Help chat (#1007)

src/preload.ts

@@ -106,6 +106,9 @@ const validInvokeChannels = [
   "restart-dyad",
   "get-templates",
   "portal:migrate-create",
+  // Help bot
+  "help:chat:start",
+  "help:chat:cancel",
   // Prompts
   "prompts:list",
   "prompts:create",
@@ -128,6 +131,10 @@ const validReceiveChannels = [
   "github:flow-success",
   "github:flow-error",
   "deep-link-received",
+  // Help bot
+  "help:chat:response:chunk",
+  "help:chat:response:end",
+  "help:chat:response:error",
 ] as const;
 
 type ValidInvokeChannel = (typeof validInvokeChannels)[number];