fix(webui): surface MCP runtime connection failures (#5331)

webui/src/lib/api.ts

@@ -766,7 +766,7 @@ export async function fetchProviderModels(
 
 export async function runMcpPresetAction(
   transport: WebUIMutationTransport,
-  action: "enable" | "disable" | "remove" | "test",
+  action: "enable" | "disable" | "remove" | "test" | "reconnect",
   name: string,
   values: Record<string, string> = {},
 ): Promise<McpPresetsPayload> {

webui/src/lib/types.ts

@@ -965,6 +965,7 @@ export interface McpPresetInfo {
   enabled?: boolean;
   available: boolean;
   status: "not_installed" | "configured" | "missing_credentials" | "missing_dependency" | "coming_soon" | string;
+  runtime_status?: "connecting" | "connected" | "failed" | string;
   logo_url?: string | null;
   brand_color?: string | null;
   required_fields: McpPresetField[];