Q172: disconnecting a provider shows what it stops, then the outcome

Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>

src/preload/index.ts

@@ -56,6 +56,7 @@ const api: DesktopApi = {
   saveProviderCredential: (input) => invoke(IPC_CHANNELS.saveProviderCredential, input),
   setProviderModel: (input) => invoke(IPC_CHANNELS.setProviderModel, input),
   providerEndpoint: (input) => invoke(IPC_CHANNELS.providerEndpoint, input),
+  providerDisconnectImpact: (input) => invoke(IPC_CHANNELS.providerDisconnectImpact, input),
   revokeProviderCredential: (input) => invoke(IPC_CHANNELS.revokeProviderCredential, input),
   startProviderOAuth: (input) => invoke(IPC_CHANNELS.startProviderOAuth, input),
   cancelProviderOAuth: (input) => invoke(IPC_CHANNELS.cancelProviderOAuth, input),