Improve Cookbook serve reliability

static/js/cookbook-diagnosis.js

@@ -293,6 +293,21 @@ export const ERROR_PATTERNS = [
       }},
     ],
   },
+  {
+    pattern: /Either a revision or a version must be specified|transformers\.integrations\.hub_kernels|kernels\/layer/i,
+    message: 'vLLM/Transformers kernel package mismatch.',
+    fixes: [
+      { label: 'Update vLLM/Transformers/kernels', action: (panel) => {
+        const taskEl = panel.closest('.cookbook-task');
+        const task = taskEl ? _loadTasks().find(t => t.sessionId === taskEl.dataset.taskId) : null;
+        const host = task?.remoteHost || '';
+        const prefix = _buildEnvPrefix();
+        const pipCmd = prefix ? prefix + ' python3 -m pip install -U vllm transformers kernels' : 'python3 -m pip install -U vllm transformers kernels';
+        const cmd = host ? _sshCmd(host, pipCmd) : pipCmd;
+        _launchServeTask('update-vllm-stack', 'pip-update', cmd);
+      }},
+    ],
+  },
   {
     pattern: /ollama.*command not found/i,
     message: 'Ollama is not installed on this server. Run: curl -fsSL https://ollama.com/install.sh | sh',

static/js/cookbookRunning.js

@@ -2158,10 +2158,6 @@ async function _reconnectTask(el, task) {
               task._serveReady = true;
               _updateTask(task.sessionId, { _serveReady: true });
             }
-            if (!task._serveReady && task.ts && (Date.now() - task.ts) > 300000) {
-              task._serveReady = true;
-              _updateTask(task.sessionId, { _serveReady: true });
-            }
             if (info.phase) {
               badge.textContent = info.phase;
               // Always the green "running" style — loading/warming is the same