rcourtman fd0a4f2b0a docs: update documentation for v4.24.0 features ...

Updates documentation to reflect features implemented in recent commits:

**Security & API Enhancements:**
- Rate limit headers (X-RateLimit-Limit, X-RateLimit-Remaining, Retry-After)
- Audit logging for rollback actions and scheduler health
- Runtime logging configuration tracking

**Scheduler Health API:**
- Document new v4.24.0 endpoint features
- Per-instance circuit breaker status
- Dead-letter queue tracking
- Staleness metrics
- Enhanced response format with backward compatibility

**Version & Health Endpoints:**
- Updated /api/version response fields
- Optional health endpoint fields
- Deployment type and update availability

**Configuration & Installation:**
- HTTP config fetch via PULSE_INIT_CONFIG_URL
- Updated environment variable documentation
- Enhanced FAQ entries

**Monitoring & Operations:**
- Adaptive polling architecture documentation
- Rollback procedure references
- Production deployment guidance

All documentation changes align with implemented features from commits:
- 656ae0d25 (PMG test fix)
- dec85a4ef (PBS/PMG stubs + HTTP config)
- Earlier commits: scheduler health API, rollback, rate limiting

2025-10-20 16:08:10 +00:00

..

SCHEDULER_HEALTH.md

docs: update documentation for v4.24.0 features

2025-10-20 16:08:10 +00:00