feat(core): allow external workspace creation (#26212)

packages/opencode/test/server/httpapi-workspace.test.ts

@@ -64,6 +64,36 @@ function localAdapter(directory: string): WorkspaceAdapter {
   }
 }
 
+function listedAdapter(directory: string, type: string): WorkspaceAdapter {
+  return {
+    name: "Listed Test",
+    description: "List a local test workspace",
+    configure(info) {
+      return { ...info, name: "unused", directory }
+    },
+    async create() {},
+    async remove() {},
+    list() {
+      return [
+        {
+          type,
+          name: "listed-test",
+          branch: "listed/main",
+          directory,
+          extra: { listed: true },
+          projectID: Instance.project.id,
+        },
+      ]
+    },
+    target() {
+      return {
+        type: "local" as const,
+        directory,
+      }
+    },
+  }
+}
+
 function remoteAdapter(directory: string, url: string, headers?: HeadersInit): WorkspaceAdapter {
   return {
     name: "Remote Test",
@@ -196,6 +226,30 @@ describe("workspace HttpApi", () => {
     }),
   )
 
+  it.live("serves list sync endpoint", () =>
+    Effect.gen(function* () {
+      Flag.OPENCODE_EXPERIMENTAL_WORKSPACES = true
+      const dir = yield* tmpdirScoped({ git: true })
+      const project = yield* Project.use.fromDirectory(dir)
+      const type = `listed-${Math.random().toString(36).slice(2)}`
+      registerAdapter(project.project.id, type, listedAdapter(path.join(dir, ".listed"), type))
+
+      const response = yield* request(WorkspacePaths.syncList, dir, { method: "POST" })
+
+      expect(response.status).toBe(204)
+      const listed = yield* request(WorkspacePaths.list, dir)
+      expect(yield* Effect.promise(() => listed.json())).toMatchObject([
+        {
+          type,
+          name: "listed-test",
+          branch: "listed/main",
+          directory: path.join(dir, ".listed"),
+          extra: { listed: true },
+        },
+      ])
+    }),
+  )
+
   it.live("creates workspace with the TUI payload shape", () =>
     Effect.gen(function* () {
       Flag.OPENCODE_EXPERIMENTAL_WORKSPACES = true