优化: CR-08 P1-2 Dashboard暂无项目+P1-9 useAiStream看门狗文案走i18n(各建zh/en key,composable用全局i18n实例)

src/i18n/en/ai.ts

@@ -10,5 +10,7 @@ export default {
     errorAuth: 'Request failed: the API key is invalid or lacks permission.',
     errorTimeout: 'The response timed out. Please try again.',
     errorNetwork: 'Network connection failed. Please check your network.',
+    streamInterruptedAfterTool: '⚠ The tool finished, but the following reply was interrupted (no data stream for a long time). You can click Continue to retry.',
+    streamInterrupted: '⚠ The response was interrupted (no data stream for a long time). This may be due to a network disconnection or a backend error. Please try again.',
   },
 }

src/i18n/en/dashboard.ts

@@ -27,7 +27,8 @@ export default {
     testing: 'Testing',
     release: 'Release',
     empty: {
-      noProjects: 'No projects yet',
+      noProjects: 'No projects yet, go',
+      noProjectsLink: 'create one',
       noIdeas: 'No ideas yet, click above to capture',
       noData: 'No data',
     },