fix(ui): add CUSTOM_ROUTER_PATH support in general settings

- Add CUSTOM_ROUTER_PATH field to UI configuration
  - Fix configuration preservation during save operations

ui/src/components/ConfigProvider.tsx

@@ -103,7 +103,8 @@ export function ConfigProvider({ children }: ConfigProviderProps) {
             longContext: '',
             longContextThreshold: 60000,
             webSearch: ''
-          }
+          },
+          CUSTOM_ROUTER_PATH: typeof data.CUSTOM_ROUTER_PATH === 'string' ? data.CUSTOM_ROUTER_PATH : ''
         };
         
         setConfig(validConfig);
@@ -132,7 +133,8 @@ export function ConfigProvider({ children }: ConfigProviderProps) {
               longContext: '',
               longContextThreshold: 60000,
               webSearch: ''
-            }
+            },
+            CUSTOM_ROUTER_PATH: ''
           });
           setError(err as Error);
         }

ui/src/components/SettingsDialog.tsx

@@ -212,6 +212,21 @@ export function SettingsDialog({ isOpen, onOpenChange }: SettingsDialogProps) {
               className="transition-all-ease focus:scale-[1.01]"
             />
           </div>
+          <div className="space-y-2">
+            <Label
+              htmlFor="custom-router-path"
+              className="transition-all-ease hover:scale-[1.01] cursor-pointer"
+            >
+              {t("toplevel.custom_router_path")}
+            </Label>
+            <Input
+              id="custom-router-path"
+              value={config.CUSTOM_ROUTER_PATH || ""}
+              onChange={(e) => setConfig({ ...config, CUSTOM_ROUTER_PATH: e.target.value })}
+              placeholder={t("toplevel.custom_router_path_placeholder")}
+              className="transition-all-ease focus:scale-[1.01]"
+            />
+          </div>
         </div>
         <DialogFooter className="p-4 pt-0">
           <Button

ui/src/locales/en.json

@@ -42,7 +42,9 @@
     "port": "Port",
     "apikey": "API Key",
     "timeout": "API Timeout (ms)",
-    "proxy_url": "Proxy URL"
+    "proxy_url": "Proxy URL",
+    "custom_router_path": "Custom Router Script Path",
+    "custom_router_path_placeholder": "Enter absolute path to custom router script file"
   },
   "transformers": {
     "title": "Custom Transformers",

ui/src/locales/zh.json

@@ -42,7 +42,9 @@
     "port": "端口",
     "apikey": "API 密钥",
     "timeout": "API 超时时间 (毫秒)",
-    "proxy_url": "代理地址"
+    "proxy_url": "代理地址",
+    "custom_router_path": "自定义路由脚本路径",
+    "custom_router_path_placeholder": "输入自定义路由脚本文件的绝对路径"
   },
   "transformers": {
     "title": "自定义转换器",

ui/src/types.ts

@@ -62,6 +62,7 @@ export interface Config {
   APIKEY: string;
   API_TIMEOUT_MS: string;
   PROXY_URL: string;
+  CUSTOM_ROUTER_PATH?: string;
 }
 
 export type AccessLevel = 'restricted' | 'full';