US09-05: Automate Documentation Acceptance

tests/integration/test_documentation.py

@@ -16,12 +16,17 @@ import json
 import re
 from pathlib import Path
 
+import pytest
+
 from starlette.testclient import TestClient
 
 from photo_pipeline.api.app import create_app
 from photo_pipeline.api.security import DEFAULT_HEADERS
 from photo_pipeline.config import Config
 
+# Every check here belongs to the documentation gate (US09-05).
+pytestmark = pytest.mark.phase_i
+
 REPO = Path(__file__).resolve().parents[2]
 DOCS = REPO / "docs"
 VENDOR = REPO / "frontend" / "js" / "vendor"