- Replace time-based cleanup with on-demand cleanup in development mode
- Cleanup is triggered immediately after AI analysis completes
- Added runPostAnalysisCleanup() method to aggressive-cleanup service
- Cleanup triggers added to both single and batch analysis endpoints
- More efficient: cleanup happens only when needed, not on timer
- Prevents zombie processes without interfering with active analysis
- Production mode still uses periodic cleanup as backup (10 min intervals)
- Gentle cleanup in development: SIGTERM first, then SIGKILL if needed
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