feat: implement force logout event and update navigation redirects

backend/api/auth_api.py

@@ -14,6 +14,10 @@ from werkzeug.security import generate_password_hash, check_password_hash
 
 from api.utils import sanitize_email
 from config.paths import get_user_image_dir
+from events.sse import send_event_to_user
+from events.types.event import Event
+from events.types.event_types import EventType
+from events.types.payload import Payload
 
 from api.error_codes import (
     MISSING_FIELDS, EMAIL_EXISTS, MISSING_TOKEN, INVALID_TOKEN, TOKEN_TIMESTAMP_MISSING,
@@ -359,6 +363,9 @@ def reset_password():
     # Invalidate ALL refresh tokens for this user
     refresh_tokens_db.remove(TokenQuery.user_id == user.id)
 
+    # Notify all active sessions (other tabs/devices) to sign out immediately
+    send_event_to_user(user.id, Event(EventType.FORCE_LOGOUT.value, Payload({})))
+
     resp = jsonify({'message': 'Password has been reset'})
     _clear_auth_cookies(resp)
     return resp, 200