[General] /rubber-duck spawned a background agent that never finished (8h +).

**Mood:** 😔
**Category:** General

/rubber-duck spawned a background agent that never finished (8h +). This happened in at least 2 sessions.

---
| Field | Value |
| --- | --- |
| App version | 1.0.8 |
| OS | Windows 10.0.26220 |
| Theme | GitHub |
| Path | /chat |
| Tenure | Week 7 |

Start in the app's /chat path and reproduce the issue by using /rubber-duck on Windows 10 with version 1.0.8. Trace why the spawned background agent remains unfinished for more than eight hours; done means the agent completes or reports a failure instead of hanging.

索引モデルが issue の本文から書いたものです。