feat: tool truncation + auto-compaction to bash harness - #2454

Bugbot Analysis Progress (24s elapsed)

✅ Gathered PR context (5s)
✅ Completed bug detection (18s)
✅ Posted analysis results (1s)

Final Result: Bugbot completed review - no issues found! ✅

Request ID: serverGenReqId_5cc5e5a1-4bb8-446e-b45c-13cd216d63da