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/alembic/versions/c3d4e5f6a7b8_add_reset_codes_table.py

@@ -0,0 +1,37 @@
+"""add reset codes table
+
+Revision ID: c3d4e5f6a7b8
+Revises: b2c3d4e5f6a7
+Create Date: 2026-07-22 10:00:00.000000
+"""
+from typing import Sequence, Union
+
+from alembic import op
+import sqlalchemy as sa
+
+
+revision: str = 'c3d4e5f6a7b8'
+down_revision: Union[str, None] = 'b2c3d4e5f6a7'
+branch_labels: Union[str, Sequence[str], None] = None
+depends_on: Union[str, Sequence[str], None] = None
+
+
+def upgrade() -> None:
+    op.create_table(
+        'reset_codes',
+        sa.Column('id', sa.Integer(), nullable=False),
+        sa.Column('phone', sa.String(length=20), nullable=False),
+        sa.Column('code', sa.String(length=6), nullable=False),
+        sa.Column('consumed', sa.Integer(), nullable=False, server_default='0'),
+        sa.Column('expires_at', sa.DateTime(), nullable=False),
+        sa.Column('created_at', sa.DateTime(), server_default=sa.func.now(), nullable=True),
+        sa.PrimaryKeyConstraint('id'),
+    )
+    op.create_index('ix_reset_codes_id', 'reset_codes', ['id'])
+    op.create_index('ix_reset_codes_phone', 'reset_codes', ['phone'])
+
+
+def downgrade() -> None:
+    op.drop_index('ix_reset_codes_phone', table_name='reset_codes')
+    op.drop_index('ix_reset_codes_id', table_name='reset_codes')
+    op.drop_table('reset_codes')