feat: Add comprehensive abuse detection and prevention system#44

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doubledare704 wants to merge 3 commits intopinchbench:mainfrom

doubledare704:feature/20-abuse-detection-prevention

Commits on Apr 11, 2026

feat(api): add rate limiting and heuristic validation for abuse detection
doubledare704
committed

Commits on Apr 12, 2026

fix: resolve critical rate limiting race condition and strengthen abuse prevention
doubledare704
committed
fix: correct off-by-one error in rate limit comparison
doubledare704
committed