Fix Integration Tests: Dependencies, Config und Bugs

- test.sh: .venv Support und verbesserte API Key Erkennung
- test_integration.py: Cleanup Logik repariert (Duplicate Token)
- docker-compose.yml: Port 3306 für lokale Tests exposed
- rag_service.py: NameError und Collection Naming Bug gefixt

tests/test_integration.py

@@ -58,6 +58,15 @@ def cleanup_test_data(conn, child_id=None):
         else:
             # Clean up all test data
             cur.execute("DELETE FROM post_vectors WHERE post_type='diary'")
+            
+            # Clean up specific test user by token (in case ID < 9000)
+            cur.execute("SELECT id FROM children WHERE token = 'test-token-12345'")
+            result = cur.fetchone()
+            if result:
+                cur.execute("DELETE FROM diary_entries WHERE child_id = %s", (result['id'],))
+                cur.execute("DELETE FROM children WHERE id = %s", (result['id'],))
+
+            # Legacy cleanup
             cur.execute("DELETE FROM diary_entries WHERE child_id >= 9000")
             cur.execute("DELETE FROM children WHERE id >= 9000")
         conn.commit()