WIP-CHECKPOINT[auth-refactor]: 固化工程师崩溃前部分成果 + 同树其他未提交WIP（仅源码，不含密钥/二进制）-- 待重激活工程师续作

backend/app/schemas/knowledge_base.py

@@ -0,0 +1,63 @@
+# =============================================================================
+# 企微IT智能服务台 — 知识库 Pydantic Schema
+# =============================================================================
+# 说明：定义知识库FAQ的请求/响应数据结构
+# 支持 CRUD 操作：创建、读取、更新、删除
+# =============================================================================
+
+from datetime import datetime
+from typing import List, Optional
+
+from pydantic import BaseModel, Field
+
+
+# --------------------------------------------------------------------------
+# 创建知识库条目 Schema
+# --------------------------------------------------------------------------
+class KnowledgeBaseCreate(BaseModel):
+    """创建知识库条目请求 Schema。"""
+
+    category: str = Field(default="其他", max_length=64, description="分类")
+    title: str = Field(..., min_length=1, max_length=256, description="问题标题")
+    content: str = Field(..., min_length=1, description="答案内容")
+    tags: List[str] = Field(default_factory=list, description="标签列表")
+
+
+# --------------------------------------------------------------------------
+# 更新知识库条目 Schema
+# --------------------------------------------------------------------------
+class KnowledgeBaseUpdate(BaseModel):
+    """更新知识库条目请求 Schema。"""
+
+    category: Optional[str] = Field(None, max_length=64, description="分类")
+    title: Optional[str] = Field(None, max_length=256, description="问题标题")
+    content: Optional[str] = Field(None, description="答案内容")
+    tags: Optional[List[str]] = Field(None, description="标签列表")
+
+
+# --------------------------------------------------------------------------
+# 知识库条目响应 Schema
+# --------------------------------------------------------------------------
+class KnowledgeBaseResponse(BaseModel):
+    """知识库条目响应 Schema。"""
+
+    id: str
+    category: str
+    title: str
+    content: str
+    tags: List[str]
+    view_count: int = 0
+    use_count: int = 0
+    created_at: datetime
+    updated_at: datetime
+
+    model_config = {"from_attributes": True}
+
+
+# --------------------------------------------------------------------------
+# 知识库列表响应 Schema
+# --------------------------------------------------------------------------
+class KnowledgeBaseListResponse(BaseModel):
+    """知识库列表响应 Schema。"""
+
+    items: List[KnowledgeBaseResponse]