Compact imported single-thread conversation copy

src/lib/boss-projections.ts

@@ -355,11 +355,12 @@ function buildConversationItem(state: BossState, project: Project): Conversation
   const devices = state.devices.filter((device) => project.deviceIds.includes(device.id));
   const threadViews = threadViewsForProject(state, project.id);
   const topThread = threadViews[0]?.snapshot;
-  const threadTitle = project.threadMeta?.threadDisplayName ?? project.name;
+  const threadTitle = trimLocalWorkspacePrefix(project.threadMeta?.threadDisplayName ?? project.name);
   const folderLabel = project.threadMeta?.folderName ?? "";
   const activityIconCount = deriveConversationActivityIconCount(state, project);
   const topPinnedLabel = isTopPinnedConversation(project) ? "置顶" : undefined;
   const latestConversationActivityAt = deriveLatestConversationActivityAt(project);
+  const compactPreview = compactImportedThreadPreview(project.preview);
   const groupMembers = project.isGroup
     ? project.groupMembers.map((member) => ({
         threadId: member.threadId,
@@ -379,8 +380,8 @@ function buildConversationItem(state: BossState, project: Project): Conversation
     threadTitle,
     folderLabel,
     folderKey: buildFolderKey(project),
-    preview: project.preview,
-    lastMessagePreview: project.preview,
+    preview: compactPreview,
+    lastMessagePreview: compactPreview,
     activityIconCount,
     topPinnedLabel,
     manualPinned: Boolean(project.pinned && !project.systemPinned),