer, [])

packages/core/src/permission.ts

@@ -11,7 +11,6 @@ import { Identifier } from "./util/identifier"
 import { Wildcard } from "./util/wildcard"
 import { PermissionSchema } from "./permission/schema"
 import { PermissionSaved } from "./permission/saved"
-import { LayerNode } from "./effect/layer-node"
 
 export { Effect, Rule, Ruleset } from "./permission/schema"
 type Effect = PermissionSchema.Effect
@@ -328,5 +327,3 @@ export const layer = Layer.effect(
 )
 
 export const locationLayer = layer.pipe(Layer.provideMerge(AgentV2.locationLayer))
-export const node = (location: LayerNode.Node<Location.Service>) =>
-  LayerNode.make(layer, [EventV2.node, location, AgentV2.node, SessionStore.node, PermissionSaved.node])

packages/core/src/permission/saved.ts

@@ -7,7 +7,6 @@ import { ProjectV2 } from "../project"
 import { withStatics } from "../schema"
 import { Identifier } from "../util/identifier"
 import { PermissionTable } from "./sql"
-import { LayerNode } from "../effect/layer-node"
 
 export const ID = Schema.String.pipe(
   Schema.brand("PermissionSaved.ID"),
@@ -86,4 +85,3 @@ export const layer = Layer.effect(
 )
 
 export const defaultLayer = layer.pipe(Layer.provide(Database.defaultLayer))
-export const node = LayerNode.make(layer, [Database.node])

packages/core/src/session.ts

@@ -29,6 +29,7 @@ import { logFailure } from "./session/logging"
 import { MessageDecodeError } from "./session/error"
 import { SessionEvent } from "./session/event"
 import { SessionInput } from "./session/input"
+import { LayerNode } from "./effect/layer-node"
 
 // get project -> project.locations
 //
@@ -425,6 +426,15 @@ export const layer = Layer.effect(
   }),
 )
 
+export const node = LayerNode.make(layer, [
+  SessionExecution.node,
+  SessionStore.node,
+  SessionProjector.node,
+  EventV2.node,
+  Database.node,
+  ProjectV2.node,
+])
+
 export const defaultLayer = layer.pipe(
   Layer.provide(SessionExecution.noopLayer),
   Layer.provide(SessionStore.defaultLayer),

packages/core/src/session/execution.ts

@@ -3,6 +3,7 @@ export * as SessionExecution from "./execution"
 import { Context, Effect, Layer } from "effect"
 import { SessionRunner } from "./runner/index"
 import { SessionSchema } from "./schema"
+import { LayerNode } from "../effect/layer-node"
 
 export interface Interface {
   /** Explicitly drain one Session, making at least one provider attempt. */
@@ -21,3 +22,5 @@ export const noopLayer = Layer.succeed(
   Service,
   Service.of({ resume: () => Effect.void, wake: () => Effect.void, interrupt: () => Effect.void }),
 )
+
+export const node = LayerNode.make(noopLayer, [])

packages/core/src/session/store.ts

@@ -60,5 +60,6 @@ export const layer = Layer.effect(
   }),
 )
 
-export const defaultLayer = layer.pipe(Layer.provide(Database.defaultLayer))
 export const node = LayerNode.make(layer, [Database.node])
+
+export const defaultLayer = layer.pipe(Layer.provide(Database.defaultLayer))

packages/core/test/permission.test.ts

@@ -2,7 +2,6 @@ import { describe, expect } from "bun:test"
 import { Deferred, Effect, Fiber, Layer } from "effect"
 import { AgentV2 } from "@opencode-ai/core/agent"
 import { Database } from "@opencode-ai/core/database/database"
-import { LayerNode } from "@opencode-ai/core/effect/layer-node"
 import { EventV2 } from "@opencode-ai/core/event"
 import { Location } from "@opencode-ai/core/location"
 import { PermissionV2 } from "@opencode-ai/core/permission"
@@ -13,26 +12,35 @@ import { ProjectTable } from "@opencode-ai/core/project/sql"
 import { AbsolutePath } from "@opencode-ai/core/schema"
 import { SessionV2 } from "@opencode-ai/core/session"
 import { SessionTable } from "@opencode-ai/core/session/sql"
+import { SessionExecution } from "@opencode-ai/core/session/execution"
 import { SessionStore } from "@opencode-ai/core/session/store"
 import { eq } from "drizzle-orm"
 import { location } from "./fixture/location"
 import { testEffect } from "./lib/effect"
 
 const database = Database.layerFromPath(":memory:")
-const current = LayerNode.make(
-  Layer.succeed(Location.Service, Location.Service.of(location({ directory: AbsolutePath.make("/project") }))),
-  [],
+const current = Layer.succeed(
+  Location.Service,
+  Location.Service.of(location({ directory: AbsolutePath.make("/project") })),
 )
-const layer = LayerNode.buildLayer(
-  LayerNode.group([
-    PermissionV2.node(current),
-    Database.node,
-    EventV2.node,
-    AgentV2.node,
-    SessionStore.node,
-    PermissionSaved.node,
-  ]),
-  { replacements: [LayerNode.replace(Database.node, database)] },
+const events = EventV2.layer.pipe(Layer.provide(database))
+const store = SessionStore.layer.pipe(Layer.provide(database))
+const sessions = SessionV2.layer.pipe(
+  Layer.provide(events),
+  Layer.provide(database),
+  Layer.provide(store),
+  Layer.provide(Project.defaultLayer),
+  Layer.provide(SessionExecution.noopLayer),
+)
+const saved = PermissionSaved.layer.pipe(Layer.provide(database))
+const layer = PermissionV2.locationLayer.pipe(
+  Layer.provideMerge(database),
+  Layer.provideMerge(store),
+  Layer.provideMerge(events),
+  Layer.provideMerge(current),
+  Layer.provideMerge(sessions),
+  Layer.provideMerge(SessionExecution.noopLayer),
+  Layer.provideMerge(saved),
 )
 const it = testEffect(layer)
 

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

@@ -15,13 +15,10 @@ import { SessionProjector } from "@opencode-ai/core/session/projector"
 import { SessionExecution } from "@opencode-ai/core/session/execution"
 import { SessionInput } from "@opencode-ai/core/session/input"
 import { SessionInputTable, SessionMessageTable, SessionTable } from "@opencode-ai/core/session/sql"
-import { SessionStore } from "@opencode-ai/core/session/store"
+import { LayerNode } from "@opencode-ai/core/effect/layer-node"
 import { testEffect } from "./lib/effect"
 
 const database = Database.layerFromPath(":memory:")
-const events = EventV2.layer.pipe(Layer.provide(database))
-const projector = SessionProjector.layer.pipe(Layer.provide(events), Layer.provide(database))
-const store = SessionStore.layer.pipe(Layer.provide(database))
 const executionCalls: SessionV2.ID[] = []
 const interruptCalls: SessionV2.ID[] = []
 const interruptSeqs: Array<number | undefined> = []
@@ -46,14 +43,12 @@ const execution = Layer.succeed(
       }),
   }),
 )
-const sessions = SessionV2.layer.pipe(
-  Layer.provide(events),
-  Layer.provide(database),
-  Layer.provide(store),
-  Layer.provide(Project.defaultLayer),
-  Layer.provide(execution),
+const root = LayerNode.group([SessionV2.node, SessionProjector.node, EventV2.node, Database.node])
+const it = testEffect(
+  LayerNode.buildLayer(root, {
+    replacements: [LayerNode.replace(Database.node, database), LayerNode.replace(SessionExecution.node, execution)],
+  }),
 )
-const it = testEffect(Layer.mergeAll(database, events, projector, store, execution, sessions))
 const sessionID = SessionV2.ID.make("ses_prompt_test")
 const messageID = SessionMessage.ID.create()