docs: DB Schema V3 — SaaS multi-tenant with time-series + performance loop
9 tables: clinics, analysis_runs, channel_snapshots, screenshots,
content_plans, channel_configs, performance_metrics, content_performance,
strategy_adjustments
2 views: channel_latest, channel_weekly_delta
Key features:
- Clinic-centric (1 hospital = 1 row, multiple analyses)
- Time-series channel metrics (INSERT-only snapshots)
- Performance → Strategy loop (weekly KPI tracking → auto-adjust plans)
- Content performance tracking (individual post metrics)
- 8-phase implementation checklist with verification criteria
Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>
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