fix(mcp): avoid false failed startup status

ui-tui/src/types.ts

@@ -138,6 +138,8 @@ export type SectionVisibility = Partial<Record<SectionName, DetailsMode>>
 
 export interface McpServerStatus {
   connected: boolean
+  disabled?: boolean
+  status?: 'configured' | 'connecting' | 'connected' | 'disabled' | 'failed'
   name: string
   tools: number
   transport: string