fix(agent): add getMessages method and fix TypeScript errors

- Add getMessages() to Agent and AsyncAgent for retrieving session history
- Fix type annotations in hub.ts for AgentMessage handling
- Remove duplicate type export in preload.ts

Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>

apps/desktop/electron/ipc/hub.ts

@@ -341,13 +341,13 @@ export function registerHubIpcHandlers(): void {
     }
 
     try {
-      const sessionMessages = await agent.getMessages()
+      const sessionMessages = agent.getMessages()
       const messages = sessionMessages
         .filter((m) => m.role === 'user' || m.role === 'assistant')
         .map((m, i) => ({
           id: `history-${i}-${Date.now()}`,
           role: m.role as 'user' | 'assistant',
-          content: extractTextContent(m.content),
+          content: extractTextContent((m as { content?: unknown }).content),
           agentId,
         }))
         .filter((m) => m.content.length > 0)

apps/desktop/electron/preload.ts

@@ -159,9 +159,6 @@ const electronAPI = {
 // Expose to renderer
 contextBridge.exposeInMainWorld('electronAPI', electronAPI)
 
-// Re-export LocalChatEvent type for use in renderer
-export type { LocalChatEvent }
-
 // Also expose ipcRenderer for backward compatibility
 contextBridge.exposeInMainWorld('ipcRenderer', {
   on(...args: Parameters<typeof ipcRenderer.on>) {

src/agent/async-agent.ts

@@ -1,5 +1,5 @@
 import { v7 as uuidv7 } from "uuid";
-import type { AgentEvent } from "@mariozechner/pi-agent-core";
+import type { AgentEvent, AgentMessage } from "@mariozechner/pi-agent-core";
 import { Agent } from "./runner.js";
 import { Channel } from "./channel.js";
 import type { AgentOptions, Message } from "./types.js";
@@ -214,4 +214,11 @@ export class AsyncAgent {
   reloadSystemPrompt(): void {
     this.agent.reloadSystemPrompt();
   }
+
+  /**
+   * Get all messages from the current session.
+   */
+  getMessages(): AgentMessage[] {
+    return this.agent.getMessages();
+  }
 }

src/agent/runner.ts

@@ -482,6 +482,11 @@ export class Agent {
     return this.agent.state.tools?.map(t => t.name) ?? [];
   }
 
+  /** Get all messages from the current session */
+  getMessages(): AgentMessage[] {
+    return this.agent.state.messages.slice();
+  }
+
   /**
    * Get all skills with their eligibility status.
    * Returns empty array if skills are disabled.