umputun / stash / 19956934372

83%

master: 83%

Pull #27

github

feat(server): add per-client rate limiting with tollbooth

Add real per-client rate limiting using tollbooth token bucket algorithm,
separate from existing concurrent in-flight request limiting.

Changes:
- Add tollbooth dependency for per-client rate limiting (429 responses)
- Add MaxConcurrent option (default 1000) for in-flight request limiting (503)
- Change RequestsPerSec to float64 (default 100 req/sec)
- Rate limiter uses RemoteAddr set by RealIP middleware
- Add integration tests for body size, rate limit, max concurrent, login concurrency
- Add unit tests for limit helper methods

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