feat: add opentui interface for opencode

- Add comprehensive TUI interface with React Ink components
- Implement session management, model selection, and command dialogs
- Add theme system with customizable colors and styling
- Integrate with existing opencode server and SDK
- Add todo management and file browsing capabilities
- Include proper TypeScript support and error handling

packages/opencode/src/plugin/index.ts

@@ -14,6 +14,7 @@ export namespace Plugin {
   const state = Instance.state(async () => {
     const client = createOpencodeClient({
       baseUrl: "http://localhost:4096",
+      // @ts-expect-error
       fetch: async (...args) => Server.App().fetch(...args),
     })
     const config = await Config.get()