fix:

1. 修复登录界面文字被遮挡问题
2. 大字模式关闭后显示异常问题
3. 重新调整大字模式是否开启时的字体显示效果

api/app/tasks/celery_app.py

@@ -128,7 +128,9 @@ def _log_task_prerun(
 
 
 @task_success.connect
-def _log_task_success(sender: object | None = None, result: object | None = None, **_: object) -> None:
+def _log_task_success(
+    sender: object | None = None, result: object | None = None, **_: object
+) -> None:
     """仅成功路径；失败见 ``task_failure``（避免 ``task_postrun`` 在异常态仍触发）。"""
     name = getattr(sender, "name", None) if sender is not None else None
     name = name or "?"

api/app/tasks/memoir_tasks.py

@@ -185,7 +185,9 @@ def _update_task_status_sync(
 
         logger.debug("任务状态已更新: task_id={} status={}", task_id, status)
     except Exception as e:
-        logger.error("event=memoir_task_status_update_failed msg=更新任务状态失败 exc={}", e)
+        logger.error(
+            "event=memoir_task_status_update_failed msg=更新任务状态失败 exc={}", e
+        )
 
 
 def _merge_chapter_image_assets(

api/app/tasks/story_image_tasks.py

@@ -151,9 +151,7 @@ def _claim_story_image_intent_sync(db, story_id: str, claim_token: str):
 
 
 @shared_task(bind=True, max_retries=3, default_retry_delay=30)
-def generate_story_image(
-    self, story_id: str, memoir_correlation_id: str | None = None
-):
+def generate_story_image(self, story_id: str, memoir_correlation_id: str | None = None):
     """
     为 story 生成主插图。
     从 story_image_intents 原子认领 primary intent，生成后写入 assets 并更新 intent。