decomposer: generate deliverable files for Define the service contract and project architecture for the FastAPI endpoint monitoring service.; Implement the typed monitor CRUD API and concurrency-safe in-memory state according to the service design.; Implement secure on-demand endpoint checks with status updates, latency measurement, robust error handling, and redacted structured logs.; Add operational API endpoints and environment-driven runtime configuration to the monitoring service.; Create automated tests for the monitoring service.; Package the service with Docker and developer documentation.; Validate the complete project.

.github/workflows/ci.yml

@@ -0,0 +1,21 @@
+name: ci
+on:
+  push:
+  pull_request:
+jobs:
+  validate:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v4
+      - uses: actions/setup-python@v5
+        with:
+          python-version: '3.12'
+          cache: pip
+      - run: python -m pip install -e '.[dev]'
+      - run: ./scripts/validate.sh
+      - run: docker build -t endpoint-monitor:${{ github.sha }} .
+      - run: |
+          docker run -d --name endpoint-monitor -p 8000:8000 endpoint-monitor:${{ github.sha }}
+          for i in $(seq 1 20); do curl -fsS http://127.0.0.1:8000/healthz && exit 0; sleep 1; done
+          docker logs endpoint-monitor
+          exit 1