Adolfo Delorenzo eb4f5752ee Implement session management - Prevents resource leaks from abandoned sessions ...

This comprehensive session management system tracks and automatically cleans up resources associated with user sessions, preventing resource exhaustion and disk space issues.

Key features:
- Automatic tracking of all session resources (audio files, temp files, streams)
- Per-session resource limits (100 files max, 100MB storage max)
- Automatic cleanup of idle sessions (15 minutes) and expired sessions (1 hour)
- Background cleanup thread runs every minute
- Real-time monitoring via admin endpoints
- CLI commands for manual management
- Integration with Flask request lifecycle

Implementation details:
- SessionManager class manages lifecycle of UserSession objects
- Each session tracks resources with metadata (type, size, creation time)
- Automatic resource eviction when limits are reached (LRU policy)
- Orphaned file detection and cleanup
- Thread-safe operations with proper locking
- Comprehensive metrics and statistics export
- Admin API endpoints for monitoring and control

Security considerations:
- Sessions tied to IP address and user agent
- Admin endpoints require authentication
- Secure file path handling
- Resource limits prevent DoS attacks

This addresses the critical issue of temporary file accumulation that could lead to disk exhaustion in production environments.

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Co-Authored-By: Claude <noreply@anthropic.com>

2025-06-03 00:47:46 -06:00

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