fix(core): resolve host packages in bun plugins

packages/core/package.json

@@ -29,6 +29,10 @@
     "./*": "./src/*.ts"
   },
   "imports": {
+    "#plugin-imports": {
+      "bun": "./src/plugin/imports.bun.ts",
+      "default": "./src/plugin/imports.noop.ts"
+    },
     "#sqlite": {
       "workerd": "./src/database/sqlite.workerd.ts",
       "bun": "./src/database/sqlite.bun.ts",

packages/core/src/plugin/imports.bun.ts

@@ -0,0 +1,59 @@
+import { plugin } from "bun"
+
+const modules = await Promise.all([
+  load("effect", import("effect")),
+  load("@opencode-ai/plugin", import("@opencode-ai/plugin")),
+  load("@opencode-ai/plugin/app", import("@opencode-ai/plugin/app")),
+  load("@opencode-ai/plugin/options", import("@opencode-ai/plugin/options")),
+  load("@opencode-ai/plugin/storage", import("@opencode-ai/plugin/storage")),
+  load("@opencode-ai/plugin/promise/adapter", import("@opencode-ai/plugin/promise/adapter")),
+  load("@opencode-ai/plugin/promise/agent", import("@opencode-ai/plugin/promise/agent")),
+  load("@opencode-ai/plugin/promise/aisdk", import("@opencode-ai/plugin/promise/aisdk")),
+  load("@opencode-ai/plugin/promise/catalog", import("@opencode-ai/plugin/promise/catalog")),
+  load("@opencode-ai/plugin/promise/command", import("@opencode-ai/plugin/promise/command")),
+  load("@opencode-ai/plugin/promise/event", import("@opencode-ai/plugin/promise/event")),
+  load("@opencode-ai/plugin/promise/index", import("@opencode-ai/plugin/promise/index")),
+  load("@opencode-ai/plugin/promise/integration", import("@opencode-ai/plugin/promise/integration")),
+  load("@opencode-ai/plugin/promise/mcp", import("@opencode-ai/plugin/promise/mcp")),
+  load("@opencode-ai/plugin/promise/plugin", import("@opencode-ai/plugin/promise/plugin")),
+  load("@opencode-ai/plugin/promise/reference", import("@opencode-ai/plugin/promise/reference")),
+  load("@opencode-ai/plugin/promise/registration", import("@opencode-ai/plugin/promise/registration")),
+  load("@opencode-ai/plugin/promise/session", import("@opencode-ai/plugin/promise/session")),
+  load("@opencode-ai/plugin/promise/shell", import("@opencode-ai/plugin/promise/shell")),
+  load("@opencode-ai/plugin/promise/skill", import("@opencode-ai/plugin/promise/skill")),
+  load("@opencode-ai/plugin/promise/storage", import("@opencode-ai/plugin/promise/storage")),
+  load("@opencode-ai/plugin/promise/tool", import("@opencode-ai/plugin/promise/tool")),
+  load("@opencode-ai/plugin/promise/types", import("@opencode-ai/plugin/promise/types")),
+  load("@opencode-ai/plugin/promise/websearch", import("@opencode-ai/plugin/promise/websearch")),
+  load("@opencode-ai/plugin/effect", import("@opencode-ai/plugin/effect")),
+  load("@opencode-ai/plugin/effect/agent", import("@opencode-ai/plugin/effect/agent")),
+  load("@opencode-ai/plugin/effect/aisdk", import("@opencode-ai/plugin/effect/aisdk")),
+  load("@opencode-ai/plugin/effect/catalog", import("@opencode-ai/plugin/effect/catalog")),
+  load("@opencode-ai/plugin/effect/command", import("@opencode-ai/plugin/effect/command")),
+  load("@opencode-ai/plugin/effect/event", import("@opencode-ai/plugin/effect/event")),
+  load("@opencode-ai/plugin/effect/index", import("@opencode-ai/plugin/effect/index")),
+  load("@opencode-ai/plugin/effect/integration", import("@opencode-ai/plugin/effect/integration")),
+  load("@opencode-ai/plugin/effect/mcp", import("@opencode-ai/plugin/effect/mcp")),
+  load("@opencode-ai/plugin/effect/plugin", import("@opencode-ai/plugin/effect/plugin")),
+  load("@opencode-ai/plugin/effect/reference", import("@opencode-ai/plugin/effect/reference")),
+  load("@opencode-ai/plugin/effect/registration", import("@opencode-ai/plugin/effect/registration")),
+  load("@opencode-ai/plugin/effect/session", import("@opencode-ai/plugin/effect/session")),
+  load("@opencode-ai/plugin/effect/shell", import("@opencode-ai/plugin/effect/shell")),
+  load("@opencode-ai/plugin/effect/skill", import("@opencode-ai/plugin/effect/skill")),
+  load("@opencode-ai/plugin/effect/storage", import("@opencode-ai/plugin/effect/storage")),
+  load("@opencode-ai/plugin/effect/tool", import("@opencode-ai/plugin/effect/tool")),
+  load("@opencode-ai/plugin/effect/websearch", import("@opencode-ai/plugin/effect/websearch")),
+])
+
+plugin({
+  name: "opencode-host-modules",
+  setup(build) {
+    modules.forEach(([specifier, exports]) => {
+      build.module(specifier, () => ({ exports, loader: "object" }))
+    })
+  },
+})
+
+function load(specifier: string, module: Promise<object>) {
+  return module.then((exports) => [specifier, Object.fromEntries(Object.entries(exports))] as const)
+}

packages/core/src/plugin/imports.noop.ts

@@ -0,0 +1 @@
+export {}

packages/core/src/plugin/supervisor.ts

@@ -16,6 +16,7 @@ import { PluginInternal } from "./internal.js"
 import { SdkPlugins } from "./sdk.js"
 import { importModule } from "@opencode-ai/util/runtime-import"
 import { Service } from "./supervisor-service.js"
+import "#plugin-imports"
 
 const PluginModule = Schema.Struct({
   default: Schema.Union([

packages/core/test/config/plugin.test.ts

@@ -95,6 +95,50 @@ describe("PluginSupervisor config", () => {
     ),
   )
 
+  it.live("loads plugins without local runtime packages", () =>
+    withLocation(
+      { plugins: ["-*", "./promise.ts", "./effect.ts"] },
+      Effect.gen(function* () {
+        yield* ready()
+        const plugins = yield* Plugin.Service
+        expect((yield* plugins.list()).map((plugin) => String(plugin.id))).toEqual([
+          "host-plugin-package",
+          "host-effect-packages",
+        ])
+      }),
+      false,
+      (directory) =>
+        Promise.all([
+          fs.writeFile(
+            path.join(directory, "promise.ts"),
+            `import { Plugin } from "@opencode-ai/plugin"
+import { fromPromise } from "@opencode-ai/plugin/promise/adapter"
+
+export default Plugin.define({
+  id: "host-plugin-package",
+  setup() {
+    if (typeof fromPromise !== "function") throw new Error("missing Promise adapter")
+  },
+})
+`,
+          ),
+          fs.writeFile(
+            path.join(directory, "effect.ts"),
+            `import { Plugin } from "@opencode-ai/plugin/effect/index"
+import { Effect } from "effect"
+
+export default Plugin.define({
+  id: "host-effect-packages",
+  effect() {
+    return Effect.void
+  },
+})
+`,
+          ),
+        ]).then(() => undefined),
+    ),
+  )
+
   it.live("disables configured plugins by exported ID", () => {
     const plugin = path.join(import.meta.dir, "../plugin/fixtures/config-promise-plugin.ts")
     return withLocation(