Help chat (#1007)

src/ipc/ipc_client.ts

@@ -104,10 +104,19 @@ export class IpcClient {
   private ipcRenderer: IpcRenderer;
   private chatStreams: Map<number, ChatStreamCallbacks>;
   private appStreams: Map<number, AppStreamCallbacks>;
+  private helpStreams: Map<
+    string,
+    {
+      onChunk: (delta: string) => void;
+      onEnd: () => void;
+      onError: (error: string) => void;
+    }
+  >;
   private constructor() {
     this.ipcRenderer = (window as any).electron.ipcRenderer as IpcRenderer;
     this.chatStreams = new Map();
     this.appStreams = new Map();
+    this.helpStreams = new Map();
     // Set up listeners for stream events
     this.ipcRenderer.on("chat:response:chunk", (data) => {
       if (
@@ -180,6 +189,48 @@ export class IpcClient {
         console.error("[IPC] Invalid error data received:", error);
       }
     });
+
+    // Help bot events
+    this.ipcRenderer.on("help:chat:response:chunk", (data) => {
+      if (
+        data &&
+        typeof data === "object" &&
+        "sessionId" in data &&
+        "delta" in data
+      ) {
+        const { sessionId, delta } = data as {
+          sessionId: string;
+          delta: string;
+        };
+        const callbacks = this.helpStreams.get(sessionId);
+        if (callbacks) callbacks.onChunk(delta);
+      }
+    });
+
+    this.ipcRenderer.on("help:chat:response:end", (data) => {
+      if (data && typeof data === "object" && "sessionId" in data) {
+        const { sessionId } = data as { sessionId: string };
+        const callbacks = this.helpStreams.get(sessionId);
+        if (callbacks) callbacks.onEnd();
+        this.helpStreams.delete(sessionId);
+      }
+    });
+    this.ipcRenderer.on("help:chat:response:error", (data) => {
+      if (
+        data &&
+        typeof data === "object" &&
+        "sessionId" in data &&
+        "error" in data
+      ) {
+        const { sessionId, error } = data as {
+          sessionId: string;
+          error: string;
+        };
+        const callbacks = this.helpStreams.get(sessionId);
+        if (callbacks) callbacks.onError(error);
+        this.helpStreams.delete(sessionId);
+      }
+    });
   }
 
   public static getInstance(): IpcClient {
@@ -1089,4 +1140,28 @@ export class IpcClient {
   public async deletePrompt(id: number): Promise<void> {
     await this.ipcRenderer.invoke("prompts:delete", id);
   }
+
+  // --- Help bot ---
+  public startHelpChat(
+    sessionId: string,
+    message: string,
+    options: {
+      onChunk: (delta: string) => void;
+      onEnd: () => void;
+      onError: (error: string) => void;
+    },
+  ): void {
+    this.helpStreams.set(sessionId, options);
+    this.ipcRenderer
+      .invoke("help:chat:start", { sessionId, message })
+      .catch((err) => {
+        this.helpStreams.delete(sessionId);
+        showError(err);
+        options.onError(String(err));
+      });
+  }
+
+  public cancelHelpChat(sessionId: string): void {
+    this.ipcRenderer.invoke("help:chat:cancel", sessionId).catch(() => {});
+  }
 }