fix: update mac packaging and icon handling

src/pages/ChatPage.tsx

@@ -735,7 +735,7 @@ function ChatPage(_props: ChatPageProps) {
         const existingKeys = new Set(
           messagesRef.current.map(m => `${m.serverId}-${m.localId}-${m.createTime}-${m.sortSeq}`)
         )
-        const uniqueNewerMessages = result.messages.filter(msg =>
+        const uniqueNewerMessages = result.messages.filter((msg: Message) =>
           !existingKeys.has(`${msg.serverId}-${msg.localId}-${msg.createTime}-${msg.sortSeq}`)
         )
 

src/types/electron.d.ts

@@ -468,6 +468,18 @@ export interface ElectronAPI {
       hasMore?: boolean;
       error?: string
     }>
+    getMessagesAfter: (
+      sessionId: string,
+      cursorSortSeq: number,
+      limit?: number,
+      cursorCreateTime?: number,
+      cursorLocalId?: number
+    ) => Promise<{
+      success: boolean;
+      messages?: Message[];
+      hasMore?: boolean;
+      error?: string
+    }>
     getAllVoiceMessages: (sessionId: string) => Promise<{
       success: boolean;
       messages?: Message[];