- Create ISchedulerJobPlugin abstraction with JobKind routing
- Add SchedulerPluginRegistry for plugin discovery and resolution
- Wrap existing scan logic as ScanJobPlugin (zero behavioral change)
- Extend Schedule model with JobKind (default "scan") and PluginConfig (jsonb)
- Add SQL migrations 007 (job_kind/plugin_config) and 008 (doctor_trends table)
- Implement DoctorJobPlugin replacing standalone doctor-scheduler service
- Add PostgresDoctorTrendRepository for persistent trend storage
- Register Doctor trend endpoints at /api/v1/scheduler/doctor/trends/*
- Seed 3 default Doctor schedules (daily full, hourly quick, weekly compliance)
- Comment out doctor-scheduler container in compose and services-matrix
- Update Doctor architecture docs and AGENTS.md with scheduling migration info
Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>
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