ci: disable unit_tests.yml workflow (Actions minutes)

Comment out the Docker-based unit-test workflow — it was consuming too many
GitHub Actions minutes. Fully commented (rather than deleted) so it can be
restored by uncommenting.

Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com>

.github/workflows/unit_tests.yml

@@ -1,67 +1,70 @@
-name: Run unit tests
-
-on:
-  pull_request:
-    branches:
-      - "**"
-
-
-jobs:
-  test-docker:
-    name: Tests (Docker)
-    runs-on: ubuntu-latest
-
-    services:
-      postgres:
-        image: postgres:15
-        env:
-          POSTGRES_USER: test
-          POSTGRES_PASSWORD: test
-          POSTGRES_DB: test
-        ports:
-          - 5432:5432
-        options: >-
-          --health-cmd pg_isready
-          --health-interval 10s
-          --health-timeout 5s
-          --health-retries 5
-
-    steps:
-      - name: Checkout code
-        uses: actions/checkout@v4
-
-      - name: Build test image
-        run: docker build -f Dockerfile.test -t model-test .
-
-      - name: Initialise database schema
-        run: |
-          docker run --rm \
-            --network host \
-            -e DB_HOST=localhost \
-            -e DB_NAME=test \
-            -e DB_USERNAME=test \
-            -e DB_PASSWORD=test \
-            -e DB_PORT=5432 \
-            model-test python scripts/init_db.py
-
-      - name: Run tests
-        run: |
-          docker run --rm \
-            --network host \
-            -e EPC_AUTH_TOKEN=${{ secrets.DEV_EPC_AUTH_TOKEN }} \
-            -e OPEN_EPC_API_TOKEN=${{ secrets.DEV_OPEN_EPC_API_TOKEN }} \
-            -e HUBSPOT_API_KEY=${{ secrets.HUBSPOT_API_KEY }} \
-            -e AWS_ACCESS_KEY_ID=${{ secrets.DEV_AWS_ACCESS_KEY_ID }} \
-            -e AWS_SECRET_ACCESS_KEY=${{ secrets.DEV_AWS_SECRET_ACCESS_KEY }} \
-            -e AWS_DEFAULT_REGION=${{ secrets.DEV_AWS_REGION }} \
-            -e DB_HOST=localhost \
-            -e DB_NAME=test \
-            -e DB_USERNAME=test \
-            -e DB_PASSWORD=test \
-            -e DB_PORT=5432 \
-            model-test pytest -vv -m 'not integration'
-
-      # The DDD rewrite (tests/) runs in its own workflow (ddd_tests.yml): its
-      # SQLModel table classes map to the same physical tables as the legacy
-      # backend models and share the one global SQLModel.metadata, so the two
-      # suites cannot be imported into the same pytest process.
+# Temporarily disabled — this Docker-based suite was consuming too many GitHub
+# Actions minutes. Uncomment to re-enable.
+#
+# name: Run unit tests
+#
+# on:
+#   pull_request:
+#     branches:
+#       - "**"
+#
+#
+# jobs:
+#   test-docker:
+#     name: Tests (Docker)
+#     runs-on: ubuntu-latest
+#
+#     services:
+#       postgres:
+#         image: postgres:15
+#         env:
+#           POSTGRES_USER: test
+#           POSTGRES_PASSWORD: test
+#           POSTGRES_DB: test
+#         ports:
+#           - 5432:5432
+#         options: >-
+#           --health-cmd pg_isready
+#           --health-interval 10s
+#           --health-timeout 5s
+#           --health-retries 5
+#
+#     steps:
+#       - name: Checkout code
+#         uses: actions/checkout@v4
+#
+#       - name: Build test image
+#         run: docker build -f Dockerfile.test -t model-test .
+#
+#       - name: Initialise database schema
+#         run: |
+#           docker run --rm \
+#             --network host \
+#             -e DB_HOST=localhost \
+#             -e DB_NAME=test \
+#             -e DB_USERNAME=test \
+#             -e DB_PASSWORD=test \
+#             -e DB_PORT=5432 \
+#             model-test python scripts/init_db.py
+#
+#       - name: Run tests
+#         run: |
+#           docker run --rm \
+#             --network host \
+#             -e EPC_AUTH_TOKEN=${{ secrets.DEV_EPC_AUTH_TOKEN }} \
+#             -e OPEN_EPC_API_TOKEN=${{ secrets.DEV_OPEN_EPC_API_TOKEN }} \
+#             -e HUBSPOT_API_KEY=${{ secrets.HUBSPOT_API_KEY }} \
+#             -e AWS_ACCESS_KEY_ID=${{ secrets.DEV_AWS_ACCESS_KEY_ID }} \
+#             -e AWS_SECRET_ACCESS_KEY=${{ secrets.DEV_AWS_SECRET_ACCESS_KEY }} \
+#             -e AWS_DEFAULT_REGION=${{ secrets.DEV_AWS_REGION }} \
+#             -e DB_HOST=localhost \
+#             -e DB_NAME=test \
+#             -e DB_USERNAME=test \
+#             -e DB_PASSWORD=test \
+#             -e DB_PORT=5432 \
+#             model-test pytest -vv -m 'not integration'
+#
+#       # The DDD rewrite (tests/) runs in its own workflow (ddd_tests.yml): its
+#       # SQLModel table classes map to the same physical tables as the legacy
+#       # backend models and share the one global SQLModel.metadata, so the two
+#       # suites cannot be imported into the same pytest process.