Initialize logging setup in main application prior to app creation for improved error tracking and management.

app/core/logging_setup.py

@@ -0,0 +1,37 @@
+import logging
+import os
+from logging.handlers import RotatingFileHandler
+
+def setup_logging():
+    # 1. Log-Verzeichnis erstellen (falls nicht vorhanden)
+    log_dir = "logs"
+    if not os.path.exists(log_dir):
+        os.makedirs(log_dir)
+
+    log_file = os.path.join(log_dir, "mindnet.log")
+
+    # 2. Formatter definieren (Zeitstempel | Level | Modul | Nachricht)
+    formatter = logging.Formatter(
+        '%(asctime)s | %(levelname)-8s | %(name)s | %(message)s',
+        datefmt='%Y-%m-%d %H:%M:%S'
+    )
+
+    # 3. File Handler: Schreibt in Datei (max. 5MB pro Datei, behält 5 Backups)
+    file_handler = RotatingFileHandler(
+        log_file, maxBytes=5*1024*1024, backupCount=5, encoding='utf-8'
+    )
+    file_handler.setFormatter(formatter)
+    file_handler.setLevel(logging.INFO)
+
+    # 4. Stream Handler: Schreibt weiterhin auf die Konsole
+    console_handler = logging.StreamHandler()
+    console_handler.setFormatter(formatter)
+    console_handler.setLevel(logging.INFO)
+
+    # 5. Root Logger konfigurieren
+    logging.basicConfig(
+        level=logging.INFO,
+        handlers=[file_handler, console_handler]
+    )
+
+    logging.info(f"📝 Logging initialized. Writing to {log_file}")

app/main.py

@@ -30,6 +30,11 @@ try:
 except Exception:
     admin_router = None
 
+from .core.logging_setup import setup_logging
+
+# Initialisierung noch VOR create_app()
+setup_logging()
+
 logger = logging.getLogger(__name__)
 
 # --- WP-25: Lifespan Management ---