refactor: 重构后端结构并迁移前端到 Vue3

app/api/routers/auth.py

@@ -0,0 +1,36 @@
+from fastapi import APIRouter, Body
+from fastapi.responses import JSONResponse
+
+from app.auth import create_jwt_token, get_auth_config, save_auth_password
+
+
+router = APIRouter(tags=["auth"])
+
+
+@router.post("/api/login")
+async def login(
+    username: str = Body(..., embed=True),
+    password: str = Body(..., embed=True),
+):
+    auth = get_auth_config()
+    if username != auth["username"] or password != auth["password"]:
+        return JSONResponse(status_code=401, content={"detail": "账号或密码错误"})
+
+    token = create_jwt_token({"user": username})
+    return {"success": True, "token": token}
+
+
+@router.post("/api/change-password")
+async def change_password(
+    current_password: str = Body(..., embed=True),
+    new_password: str = Body(..., embed=True),
+):
+    auth = get_auth_config()
+    if current_password != auth["password"]:
+        return JSONResponse(status_code=400, content={"detail": "当前密码错误"})
+    if len(new_password) < 4:
+        return JSONResponse(status_code=400, content={"detail": "新密码长度不能少于 4 位"})
+
+    save_auth_password(new_password)
+    return {"success": True, "message": "密码修改成功"}
+