智教助手平台：完整初始化

- 前端：Vue3 + TS + Element Plus，24 个页面路由（课件/组题/教案/动画/思维导图/作文批改/命题/课堂/资源/社区等）
- 后端：FastAPI + SQLAlchemy + SQLite，17 个路由模块，AI 服务层含降级模板
- AI：glm-5.x 推理模型已禁用思维链，确保输出真实内容
- 修复：ai_service 两处请求体注入 enable_thinking/thinking disabled
- 测试账号：13900999999 / test1234

backend/schemas/mindmap.py

@@ -0,0 +1,32 @@
+from datetime import datetime
+from typing import Any
+from pydantic import BaseModel, Field
+
+
+class MindMapGenerate(BaseModel):
+    topic: str = Field(..., min_length=1, max_length=200)
+    subject: str = "综合"
+    grade: str = ""
+
+
+class MindMapCreate(BaseModel):
+    title: str = Field(..., min_length=1, max_length=200)
+    subject: str = "综合"
+    nodes: list[Any] = Field(default_factory=list)
+
+
+class MindMapUpdate(BaseModel):
+    title: str | None = None
+    nodes: list[Any] | None = None
+
+
+class MindMapOut(BaseModel):
+    id: int
+    user_id: int
+    title: str
+    subject: str = "综合"
+    nodes: list[Any] = Field(default_factory=list)
+    created_at: datetime | None = None
+    updated_at: datetime | None = None
+
+    model_config = {"from_attributes": True}