Michal cde1c59fd6 feat: MCP health probe runner — periodic tool-call probes for instances ...

Implements Kubernetes-style liveness probes that call MCP tools defined
in server healthCheck configs. For STDIO servers, uses docker exec to
spawn a disposable MCP client that sends initialize + tool call. For
HTTP/SSE servers, sends JSON-RPC directly.

- HealthProbeRunner service with configurable interval/threshold/timeout
- execInContainer added to orchestrator interface + Docker implementation
- Instance findById now includes server relation (fixes describe showing IDs)
- Events appended to instance (last 50), healthStatus tracked as
  healthy/degraded/unhealthy
- 12 unit tests covering probing, thresholds, intervals, cleanup

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>

2026-02-23 00:38:48 +00:00

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