feat(api): IP-based rate limiting for POST /api/readings and GET /api/verify#685
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AnnabelJoe merged 1 commit intoJun 27, 2026
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…/api/verify (AnnabelJoe#491) - POST /api/readings: 10 requests / 60s per IP with Retry-After, X-RateLimit-* headers - GET /api/verify: 30 requests / 60s per IP with same headers - Uses existing lib/rate-limit.ts (checkRateLimit + getClientIp) - Removes dead no-op checkRateLimitByKey stub from readings route - 429 response includes retryAfter in body for client guidance Closes AnnabelJoe#491
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Summary
Closes #491
Wires the existing
lib/rate-limit.tsIP rate limiter into both public endpoints.Changes
429withRetry-After,X-RateLimit-Limit,X-RateLimit-Remaining,X-RateLimit-Resetheaders andretryAfterin the JSON body.checkRateLimitByKeystub from the readings route.getClientIp()(respectsx-real-ip/x-forwarded-forfor Vercel/Cloudflare).Acceptance criteria