feat: release chat and mindspace UI updates

tkmind-proxy.mjs

@@ -266,7 +266,7 @@ export async function buildVisionPayload({
   };
 }
 
-export function createTkmindProxy({ apiTarget, apiTargets, apiSecret, userAuth, llmProviderService, localFetchAsset, subscriptionService }) {
+export function createTkmindProxy({ apiTarget, apiTargets, apiSecret, userAuth, llmProviderService, localFetchAsset, subscriptionService, sessionSnapshotService }) {
   const targets = apiTargets?.length ? apiTargets : apiTarget ? [apiTarget] : [];
   const primaryTarget = targets[0] ?? apiTarget ?? '';
   let rrIdx = 0;
@@ -296,6 +296,45 @@ export function createTkmindProxy({ apiTarget, apiTargets, apiSecret, userAuth,
     }
   }
 
+  function isGeneratedSessionName(name) {
+    const normalized = typeof name === 'string' ? name.trim() : '';
+    return /^20\d{6}(?:[_-]\d+)?$/.test(normalized);
+  }
+
+  // A session "name" that carries no real topic: empty, or Goose's default
+  // placeholder before its describe step has run.
+  function hasDefaultSessionName(session) {
+    if (session?.user_set_name) return false;
+    const name = typeof session?.name === 'string' ? session.name.trim() : '';
+    return name === '' || name === 'New Chat' || name === '新对话' || isGeneratedSessionName(name);
+  }
+
+  // For sessions still carrying a default name, fill in a title derived from the
+  // first user message (kept in the snapshot cache) so the history list shows a
+  // meaningful label instead of "会话 <id>". Best-effort: never blocks the list.
+  async function enrichSessionHistory(sessions) {
+    if (!sessionSnapshotService?.isEnabled?.()) return;
+    const needsSummary = sessions.filter(
+      (session) => hasDefaultSessionName(session) || Number(session?.message_count ?? 0) === 0,
+    );
+    if (needsSummary.length === 0) return;
+    try {
+      const summaries = await sessionSnapshotService.getHistorySummaries(needsSummary.map((s) => s.id));
+      for (const session of needsSummary) {
+        const summary = summaries.get(session.id);
+        if (!summary) continue;
+        if (summary.title && hasDefaultSessionName(session)) {
+          session.name = summary.title;
+        }
+        if (Number(session?.message_count ?? 0) === 0 && Number(summary.messageCount ?? 0) > 0) {
+          session.message_count = Number(summary.messageCount);
+        }
+      }
+    } catch {
+      // Non-fatal: fall back to the client-side label.
+    }
+  }
+
   async function pickTarget() {
     if (targets.length <= 1) return primaryTarget;
     for (let i = 0; i < targets.length; i += 1) {
@@ -632,7 +671,10 @@ export function createTkmindProxy({ apiTarget, apiTargets, apiSecret, userAuth,
           if (healthyTargets < targets.length) {
             res.setHeader('X-TKMind-Degraded', '1');
           }
-          res.json({ sessions: [...sessionsById.values()] });
+
+          const sessions = [...sessionsById.values()];
+          await enrichSessionHistory(sessions);
+          res.json({ sessions });
         } catch (err) {
           res.status(500).json({
             message: sanitizeUserFacingProxyMessage(
@@ -725,6 +767,13 @@ export function createTkmindProxy({ apiTarget, apiTargets, apiSecret, userAuth,
       });
 
       const source = Readable.fromWeb(upstream.body);
+
+      // 每 20s 发一个注释行保持连接，防止 nginx/代理因静默超时切断 SSE
+      const keepalive = setInterval(() => {
+        if (!res.writableEnded) res.write(': keepalive\n\n');
+      }, 20000);
+      const stopKeepalive = () => clearInterval(keepalive);
+
       billingTransform.on('data', (chunk) => {
         res.write(chunk);
         if (pendingBalance != null) {
@@ -732,9 +781,10 @@ export function createTkmindProxy({ apiTarget, apiTargets, apiSecret, userAuth,
           pendingBalance = null;
         }
       });
-      billingTransform.on('end', () => res.end());
-      billingTransform.on('error', () => res.end());
-      source.on('error', () => res.end());
+      billingTransform.on('end', () => { stopKeepalive(); res.end(); });
+      billingTransform.on('error', () => { stopKeepalive(); res.end(); });
+      source.on('error', () => { stopKeepalive(); res.end(); });
+      req.on('close', stopKeepalive);
       source.pipe(billingTransform);
     } catch (err) {
       res.status(502).json({