feat(family): deploy Single-Writer DuckDB backend, Mila parent cockpit & feeding analytics, and Moritz macro tracker

projects/duckdb-backend/tests/conftest.py

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+import os
+import shutil
+import tempfile
+from pathlib import Path
+import pytest
+from fastapi.testclient import TestClient
+
+from app.config import DATA_DIR
+from app.engine import DuckDBEngine
+from app.git_sync import GitSyncManager
+from app.main import app
+
+
+@pytest.fixture(scope="session")
+def test_data_dir():
+    # Use real wiki data dir if exists, else temporary copy
+    if DATA_DIR.is_dir():
+        yield DATA_DIR
+    else:
+        temp_dir = Path(tempfile.mkdtemp())
+        yield temp_dir
+        shutil.rmtree(temp_dir, ignore_errors=True)
+
+
+@pytest.fixture
+def engine(test_data_dir):
+    return DuckDBEngine(data_dir=test_data_dir)
+
+
+@pytest.fixture
+def client(engine):
+    app.state.engine = engine
+    app.state.git_sync = GitSyncManager(wiki_dir=engine.data_dir.parent)
+    with TestClient(app) as c:
+        yield c