feature: 新增伏笔管理系统，支持可视化追踪、AI智能关联回收及章节生成时的伏笔提醒

frontend/src/services/api.ts

@@ -470,7 +470,7 @@ export const outlineApi = {
 
 export const characterApi = {
   getCharacters: (projectId: string) =>
-    api.get<unknown, Character[]>(`/characters/project/${projectId}`),
+    api.get<unknown, { total: number; items: Character[] }>(`/characters/project/${projectId}`).then(res => res.items),
 
   getCharacter: (id: string) => api.get<unknown, Character>(`/characters/${id}`),
 
@@ -582,7 +582,7 @@ export const characterApi = {
 
 export const chapterApi = {
   getChapters: (projectId: string) =>
-    api.get<unknown, Chapter[]>(`/chapters/project/${projectId}`),
+    api.get<unknown, { total: number; items: Chapter[] }>(`/chapters/project/${projectId}`).then(res => res.items),
 
   getChapter: (id: string) => api.get<unknown, Chapter>(`/chapters/${id}`),
 
@@ -920,4 +920,85 @@ export const adminApi = {
       success: boolean;
       message: string;
     }>(`/admin/users/${userId}`),
+};
+
+// 伏笔管理API
+export const foreshadowApi = {
+  // 获取项目伏笔列表
+  getProjectForeshadows: (projectId: string, params?: {
+    status?: string;
+    category?: string;
+    source_type?: string;
+    is_long_term?: boolean;
+    page?: number;
+    limit?: number;
+  }) =>
+    api.get<unknown, import('../types').ForeshadowListResponse>(
+      `/foreshadows/projects/${projectId}`,
+      { params }
+    ),
+
+  // 获取伏笔统计
+  getForeshadowStats: (projectId: string, currentChapter?: number) =>
+    api.get<unknown, import('../types').ForeshadowStats>(
+      `/foreshadows/projects/${projectId}/stats`,
+      { params: { current_chapter: currentChapter } }
+    ),
+
+  // 获取章节伏笔上下文
+  getChapterContext: (projectId: string, chapterNumber: number, params?: {
+    include_pending?: boolean;
+    include_overdue?: boolean;
+    lookahead?: number;
+  }) =>
+    api.get<unknown, import('../types').ForeshadowContextResponse>(
+      `/foreshadows/projects/${projectId}/context/${chapterNumber}`,
+      { params }
+    ),
+
+  // 获取待回收伏笔
+  getPendingResolveForeshadows: (projectId: string, currentChapter: number, lookahead?: number) =>
+    api.get<unknown, { total: number; items: import('../types').Foreshadow[] }>(
+      `/foreshadows/projects/${projectId}/pending-resolve`,
+      { params: { current_chapter: currentChapter, lookahead } }
+    ),
+
+  // 获取单个伏笔
+  getForeshadow: (foreshadowId: string) =>
+    api.get<unknown, import('../types').Foreshadow>(`/foreshadows/${foreshadowId}`),
+
+  // 创建伏笔
+  createForeshadow: (data: import('../types').ForeshadowCreate) =>
+    api.post<unknown, import('../types').Foreshadow>('/foreshadows', data),
+
+  // 更新伏笔
+  updateForeshadow: (foreshadowId: string, data: import('../types').ForeshadowUpdate) =>
+    api.put<unknown, import('../types').Foreshadow>(`/foreshadows/${foreshadowId}`, data),
+
+  // 删除伏笔
+  deleteForeshadow: (foreshadowId: string) =>
+    api.delete<unknown, { message: string; id: string }>(`/foreshadows/${foreshadowId}`),
+
+  // 标记伏笔为已埋入
+  plantForeshadow: (foreshadowId: string, data: import('../types').PlantForeshadowRequest) =>
+    api.post<unknown, import('../types').Foreshadow>(`/foreshadows/${foreshadowId}/plant`, data),
+
+  // 标记伏笔为已回收
+  resolveForeshadow: (foreshadowId: string, data: import('../types').ResolveForeshadowRequest) =>
+    api.post<unknown, import('../types').Foreshadow>(`/foreshadows/${foreshadowId}/resolve`, data),
+
+  // 标记伏笔为已废弃
+  abandonForeshadow: (foreshadowId: string, reason?: string) =>
+    api.post<unknown, import('../types').Foreshadow>(
+      `/foreshadows/${foreshadowId}/abandon`,
+      null,
+      { params: { reason } }
+    ),
+
+  // 从分析结果同步伏笔
+  syncFromAnalysis: (projectId: string, data: import('../types').SyncFromAnalysisRequest) =>
+    api.post<unknown, import('../types').SyncFromAnalysisResponse>(
+      `/foreshadows/projects/${projectId}/sync-from-analysis`,
+      data
+    ),
 };