fix(task): normalize task cwd for source freshness - #11987

Bugbot Analysis Progress (3m 42s elapsed)

✅ Gathered PR context (3s)
✅ Completed bug detection (3m 39s)
✅ Posted analysis results (1s)

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

Request ID: serverGenReqId_d350791c-eb48-4b69-99d4-ede579d1c26d