Compact imported folder conversation previews

src/lib/boss-projections.ts

@@ -488,6 +488,33 @@ function buildFolderSearchAliases(items: ConversationItem[]) {
     : undefined;
 }
 
+function compactImportedThreadPreview(preview?: string) {
+  const value = preview?.trim();
+  if (!value) return "";
+  if (/^已从设备.+导入线程《.+》[。.]?$/.test(value)) {
+    return "已导入线程";
+  }
+  return value;
+}
+
+function trimLocalWorkspacePrefix(label?: string) {
+  const value = label?.trim();
+  if (!value) return "";
+  const normalized = value.replaceAll("\\", "/");
+  const patterns = [
+    /^\/Users\/[^/]+\/code\/(.+)$/i,
+    /^\/home\/[^/]+\/code\/(.+)$/i,
+    /^[A-Za-z]:\/Users\/[^/]+\/code\/(.+)$/i,
+  ];
+  for (const pattern of patterns) {
+    const match = normalized.match(pattern);
+    if (match?.[1]) {
+      return match[1];
+    }
+  }
+  return value;
+}
+
 export function getConversationItems(state: BossState): ConversationItem[] {
   const conversations = state.projects.map((project) => buildConversationItem(state, project));
 
@@ -548,8 +575,12 @@ export function getConversationHomeItems(state: BossState): ConversationItem[] {
         }
         return b.latestReplyAt.localeCompare(a.latestReplyAt);
       })[0];
-    const recentThreadLabel = latestItem.threadTitle.trim();
+    const recentThreadLabel = trimLocalWorkspacePrefix(latestItem.threadTitle);
     const searchAliases = buildFolderSearchAliases(items);
+    const latestPreview = compactImportedThreadPreview(latestItem.preview);
+    const latestMessagePreview = compactImportedThreadPreview(
+      latestItem.lastMessagePreview || latestItem.preview,
+    );
     passthrough.push({
       conversationId: `folder-${folderKey}`,
       conversationType: "folder_archive",
@@ -571,12 +602,11 @@ export function getConversationHomeItems(state: BossState): ConversationItem[] {
             searchTargetProjectIds: searchAliases.targetProjectIds,
           }
         : {}),
-      preview:
-        latestItem.preview || `包含 ${items.length} 个线程，最近活跃：《${latestItem.threadTitle}》`,
+      preview: latestPreview || `包含 ${items.length} 个线程，最近活跃：《${recentThreadLabel || latestItem.threadTitle}》`,
       lastMessagePreview:
-        latestItem.lastMessagePreview ||
-        latestItem.preview ||
-        `包含 ${items.length} 个线程，最近活跃：《${latestItem.threadTitle}》`,
+        latestMessagePreview ||
+        latestPreview ||
+        `包含 ${items.length} 个线程，最近活跃：《${recentThreadLabel || latestItem.threadTitle}》`,
       activityIconCount: Math.max(0, Math.min(4, items.reduce((sum, entry) => sum + entry.activityIconCount, 0))),
       latestReplyAt: latestItem.latestReplyAt,
       latestReplyLabel: latestItem.latestReplyLabel,

tests/conversation-home-items.test.ts

@@ -542,6 +542,45 @@ test("folder archive homepage rows keep the project title, compact subtitle, and
   assert.equal(presentation.href, "/conversations/folders/mac-studio%3Aboss");
 });
 
+test("conversation home compacts imported previews and trims local workspace prefixes from folder subtitles", async () => {
+  await setup();
+  const state = await readState();
+
+  state.projects = state.projects.filter((project) => project.id === "master-agent");
+  state.projects.push(
+    {
+      ...buildImportedThreadProject(
+        "mac-studio",
+        "wenshen-thread-1",
+        "wenshenapp",
+        "/Users/kris/code/wenshenapp",
+        "/Users/kris/code/wenshenapp/docs/superpowers/specs/2026-04-06-context-cleanup-design.md",
+        "thread-1",
+        "2026-04-06T15:00:00+08:00",
+      ),
+      preview: "已从设备 Mac Studio 导入线程《/Users/kris/code/wenshenapp/docs/superpowers/specs/2026-04-06-context-cleanup-design.md》。",
+      lastMessageAt: "2026-04-06T15:00:00+08:00",
+    },
+    buildImportedThreadProject(
+      "mac-studio",
+      "wenshen-thread-2",
+      "wenshenapp",
+      "/Users/kris/code/wenshenapp",
+      "补齐 Android 会话可读性",
+      "thread-2",
+      "2026-04-06T14:00:00+08:00",
+    ),
+  );
+
+  const folder = getConversationHomeItems(state).find((item) => item.projectId === "mac-studio:/users/kris/code/wenshenapp");
+
+  assert.ok(folder, "expected grouped folder archive item");
+  assert.equal(folder?.conversationType, "folder_archive");
+  assert.equal(folder?.folderLabel, "2 个线程 · 最近：wenshenapp/docs/superpowers/specs/2026-04-06-context-cleanup-design.md");
+  assert.equal(folder?.preview, "已导入线程");
+  assert.equal(folder?.lastMessagePreview, "已导入线程");
+});
+
 test("folder archive homepage rows expose pin toggles when the folder is pinned", async () => {
   await setup();
   const state = await readState();