a0cb9a5773
Add GET /admin/rate-limits endpoint (admin-only) that returns current rate limit configuration and request statistics for all rate-limited endpoints (/auth/register and /auth/login). Tracks total requests and rejection counts via in-memory counters. Includes tests for admin access, non-admin rejection, empty state, request tracking, and configuration display. Closes leeworks-agents/SPARC#1675 Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>