[ULTRA EXPERIMENTAL — DO NOT REVIEW] Durable workflows exploration

.github/workflows/unit_tests.yml

@@ -45,6 +45,22 @@ jobs:
         ports:
           # Maps port 6379 on service container to the host
           - 6379:6379
+      # The workflow store conformance suite runs against every implementation
+      # it can reach. Without a server the Postgres rows silently skip, and a
+      # divergence that only Postgres has -- hand-written SQL, real row locks,
+      # real deadlock detection -- merges green.
+      postgres:
+        image: ${{ matrix.os == 'ubuntu-latest' && 'postgres:16-alpine' || '' }}
+        env:
+          POSTGRES_PASSWORD: workflow
+          POSTGRES_DB: workflow
+        options: >-
+          --health-cmd pg_isready
+          --health-interval 10s
+          --health-timeout 5s
+          --health-retries 5
+        ports:
+          - 5432:5432
     steps:
       - uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd # v6.0.2
         with:
@@ -66,6 +82,12 @@ jobs:
         run: |
           export PYTHONUNBUFFERED=1
           uv run pytest tests/units --cov --no-cov-on-fail --cov-report=
+      - name: Run workflow tests against Postgres
+        if: ${{ matrix.os == 'ubuntu-latest' }}
+        run: |
+          export PYTHONUNBUFFERED=1
+          export REFLEX_TEST_POSTGRES=postgresql://postgres:workflow@localhost:5432/workflow
+          uv run pytest tests/units/workflow --no-cov -q
       - name: Run unit tests w/ redis
         if: ${{ matrix.os == 'ubuntu-latest' }}
         run: |

.gitignore

@@ -33,3 +33,7 @@ CLAUDE.local.md
 
 # Backups written by scripts/delete_automated_releases.sh
 automated-releases-backup-*.json
+
+# Workflow run stores created by `reflex workflows` commands.
+workflow.db
+workflow.db-*