update:1.新增章节内容批量生成功能

backend/app/schemas/chapter.py

@@ -65,4 +65,44 @@ class ChapterGenerateRequest(BaseModel):
         description="目标字数，默认3000字",
         ge=500,   # 最小500字
         le=10000  # 最大10000字
-    )
+    )
+
+
+class BatchGenerateRequest(BaseModel):
+    """批量生成章节的请求模型"""
+    start_chapter_number: int = Field(..., description="起始章节序号")
+    count: int = Field(..., description="生成章节数量", ge=1, le=20)
+    style_id: Optional[int] = Field(None, description="写作风格ID")
+    target_word_count: Optional[int] = Field(
+        3000,
+        description="目标字数，默认3000字",
+        ge=500,
+        le=10000
+    )
+    enable_analysis: bool = Field(False, description="是否启用同步分析")
+    max_retries: int = Field(3, description="每个章节的最大重试次数", ge=0, le=5)
+
+
+class BatchGenerateResponse(BaseModel):
+    """批量生成响应模型"""
+    batch_id: str = Field(..., description="批次ID")
+    message: str = Field(..., description="响应消息")
+    chapters_to_generate: list[dict] = Field(..., description="待生成章节列表")
+    estimated_time_minutes: int = Field(..., description="预估耗时（分钟）")
+
+
+class BatchGenerateStatusResponse(BaseModel):
+    """批量生成状态响应模型"""
+    batch_id: str
+    status: str
+    total: int
+    completed: int
+    current_chapter_id: Optional[str] = None
+    current_chapter_number: Optional[int] = None
+    current_retry_count: Optional[int] = None
+    max_retries: Optional[int] = None
+    failed_chapters: list[dict] = []
+    created_at: Optional[str] = None
+    started_at: Optional[str] = None
+    completed_at: Optional[str] = None
+    error_message: Optional[str] = None