fix/various fixes

api/tests/test_chapter_story_compose_flow.py

@@ -0,0 +1,59 @@
+"""Story 变更触发章节物化：调用链与 Celery 派发的行为验证（无真实 DB）。"""
+
+import asyncio
+import unittest
+from unittest.mock import AsyncMock, MagicMock, patch
+
+from app.features.story.service import StoryService
+
+
+class ChapterStoryComposeFlowTest(unittest.TestCase):
+    def test_append_version_marks_dirty_and_delays_recompose(self):
+        async def run():
+            db = MagicMock()
+            db.flush = AsyncMock()
+            db.commit = AsyncMock()
+            db.add = MagicMock()
+            story = MagicMock()
+            story.id = "story-1"
+            story.current_version_id = None
+            story.title = "T"
+
+            version = MagicMock()
+            version.id = "ver-new"
+
+            with (
+                patch(
+                    "app.features.story.service.get_story_by_id",
+                    new_callable=AsyncMock,
+                    return_value=story,
+                ),
+                patch(
+                    "app.features.story.service.count_story_versions",
+                    new_callable=AsyncMock,
+                    return_value=0,
+                ),
+                patch(
+                    "app.features.story.service.create_story_version",
+                    new_callable=AsyncMock,
+                    return_value=version,
+                ),
+                patch(
+                    "app.features.story.service._extract_and_store_image_intent",
+                    new_callable=AsyncMock,
+                ),
+                patch(
+                    "app.features.memoir.repo.mark_chapters_dirty_for_story",
+                    new_callable=AsyncMock,
+                ) as m_mark,
+                patch(
+                    "app.tasks.chapter_compose_tasks.recompose_chapters_for_story"
+                ) as m_task,
+            ):
+                m_task.delay = MagicMock()
+                svc = StoryService(db=db)
+                await svc.append_version("story-1", "# 新正文")
+                m_mark.assert_awaited_once_with(db, "story-1")
+                m_task.delay.assert_called_once_with("story-1")
+
+        asyncio.run(run())