kin: KIN-083 Healthcheck claude CLI auth: перед запуском pipeline проверять что claude залогинен (быстрый claude -p 'ok' --output-format json, проверить is_error и 'Not logged in'). Если не залогинен — не запускать pipeline, а показать ошибку 'Claude CLI requires login' в GUI с инструкцией.

web/frontend/src/views/TaskDetail.vue

@@ -1,7 +1,7 @@
 <script setup lang="ts">
 import { ref, onMounted, onUnmounted, computed } from 'vue'
 import { useRoute, useRouter } from 'vue-router'
-import { api, type TaskFull, type PipelineStep, type PendingAction, type DeployResult } from '../api'
+import { api, ApiError, type TaskFull, type PipelineStep, type PendingAction, type DeployResult } from '../api'
 import Badge from '../components/Badge.vue'
 import Modal from '../components/Modal.vue'
 
@@ -12,6 +12,7 @@ const router = useRouter()
 const task = ref<TaskFull | null>(null)
 const loading = ref(true)
 const error = ref('')
+const claudeLoginError = ref(false)
 const selectedStep = ref<PipelineStep | null>(null)
 const polling = ref(false)
 let pollTimer: ReturnType<typeof setInterval> | null = null
@@ -206,12 +207,17 @@ async function revise() {
 }
 
 async function runPipeline() {
+  claudeLoginError.value = false
   try {
     await api.runTask(props.id)
     startPolling()
     await load()
   } catch (e: any) {
-    error.value = e.message
+    if (e instanceof ApiError && e.code === 'claude_auth_required') {
+      claudeLoginError.value = true
+    } else {
+      error.value = e.message
+    }
   }
 }
 
@@ -521,6 +527,19 @@ async function saveEdit() {
       </button>
     </div>
 
+    <!-- Claude login error banner -->
+    <div v-if="claudeLoginError" class="mt-3 px-4 py-3 border border-yellow-700 bg-yellow-950/30 rounded">
+      <div class="flex items-start justify-between gap-2">
+        <div>
+          <p class="text-sm font-semibold text-yellow-300">&#9888; Claude CLI requires login</p>
+          <p class="text-xs text-yellow-200/80 mt-1">Откройте терминал и выполните:</p>
+          <code class="text-xs text-yellow-400 font-mono bg-black/30 px-2 py-0.5 rounded mt-1 inline-block">claude login</code>
+          <p class="text-xs text-gray-500 mt-1">После входа повторите запуск pipeline.</p>
+        </div>
+        <button @click="claudeLoginError = false" class="text-gray-600 hover:text-gray-400 bg-transparent border-none cursor-pointer text-xs shrink-0">✕</button>
+      </div>
+    </div>
+
     <!-- Deploy result inline block -->
     <div v-if="deployResult" class="mx-0 mt-2 p-3 rounded border text-xs font-mono"
       :class="deployResult.success ? 'border-teal-800 bg-teal-950/30 text-teal-300' : 'border-red-800 bg-red-950/30 text-red-300'">