🛡️ Sentinel: [HIGH] Fix AsyncLogger DoS Vulnerability

[TECHNICANGEL]

🚨 Severity: HIGH
💡 Vulnerability: Unbounded queue growth in AsyncLogger allowed memory exhaustion (DoS) if logging was spammed (e.g., from a tight render loop).
🎯 Impact: Application crash due to OOM (Out Of Memory) if the producer outpaces the consumer thread.
🔧 Fix: Implemented a MAX_QUEUE_SIZE (10,000) and logic to drop messages when full, with a one-time warning to std::cerr.
✅ Verification: Verified with tests/test_logger.cpp (functional) and tests/test_logger_stress.cpp (triggered overflow warning without crash).

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PR created automatically by Jules for task 7586666441323828573 started by @TECHNICANGEL

[google-labs-jules]

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