feat: add Electron desktop app

src/components/chat/utils/toolGrouping.ts

@@ -0,0 +1,62 @@
+import type { ChatMessage } from '../types/types';
+
+export const TOOL_GROUP_THRESHOLD = 3;
+
+export interface ToolGroupItem {
+  _isGroup: true;
+  toolName: string;
+  messages: ChatMessage[];
+  timestamp: ChatMessage['timestamp'];
+}
+
+export type MessageListItem = ChatMessage | ToolGroupItem;
+
+export function isToolGroupItem(item: MessageListItem): item is ToolGroupItem {
+  return '_isGroup' in item && (item as ToolGroupItem)._isGroup === true;
+}
+
+function isGroupableToolMessage(message: ChatMessage): message is ChatMessage & { toolName: string } {
+  return Boolean(message.isToolUse && message.toolName && !message.isSubagentContainer);
+}
+
+export function groupConsecutiveTools(messages: ChatMessage[]): MessageListItem[] {
+  const items: MessageListItem[] = [];
+  let index = 0;
+
+  while (index < messages.length) {
+    const message = messages[index];
+
+    if (!isGroupableToolMessage(message)) {
+      items.push(message);
+      index += 1;
+      continue;
+    }
+
+    const run: ChatMessage[] = [message];
+    let nextIndex = index + 1;
+
+    while (
+      nextIndex < messages.length &&
+      isGroupableToolMessage(messages[nextIndex]) &&
+      messages[nextIndex].toolName === message.toolName
+    ) {
+      run.push(messages[nextIndex]);
+      nextIndex += 1;
+    }
+
+    if (run.length >= TOOL_GROUP_THRESHOLD) {
+      items.push({
+        _isGroup: true,
+        toolName: message.toolName,
+        messages: run,
+        timestamp: message.timestamp,
+      });
+    } else {
+      items.push(...run);
+    }
+
+    index = nextIndex;
+  }
+
+  return items;
+}