refactor(tui): improve workspace management (#22691)

packages/opencode/src/control-plane/workspace-context.ts

@@ -2,17 +2,17 @@ import { LocalContext } from "../util"
 import type { WorkspaceID } from "../control-plane/schema"
 
 export interface WorkspaceContext {
-  workspaceID: string
+  workspaceID: WorkspaceID
 }
 
 const context = LocalContext.create<WorkspaceContext>("instance")
 
 export const WorkspaceContext = {
   async provide<R>(input: { workspaceID: WorkspaceID; fn: () => R }): Promise<R> {
-    return context.provide({ workspaceID: input.workspaceID as string }, () => input.fn())
+    return context.provide({ workspaceID: input.workspaceID }, () => input.fn())
   },
 
-  restore<R>(workspaceID: string, fn: () => R): R {
+  restore<R>(workspaceID: WorkspaceID, fn: () => R): R {
     return context.provide({ workspaceID }, fn)
   },