refactor: move bot service implementation to v1.ts

- Move bot/index.ts implementation to bot/v1.ts
- Clear bot/index.ts for new implementation
- Add app/bot/page.tsx as placeholder for bot dashboard

🤖 Generated with [Claude Code](https://claude.com/claude-code)

Co-Authored-By: Claude <noreply@anthropic.com>

Author: snomiao

app/bot/page.tsx

@@ -0,0 +1,3 @@
+"use client";
+
+export default function BotPage() {}