重构: AI流式断线保文StreamResult三分支+重试对齐决策a1,推进链落df-nodes

src/i18n/en/ai.ts

@@ -22,8 +22,12 @@ 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.',
+    // CR-30-2 / F-260616-07(d) / decision a1: stream pre-failure retry bubble copy
+    aiStreamRetry: '⚠ Request failed, retrying ({attempt}/{max})…',
     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.',
+    // UX-2025-04 / CR-30-2 / decision a1: system notice bubble after mid-stream failure preserve (frontend mirrors backend session.messages)
+    responseIncomplete: '⚠ The response is incomplete due to a network interruption. The above is the partial content received. You can resend to get a full reply.',
     queueFull: 'Send queue is full (max {limit} items)',
     forceSendConfirm: 'AI generation appears stuck. Force-stop and send anyway? (This may interrupt the current response)',
     forceSendBtn: 'Force Send',

src/i18n/en/settings.ts

@@ -79,6 +79,9 @@ export default {
     labelAgentMaxIterations: 'Agent max iterations',
     descAgentMaxIterations: 'Max rounds of the agentic loop (stream → tool → feedback) (1-50, default 10); changes take effect on the next message',
 
+    labelAgentMaxRetries: 'Stream failure retries',
+    descAgentMaxRetries: 'Auto-retry count on stream failure (0-10, default 3); only retries pre-stream failures (no token output yet); mid-stream failures are abandoned',
+
     // ===== Knowledge base panel =====
     panelKnowledge: '📚 Knowledge base',
     labelAutoExtract: 'Auto-distill knowledge',