Fix session interface method indentation

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Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>

src/smarttools/web/sessions.py

@@ -83,18 +83,6 @@ class SQLiteSessionInterface(SessionInterface):
     def rotate_session(self, session) -> None:
         session.session_id = self._new_session_id()
 
-
-def cleanup_expired_sessions() -> int:
-    """Remove expired sessions from the database."""
-    conn = connect_db()
-    try:
-        now = datetime.utcnow().isoformat()
-        cursor = conn.execute("DELETE FROM web_sessions WHERE expires_at < ?", [now])
-        conn.commit()
-        return cursor.rowcount or 0
-    finally:
-        conn.close()
-
     @staticmethod
     def _new_session_id() -> str:
         return uuid.uuid4().hex
@@ -107,3 +95,15 @@ def cleanup_expired_sessions() -> int:
             return datetime.fromisoformat(value)
         except ValueError:
             return None
+
+
+def cleanup_expired_sessions() -> int:
+    """Remove expired sessions from the database."""
+    conn = connect_db()
+    try:
+        now = datetime.utcnow().isoformat()
+        cursor = conn.execute("DELETE FROM web_sessions WHERE expires_at < ?", [now])
+        conn.commit()
+        return cursor.rowcount or 0
+    finally:
+        conn.close()