feat: add JWT authentication and AGENTS.md

api/app/routers/__init__.py

@@ -1,10 +1,9 @@
 from fastapi import APIRouter
-from app.routers import tasks, categories, tags, user_settings, habits, anniversaries, accounts
+from app.routers import tasks, categories, tags, user_settings, habits, anniversaries, accounts, auth
 
-# 创建主路由
 api_router = APIRouter()
 
-# 注册子路由
+api_router.include_router(auth.router)
 api_router.include_router(tasks.router)
 api_router.include_router(categories.router)
 api_router.include_router(tags.router)

api/app/routers/auth.py

@@ -0,0 +1,51 @@
+from fastapi import APIRouter, Depends, HTTPException, Request
+from sqlalchemy.orm import Session
+
+from app.database import get_db
+from app.models.user_settings import UserSettings
+from app.schemas.auth import LoginRequest, TokenResponse, ChangePasswordRequest
+from app.utils.auth import (
+    hash_password, verify_password, create_access_token,
+    get_current_user, set_default_password
+)
+
+router = APIRouter(prefix="/api/auth", tags=["认证"])
+
+
+@router.post("/login", response_model=TokenResponse)
+def login(data: LoginRequest, db: Session = Depends(get_db)):
+    settings = db.query(UserSettings).filter(UserSettings.id == 1).first()
+    if not settings:
+        settings = UserSettings(id=1)
+        db.add(settings)
+        db.commit()
+        db.refresh(settings)
+
+    set_default_password(db, settings)
+
+    if not verify_password(data.password, settings.password_hash):
+        raise HTTPException(status_code=401, detail="密码错误")
+
+    token = create_access_token({"sub": str(settings.id)})
+    return TokenResponse(access_token=token)
+
+
+@router.post("/change-password")
+def change_password(
+    data: ChangePasswordRequest,
+    request: Request,
+    db: Session = Depends(get_db)
+):
+    get_current_user(request)
+
+    settings = db.query(UserSettings).filter(UserSettings.id == 1).first()
+    if not settings:
+        raise HTTPException(status_code=500, detail="用户设置不存在")
+
+    if not verify_password(data.old_password, settings.password_hash):
+        raise HTTPException(status_code=400, detail="原密码错误")
+
+    settings.password_hash = hash_password(data.new_password)
+    db.commit()
+
+    return {"message": "密码修改成功"}