- Added 5-minute validation interval to Position Manager
- Validates tracked positions against actual Drift state
- Auto-cleanup ghost positions (DB shows open but Drift shows closed)
- Prevents rate limit storms from accumulated ghost positions
- Logs detailed ghost detection: DB state vs Drift state
- Self-healing system requires no manual intervention
Implementation:
- scheduleValidation(): Sets 5-minute timer after monitoring starts
- validatePositions(): Queries each tracked position on Drift
- handleExternalClosure(): Reusable method for ghost cleanup
- Clears interval when monitoring stops
Benefits:
- Prevents ghost position accumulation
- Eliminates need for manual container restarts
- Minimal RPC overhead (1 check per 5 min per position)
- Addresses root cause (state management) not symptom (rate limits)
Fixes:
- Ghost positions from failed DB updates during external closures
- Container restart state sync issues
- Rate limit exhaustion from managing non-existent positions
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