- Add AdaptiveRateLimiter class in aisbf/providers.py for per-provider adaptive rate limiting
- Enhance 429 handling with exponential backoff and jitter
- Track 429 patterns per provider with configurable history window
- Implement dynamic rate limit adjustment that learns from 429 responses
- Add rate limit headroom (stays 10% below learned limits)
- Add gradual recovery after consecutive successful requests
- Add AdaptiveRateLimitingConfig in aisbf/config.py
- Add adaptive_rate_limiting configuration to config/aisbf.json
- Add dashboard UI at /dashboard/rate-limits
- Add dashboard API endpoints for stats and reset functionality
- Update TODO.md to mark item #8 as completed