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/lesson_plan.py

@@ -0,0 +1,57 @@
+from pydantic import BaseModel, Field
+from datetime import datetime
+from typing import Optional, Any
+
+
+class LessonPlanGenerate(BaseModel):
+    title: str = Field(..., min_length=1)
+    subject: str = ""
+    grade: str = ""
+    objectives: list[str] = []
+    duration: int = Field(default=45, ge=20, le=120)
+    extra_requirements: str = ""
+
+
+class LessonPlanCreate(BaseModel):
+    title: str = Field(..., min_length=1, max_length=200)
+    subject: str = ""
+    grade: str = ""
+    objectives: list[str] = []
+    key_points: list[str] = []
+    difficulties: list[str] = []
+    content: dict[str, Any] = {}
+    duration: int = 45
+    materials: list[str] = []
+    homework: list[str] = []
+
+
+class LessonPlanUpdate(BaseModel):
+    title: Optional[str] = None
+    subject: Optional[str] = None
+    grade: Optional[str] = None
+    objectives: Optional[list[str]] = None
+    key_points: Optional[list[str]] = None
+    difficulties: Optional[list[str]] = None
+    content: Optional[dict[str, Any]] = None
+    duration: Optional[int] = None
+    materials: Optional[list[str]] = None
+    homework: Optional[list[str]] = None
+
+
+class LessonPlanOut(BaseModel):
+    id: int
+    user_id: int
+    title: str
+    subject: str = ""
+    grade: str = ""
+    objectives: list = []
+    key_points: list = []
+    difficulties: list = []
+    content: dict = {}
+    duration: int = 45
+    materials: list = []
+    homework: list = []
+    created_at: datetime | None = None
+    updated_at: datetime | None = None
+
+    model_config = {"from_attributes": True}