05/04 Fix url_for issue, adjust session lifetime

app.py

@@ -225,6 +225,19 @@ def create_app() -> Flask:
     # Request / response hooks
     # ------------------------------------------------------------------
 
+    @app.before_request
+    def adjust_session_lifetime():
+        """
+        Dynamically set session lifetime based on the 'remember_me' flag stored
+        in the session.  When the user chose 'Remember Me' at login, their
+        permanent session lives for 30 days; otherwise the default 10-hour
+        lifetime from Config.PERMANENT_SESSION_LIFETIME applies.
+        """
+        if session.get('remember_me'):
+            app.permanent_session_lifetime = timedelta(days=30)
+        else:
+            app.permanent_session_lifetime = timedelta(hours=10)
+
     @app.before_request
     def log_request_info():
         """Record request start time and scan for suspicious user agents"""