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Anso
8e1b9826cf
* fix(api): add tiered rate limiting to prevent polling lockouts Replace the single global rate limiter (100 req/min/IP) with a tiered system that separates high-frequency polling endpoints from standard API traffic: - Polling tier (300/min): /stats, /system/stats, /stacks/statuses, /metrics/historical, /health, /meta, /auth/status, /auth/sso/providers, /license. Exempt from the global limiter but governed by their own safety net to prevent resource exhaustion. - Standard tier (200/min): All other endpoints, raised from 100. - Webhook tier (500/min): POST /webhooks/:id/trigger, dedicated limiter for CI/CD platforms sharing datacenter IPs. - Auth tier: Unchanged (5-10 attempts / 15 min). Enterprise adaptations: - Authenticated requests keyed by user session (JWT sub/username) instead of IP, preventing shared NAT/VPN environments from pooling budgets. - Internal node-to-node traffic (node_proxy tokens) bypasses all rate limiters entirely. Includes comprehensive stress tests (21 cases) validating tier separation, node proxy bypass, and per-user keying. * chore(deps): bump axios to 1.15.0 to fix SSRF vulnerability Addresses GHSA-3p68-rc4w-qgx5 (NO_PROXY hostname normalization bypass).