feat：问题生成过程优化及COT数据生成优化 (#169)

* fix(chart): update Helm chart helpers and values for improved configuration

* feat(SynthesisTaskTab): enhance task table with tooltip support and improved column widths

* feat(CreateTask, SynthFileTask): improve task creation and detail view with enhanced payload handling and UI updates

* feat(SynthFileTask): enhance file display with progress tracking and delete action

* feat(SynthFileTask): enhance file display with progress tracking and delete action

* feat(SynthDataDetail): add delete action for chunks with confirmation prompt

* feat(SynthDataDetail): update edit and delete buttons to icon-only format

* feat(SynthDataDetail): add confirmation modals for chunk and synthesis data deletion

* feat(DocumentSplitter): add enhanced document splitting functionality with CJK support and metadata detection

* feat(DataSynthesis): refactor data synthesis models and update task handling logic

* feat(DataSynthesis): streamline synthesis task handling and enhance chunk processing logic

* feat(DataSynthesis): refactor data synthesis models and update task handling logic

* fix(generation_service): ensure processed chunks are incremented regardless of question generation success

* feat(CreateTask): enhance task creation with new synthesis templates and improved configuration options

* feat(CreateTask): enhance task creation with new synthesis templates and improved configuration options

* feat(CreateTask): enhance task creation with new synthesis templates and improved configuration options

* feat(CreateTask): enhance task creation with new synthesis templates and improved configuration options

runtime/datamate-python/app/module/generation/schema/generation.py

@@ -11,33 +11,45 @@ class TextSplitConfig(BaseModel):
     chunk_overlap: int = Field(..., description="重叠令牌数")
 
 
-class SynthesisConfig(BaseModel):
+class SyntheConfig(BaseModel):
     """合成配置"""
-    prompt_template: str = Field(..., description="合成提示模板")
-    synthesis_count: int = Field(None, description="单个chunk合成的数据数量")
+    model_id: str = Field(..., description="模型ID")
+    prompt_template: str = Field(None, description="合成提示模板")
+    number: Optional[int] = Field(None, description="单个chunk合成的数据数量")
     temperature: Optional[float] = Field(None, description="温度参数")
 
 
+class Config(BaseModel):
+    """配置"""
+    text_split_config: TextSplitConfig = Field(None, description="文本切片配置")
+    question_synth_config: SyntheConfig = Field(None, description="问题合成配置")
+    answer_synth_config: SyntheConfig = Field(None, description="答案合成配置")
+    # 新增：整个任务允许生成的 QA 总上限（问题/答案对数量）
+    max_qa_pairs: Optional[int] = Field(
+        default=None,
+        description="整个任务允许生成的 QA 对总量上限；为 None 或 <=0 表示不限制",
+    )
+
+
 class SynthesisType(Enum):
     """合成类型"""
     QA = "QA"
     COT = "COT"
+    QUESTION = "QUESTION"
 
 
 class CreateSynthesisTaskRequest(BaseModel):
     """创建数据合成任务请求"""
     name: str = Field(..., description="合成任务名称")
     description: Optional[str] = Field(None, description="合成任务描述")
-    model_id: str = Field(..., description="模型ID")
-    source_file_id: list[str] = Field(..., description="原始文件ID列表")
-    text_split_config: TextSplitConfig = Field(None, description="文本切片配置")
-    synthesis_config: SynthesisConfig = Field(..., description="合成配置")
     synthesis_type: SynthesisType = Field(..., description="合成类型")
+    source_file_id: list[str] = Field(..., description="原始文件ID列表")
+    synth_config: Config = Field(..., description="合成配置")
 
     @field_validator("description")
     @classmethod
     def empty_string_to_none(cls, v: Optional[str]) -> Optional[str]:
-        """前端如果传入空字符串，将其统一转换为 None，避免存库时看起来像有描述但实际上为空。"""
+        """前端如果传入空字符串，将其统一转化为 None，避免存库时看起来像有描述但实际上为空。"""
         if isinstance(v, str) and v.strip() == "":
             return None
         return v
@@ -50,17 +62,7 @@ class DataSynthesisTaskItem(BaseModel):
     description: Optional[str] = None
     status: Optional[str] = None
     synthesis_type: str
-    model_id: str
-    progress: int
-    result_data_location: Optional[str] = None
-    text_split_config: Dict[str, Any]
-    synthesis_config: Dict[str, Any]
-    source_file_id: list[str]
     total_files: int
-    processed_files: int
-    total_chunks: int
-    processed_chunks: int
-    total_synthesis_data: int
     created_at: Optional[datetime] = None
     updated_at: Optional[datetime] = None
     created_by: Optional[str] = None
@@ -85,7 +87,6 @@ class DataSynthesisFileTaskItem(BaseModel):
     synthesis_instance_id: str
     file_name: str
     source_file_id: str
-    target_file_location: str
     status: Optional[str] = None
     total_chunks: int
     processed_chunks: int
@@ -108,7 +109,7 @@ class PagedDataSynthesisFileTaskResponse(BaseModel):
 
 
 class DataSynthesisChunkItem(BaseModel):
-    """数据合成文件下的 chunk 记录"""
+    """数据合成任务下的 chunk 记录"""
     id: str
     synthesis_file_instance_id: str
     chunk_index: Optional[int] = None