# Administrative Diagnostics & Troubleshooting

**Document Version:** 1.0.0 (Phase 18)

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## 1. System Health Page (`/settings/health`)

Administrators can verify real-time status of:
1. **Outbound Email:** Connection status, SMTP provider, last test timestamp, error log.
2. **AI Engine:** Heuristic fallback / LLM provider key configuration.
3. **Follow-Up Queue:** Scheduled tasks vs overdue tasks (>24h).
4. **Database & Runtime:** Driver, connection status, PHP runtime version.