refactor: 移除旧版单文件管理后台兼容

app/api/routes/admin_auth.py

@@ -234,8 +234,6 @@ def change_password(
     body: ChangePasswordRequest,
     principal: AdminPrincipal = Depends(require_permission("admin:access")),
 ):
-    if principal.auth_type == "legacy_token":
-        raise HTTPException(status_code=400, detail="兼容令牌登录不能修改用户密码，请使用用户名密码登录")
     new_password = body.new_password.strip()
     if len(new_password) < 8:
         raise HTTPException(status_code=400, detail="新密码至少需要 8 个字符")

app/api/routes/admin_config.py

@@ -66,16 +66,16 @@ def normalize_install_root(value: str, fallback: str = "..") -> str:
 def admin_change_token(body: ChangeAdminTokenRequest, auth=Depends(require_permission("admin:manage"))):
     new_token = body.new_token.strip()
     if len(new_token) < 8:
-        raise HTTPException(status_code=400, detail="新兼容令牌至少需要 8 个字符")
+        raise HTTPException(status_code=400, detail="新服务端兜底令牌至少需要 8 个字符")
     if len(new_token) > 128:
-        raise HTTPException(status_code=400, detail="新兼容令牌不能超过 128 个字符")
+        raise HTTPException(status_code=400, detail="新服务端兜底令牌不能超过 128 个字符")
     try:
         persist_env_value(ENV_FILE_PATH, "ADMIN_TOKEN", new_token)
     except Exception as exc:
         raise HTTPException(status_code=500, detail=f"令牌已通过校验，但写入 .env 失败: {exc}")
     set_admin_token(new_token)
     os.environ["ADMIN_TOKEN"] = new_token
-    return {"code": 0, "msg": f"兼容管理员令牌已更新，并已写入 {ENV_FILE_PATH}"}
+    return {"code": 0, "msg": f"服务端兜底令牌已更新，并已写入 {ENV_FILE_PATH}"}
 
 
 @router.get("/admin/runtime-config")

app/api/routes/frontend.py

@@ -7,7 +7,6 @@ from app.core.config import configured_path
 
 router = APIRouter(include_in_schema=False)
 
-ADMIN_HTML_PATH = configured_path("ADMIN_HTML_PATH", "legacy/admin.html")
 ADMIN_UI_DIST_PATH = configured_path("ADMIN_UI_DIST_PATH", "admin-ui/dist")
 ADMIN_UI_INDEX_PATH = ADMIN_UI_DIST_PATH / "index.html"
 ADMIN_UI_ASSETS_PATH = ADMIN_UI_DIST_PATH / "assets"
@@ -23,20 +22,10 @@ def mount_admin_assets(app: FastAPI):
 
 
 @router.get("/")
-@router.get("/admin.html")
 def admin_page():
-    if ADMIN_UI_INDEX_PATH.is_file():
-        return FileResponse(ADMIN_UI_INDEX_PATH, headers={"Cache-Control": "no-store"})
-    if not ADMIN_HTML_PATH.is_file():
-        raise HTTPException(status_code=404, detail="管理页面文件不存在")
-    return FileResponse(ADMIN_HTML_PATH, headers={"Cache-Control": "no-store"})
-
-
-@router.get("/legacy-admin.html")
-def legacy_admin_page():
-    if not ADMIN_HTML_PATH.is_file():
-        raise HTTPException(status_code=404, detail="旧管理页面文件不存在")
-    return FileResponse(ADMIN_HTML_PATH, headers={"Cache-Control": "no-store"})
+    if not ADMIN_UI_INDEX_PATH.is_file():
+        raise HTTPException(status_code=404, detail="管理后台前端文件不存在，请先构建 admin-ui/dist")
+    return FileResponse(ADMIN_UI_INDEX_PATH, headers={"Cache-Control": "no-store"})
 
 
 @router.get("/favicon.ico")