feat: implement chat history and user sign-in features

.env.example

@@ -11,9 +11,11 @@ NUXT_GITHUB_TOKEN=
 NUXT_PUBLIC_TURNSTILE_SITE_KEY=
 
 # ===================================
-# Authentication (Optional)
+# Authentication
 # ===================================
-# Required only for the feedback analytics admin dashboard
+# Sign-in is open to anyone with a GitHub account.
+# Admin access (admin dashboard, admin MCP) is restricted to Nuxt core team members
+# and any logins listed in NUXT_ADMIN_GITHUB_LOGINS.
 # Create a GitHub OAuth app at: https://github.com/settings/applications/new
 # Callback URL: http://localhost:3000/api/auth/github (adjust for your domain)
 
@@ -27,6 +29,10 @@ NUXT_OAUTH_GITHUB_CLIENT_SECRET=
 # You can use: openssl rand -base64 32
 NUXT_SESSION_PASSWORD=
 
+# Comma-separated list of GitHub logins that should be granted admin role
+# (in addition to Nuxt core team members)
+NUXT_ADMIN_GITHUB_LOGINS=
+
 # MCP Evaluation (Optional - for running evalite tests)
 AI_GATEWAY_API_KEY=
 MCP_URL=http://localhost:3000/mcp

app/app.vue

@@ -1,7 +1,8 @@
 <script setup lang="ts">
 const colorMode = useColorMode()
 const route = useRoute()
-const isChatRoute = computed(() => route.path === '/chat' || route.path.startsWith('/chat/'))
+const isChatRoute = computed(() => route.path.startsWith('/dashboard/chat') || route.path.startsWith('/admin/analytics'))
+
 const { version } = useDocsVersion()
 const { searchGroups, searchLinks, searchTerm, searchFuse } = useNavigation()
 const { fetchList: fetchModules } = useModules()
@@ -10,6 +11,14 @@ const { track } = useAnalytics()
 
 const color = computed(() => colorMode.value === 'dark' ? '#020420' : 'white')
 
+defineShortcuts({
+  d: {
+    handler: () => {
+      colorMode.preference = colorMode.value === 'dark' ? 'light' : 'dark'
+    }
+  }
+})
+
 watch(() => colorMode.preference, (newMode, oldMode) => {
   if (oldMode && newMode !== oldMode) {
     track('Color Mode Changed', { mode: newMode })