🪢 feat: Langfuse Connection Configuration

src/components/configuration/ConfigPage.tsx

@@ -17,6 +17,8 @@ import {
   resetBaseConfigFn,
   baseConfigOptions,
   saveBaseConfigFn,
+  getLangfuseConnectionFn,
+  LANGFUSE_CONNECTION_QUERY_KEY,
 } from '@/server';
 import {
   flattenObject,
@@ -38,6 +40,7 @@ import {
   buildSavePayload,
   mergeIndexedArrayEdits,
   partitionScopeResetPaths,
+  withLangfuseConfiguredPath,
 } from './utils';
 import { validateMcpCrossField } from './sections/McpServersRenderer';
 import { ScopeSelector, ScopeTriggerButton } from './ScopeSelector';
@@ -303,7 +306,23 @@ export function ConfigPage({ initialTab, highlightField, initialScope }: t.Confi
     return Array.from(mapSecretPreviewPaths(scopeChangedPaths, schemaPathSet));
   }, [scopeChangedPaths, schemaPathSet]);
 
-  const activeConfiguredPaths = isEditingScope ? scopeConfiguredPaths : configuredPaths;
+  const { data: langfuseConnection } = useQuery({
+    queryKey: LANGFUSE_CONNECTION_QUERY_KEY,
+    queryFn: () => getLangfuseConnectionFn(),
+    enabled:
+      !isEditingScope &&
+      schemaTree.some((section) => section.key === 'langfuse') &&
+      sectionPermissions.langfuse?.canEdit === true,
+    retry: false,
+    refetchOnWindowFocus: false,
+  });
+
+  const baseConfiguredPaths = useMemo(
+    () => withLangfuseConfiguredPath(configuredPaths, langfuseConnection?.configured === true),
+    [configuredPaths, langfuseConnection?.configured],
+  );
+
+  const activeConfiguredPaths = isEditingScope ? scopeConfiguredPaths : baseConfiguredPaths;
 
   const tabConfiguredCounts = useMemo(() => {
     if (activeConfiguredPaths.size === 0) return {};

src/components/configuration/configMeta.ts

@@ -98,6 +98,11 @@ export const SECTION_META: Record<
     descriptionKey: 'com_config_section_messageFilter_desc',
     tab: 'features',
   },
+  langfuse: {
+    titleKey: 'com_config_section_langfuse',
+    descriptionKey: 'com_config_section_langfuse_desc',
+    tab: 'features',
+  },
 
   fileConfig: {
     titleKey: 'com_config_section_file_config',