完善客户端模块与工作区能力

electron/image-workspace/works-square-workspace.ts

@@ -76,6 +76,7 @@ type ServerConversationSummary = {
   workspace_id: string;
   agent_session_id: string | null;
   title: string;
+  latest_message_preview?: string | null;
   turn_revision: number;
   phase: DesignConversationSummary['phase'];
   brief: ServerBrief;
@@ -270,6 +271,19 @@ function mapWorkspace(workspace: ServerWorkspace): DesignWorkspace {
   };
 }
 
+function normalizeMessagePreview(value: string | null | undefined): string | null {
+  const preview = value?.replace(/\s+/gu, ' ').trim();
+  return preview || null;
+}
+
+function latestServerMessagePreview(messages: ServerMessage[]): string | null {
+  for (let index = messages.length - 1; index >= 0; index -= 1) {
+    const preview = normalizeMessagePreview(messages[index]?.text);
+    if (preview) return preview;
+  }
+  return null;
+}
+
 function mapConversationSummary(
   conversation: ServerConversationSummary,
 ): DesignConversationSummary {
@@ -277,6 +291,9 @@ function mapConversationSummary(
     conversationId: conversation.conversation_id,
     workspaceId: conversation.workspace_id,
     title: conversation.title,
+    latestMessagePreview: normalizeMessagePreview(
+      conversation.latest_message_preview,
+    ) ?? normalizeMessagePreview(conversation.brief.summary),
     turnRevision: conversation.turn_revision,
     phase: conversation.phase,
     brief: mapBrief(conversation.brief),
@@ -286,18 +303,22 @@ function mapConversationSummary(
 }
 
 function mapConversation(conversation: ServerConversation): DesignConversation {
+  const messages = conversation.messages.map((message, index) => ({
+    id: `${conversation.conversation_id}:${message.turn_revision}:${message.role}:${index}`,
+    role: message.role,
+    kind: message.kind,
+    text: message.text,
+    quickReplies: message.quick_replies,
+    generationQuote: mapQuote(message.generation_quote),
+    turnRevision: message.turn_revision,
+    createdAt: message.created_at,
+  }));
   return {
     ...mapConversationSummary(conversation),
-    messages: conversation.messages.map((message, index) => ({
-      id: `${conversation.conversation_id}:${message.turn_revision}:${message.role}:${index}`,
-      role: message.role,
-      kind: message.kind,
-      text: message.text,
-      quickReplies: message.quick_replies,
-      generationQuote: mapQuote(message.generation_quote),
-      turnRevision: message.turn_revision,
-      createdAt: message.created_at,
-    })),
+    latestMessagePreview: latestServerMessagePreview(messages)
+      ?? normalizeMessagePreview(conversation.latest_message_preview)
+      ?? normalizeMessagePreview(conversation.brief.summary),
+    messages,
   };
 }