Merge branch 'worktree-agent-a503735a'

# Conflicts:
#	devops/compose/docker-compose.stella-ops.yml
#	devops/docker/services-matrix.env
#	src/JobEngine/StellaOps.Scheduler.WebService/Bootstrap/SystemScheduleBootstrap.cs
#	src/JobEngine/StellaOps.Scheduler.WebService/Program.cs
#	src/JobEngine/StellaOps.Scheduler.WebService/Schedules/ScheduleEndpoints.cs
#	src/JobEngine/StellaOps.Scheduler.WebService/StellaOps.Scheduler.WebService.csproj
#	src/JobEngine/StellaOps.Scheduler.__Libraries/StellaOps.Scheduler.Models/Schedule.cs
#	src/JobEngine/StellaOps.Scheduler.__Libraries/StellaOps.Scheduler.Plugin.Abstractions/IRunProgressReporter.cs
#	src/JobEngine/StellaOps.Scheduler.__Libraries/StellaOps.Scheduler.Plugin.Abstractions/ISchedulerJobPlugin.cs
#	src/JobEngine/StellaOps.Scheduler.__Libraries/StellaOps.Scheduler.Plugin.Abstractions/ISchedulerPluginRegistry.cs
#	src/JobEngine/StellaOps.Scheduler.__Libraries/StellaOps.Scheduler.Plugin.Abstractions/JobConfigValidationResult.cs
#	src/JobEngine/StellaOps.Scheduler.__Libraries/StellaOps.Scheduler.Plugin.Abstractions/JobExecutionContext.cs
#	src/JobEngine/StellaOps.Scheduler.__Libraries/StellaOps.Scheduler.Plugin.Abstractions/JobPlan.cs
#	src/JobEngine/StellaOps.Scheduler.__Libraries/StellaOps.Scheduler.Plugin.Abstractions/JobPlanContext.cs
#	src/JobEngine/StellaOps.Scheduler.__Libraries/StellaOps.Scheduler.Plugin.Abstractions/SchedulerPluginRegistry.cs
#	src/JobEngine/StellaOps.Scheduler.__Libraries/StellaOps.Scheduler.Plugin.Abstractions/StellaOps.Scheduler.Plugin.Abstractions.csproj

src/Doctor/AGENTS.md

@@ -67,3 +67,14 @@ Every `IDoctorCheck` implementation MUST have a corresponding documentation arti
 - Development: https://localhost:10260, http://localhost:10261
 - Local alias: https://doctor.stella-ops.local, http://doctor.stella-ops.local
 - Env var: STELLAOPS_DOCTOR_URL
+
+## Doctor Scheduling (DEPRECATED standalone service)
+The standalone `StellaOps.Doctor.Scheduler` service is deprecated as of Sprint 20260408-003.
+Doctor health check scheduling is now handled by the Scheduler service's `DoctorJobPlugin`
+(jobKind="doctor") in `src/JobEngine/StellaOps.Scheduler.__Libraries/StellaOps.Scheduler.Plugin.Doctor/`.
+
+- Schedule CRUD: use the Scheduler API with `jobKind="doctor"` and `pluginConfig` for Doctor-specific options.
+- Trend storage: moved from in-memory to Scheduler's PostgreSQL schema (`scheduler.doctor_trends`).
+- Trend endpoints: served by the Scheduler at `/api/v1/scheduler/doctor/trends/*`.
+- The Doctor WebService remains unchanged as the execution engine for health checks.
+- Source code for the old scheduler is kept for one release cycle before removal.

src/Doctor/StellaOps.Doctor.Scheduler/README.md

@@ -0,0 +1,24 @@
+# StellaOps.Doctor.Scheduler (DEPRECATED)
+
+> **DEPRECATED** as of Sprint 20260408-003. This standalone service is replaced by the
+> `DoctorJobPlugin` in the Scheduler service (`src/JobEngine/StellaOps.Scheduler.__Libraries/StellaOps.Scheduler.Plugin.Doctor/`).
+
+## Migration Summary
+
+| Capability | Before (this service) | After (Scheduler plugin) |
+|---|---|---|
+| Schedule CRUD | In-memory, `/api/v1/doctor/scheduler/schedules` | Scheduler API with `jobKind="doctor"` |
+| Cron evaluation | `DoctorScheduleWorker` background service | Scheduler's existing cron infrastructure |
+| Run execution | `ScheduleExecutor` HTTP calls to Doctor WebService | `DoctorJobPlugin.ExecuteAsync()` |
+| Trend storage | `InMemoryTrendRepository` (volatile) | `scheduler.doctor_trends` PostgreSQL table |
+| Trend endpoints | `/api/v1/doctor/scheduler/trends/*` | `/api/v1/scheduler/doctor/trends/*` |
+
+## What Stays
+
+- **Doctor WebService** (`src/Doctor/StellaOps.Doctor.WebService/`): unchanged, remains the health check execution engine.
+- **Doctor Plugins** (`src/Doctor/__Plugins/`): unchanged, loaded by Doctor WebService.
+
+## Removal Timeline
+
+Source code is kept for one release cycle. The `doctor-scheduler` container is commented out
+in `docker-compose.stella-ops.yml` and disabled in `services-matrix.env`.