Pg 4 (#2390)

* feat: postgres tests

* feat: mongo cutoff

* feat: mongo cutoff

* feat: adjust docs and compose files

* fix: mini code mongo removals

* fix: tests and k8s mongo stuff

* feat: test fixes

* fix: ruff

* fix: vale

* Potential fix for pull request finding 'CodeQL / Clear-text logging of sensitive information'

Co-authored-by: Copilot Autofix powered by AI <62310815+github-advanced-security[bot]@users.noreply.github.com>

* fix: mini suggestions

* vale lint fix 2

* fix: codeql columns thing

* fix: test mongo

* fix: tests coverage

* feat: better tests 4

* feat: more tests

* feat: decent coverage

* fix: ruff fixes

* fix: remove mongo mock

* feat: enhance workflow engine and API routes; add document retrieval and source handling

* feat: e2e tests

* fix: mcp, mongo and more

* fix: mini codeql warning

* fix: agent chunk view

* fix: mini issues

* fix: more pg fixes

* feat: postgres prep on start

* feat: qa tests

* fix: mini improvements

* fix: tests

---------

Co-authored-by: Copilot Autofix powered by AI <62310815+github-advanced-security[bot]@users.noreply.github.com>
Co-authored-by: Siddhant Rai <siddhant.rai.5686@gmail.com>

tests/integration/test_workflows.py

@@ -2,7 +2,7 @@
 """
 Integration tests for DocsGPT workflow management endpoints.
 
-Uses Flask test client with real MongoDB (must be running).
+Uses Flask test client with a real Postgres instance (must be running).
 
 Endpoints tested:
 - /api/workflows (POST) - Create workflow
@@ -26,7 +26,7 @@ from jose import jwt
 
 @pytest.fixture(scope="module")
 def app():
-    """Create the real Flask app (connects to real MongoDB)."""
+    """Create the real Flask app (connects to real Postgres)."""
     from application.app import app as flask_app
     flask_app.config["TESTING"] = True
     return flask_app