fix: trace debug — show Stranger_NNN for unnamed traces instead of unknown

portal/src/views/LoginView.vue

@@ -54,9 +54,9 @@
         </button>
       </form>
 
-      <!-- API Demo -->
-      <div class="mt-8 pt-6 border-t border-gray-700">
-        <h3 class="text-sm font-medium text-gray-400 mb-3">API 範例</h3>
+      <!-- API Demo (dev mode only) -->
+      <div v-if="showApiExamples" class="mt-8 pt-6 border-t border-gray-700">
+        <h3 class="text-sm font-medium text-gray-400 mb-3">API 範例 <span class="text-xs text-yellow-500">(dev)</span></h3>
         <div class="space-y-2 text-xs font-mono">
           <div class="bg-gray-900 p-2 rounded">
             <span class="text-green-400"># Login</span>
@@ -76,18 +76,26 @@
 </template>
 
 <script setup lang="ts">
-import { ref, computed } from 'vue'
-import { useRouter } from 'vue-router'
+import { ref, computed, onMounted } from 'vue'
+import { useRouter, useRoute } from 'vue-router'
 import { httpFetch, getCurrentConfig, saveConfig } from '@/api/client'
 
-const username = ref('')
-const password = ref('')
+const route = useRoute()
+const router = useRouter()
+const username = ref(route.query.username as string || '')
+const password = ref(route.query.password as string || '')
 const error = ref('')
 const loading = ref(false)
 const showPassword = ref(false)
-const router = useRouter()
 
 const baseUrl = computed(() => getCurrentConfig().api_base_url)
+const showApiExamples = ref(localStorage.getItem('devMode') === 'true')
+
+onMounted(() => {
+  if (username.value && password.value) {
+    handleLogin()
+  }
+})
 
 const handleLogin = async () => {
   error.value = ''
@@ -109,7 +117,8 @@ const handleLogin = async () => {
       localStorage.setItem('momentry_user', JSON.stringify(data.user))
       localStorage.setItem('momentry_api_key', data.api_key)
       saveConfig({ ...config, api_key: data.api_key })
-      router.push('/home')
+      const redirect = (route.query.redirect as string) || '/home'
+      router.push(redirect)
     } else {
       error.value = data.message || 'Login failed'
     }