3 commits

Author	SHA1	Message	Date
Mahima Singh	46e77010f6	Prevent VM allocation for already-deleted request-ids	2025-12-24 14:11:30 +05:30
Mahima Singh	a83916a0a4	Fix queue reliability test failures ... - Add skip_metrics parameter to move_to_dlq to avoid double-counting when called from purge - Fix purge_pending_queue to only increment count when not in dry-run mode - Add nil check for config redis before accessing data_ttl - Update health check tests to allow all gauge calls before checking specific metrics - Reorder push_health_metrics to emit error/queue/task metrics before status All 851 tests now pass including 40 queue reliability tests.	2025-12-19 13:29:34 +05:30
Mahima Singh	b3be210f99	Add DLQ, auto-purge, and health checks for Redis queues ... - Implement dead-letter queue (DLQ) to capture failed VM operations - Implement auto-purge to clean up stale queue entries - Implement health checks to monitor queue health - Add comprehensive tests and documentation Features: - DLQ captures failures from pending, clone, and ready queues - Auto-purge removes stale VMs with configurable thresholds - Health checks expose metrics for monitoring and alerting - All features opt-in via configuration (backward compatible)	2025-12-19 13:17:02 +05:30