Feat: Add LangfuseCard component. #6155 (#6468)

### What problem does this PR solve?

Feat: Add LangfuseCard component. #6155

### Type of change


- [x] New Feature (non-breaking change which adds functionality)

web/src/services/user-service.ts

@@ -23,6 +23,7 @@ const {
   removeSystemToken,
   createSystemToken,
   getSystemConfig,
+  setLangfuseConfig,
 } = api;
 
 const methods = {
@@ -106,6 +107,18 @@ const methods = {
     url: getSystemConfig,
     method: 'get',
   },
+  setLangfuseConfig: {
+    url: setLangfuseConfig,
+    method: 'put',
+  },
+  getLangfuseConfig: {
+    url: setLangfuseConfig,
+    method: 'get',
+  },
+  deleteLangfuseConfig: {
+    url: setLangfuseConfig,
+    method: 'delete',
+  },
 } as const;
 
 const userService = registerServer<keyof typeof methods>(methods, request);