feat: The Other Dude v9.0.1 — full-featured email system

ci: add GitHub Pages deployment workflow for docs site

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>

backend/tests/conftest.py

@@ -0,0 +1,16 @@
+"""Shared test fixtures for the backend test suite.
+
+Phase 7: Minimal fixtures for unit tests (no database, no async).
+Phase 10: Integration test fixtures added in tests/integration/conftest.py.
+
+Pytest marker registration and shared configuration lives here.
+"""
+
+import pytest
+
+
+def pytest_configure(config):
+    """Register custom markers."""
+    config.addinivalue_line(
+        "markers", "integration: marks tests as integration tests requiring PostgreSQL"
+    )