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/views/Settings.vue

@@ -277,6 +277,17 @@
                      @change="syncAgentMaxIterations" />
             </div>
           </div>
+          <div class="setting-row">
+            <div class="setting-info">
+              <span class="setting-label">{{ $t('settings.labelAgentMaxRetries') }}</span>
+              <span class="setting-desc">{{ $t('settings.descAgentMaxRetries') }}</span>
+            </div>
+            <div class="setting-control">
+              <input type="number" class="setting-select" min="0" max="10" style="width:80px"
+                     v-model.number="settings.agentMaxRetries"
+                     @change="syncAgentMaxRetries" />
+            </div>
+          </div>
         </div>
       </section>
 
@@ -626,6 +637,8 @@ const settings = reactive({
   llmPerConvConcurrency: appSettings.get<number>('df-llm-per-conv-concurrency', 2),
   // F-260616-01: Agentic 循环最大轮次，默认 10（与后端 DEFAULT_MAX_AGENT_ITERATIONS 对齐）
   agentMaxIterations: appSettings.get<number>('df-ai-agent-max-iterations', 10),
+  // F-260616-07: 流式失败重试次数，默认 3（与后端 DEFAULT_MAX_AGENT_RETRIES 对齐）
+  agentMaxRetries: appSettings.get<number>('df-ai-agent-max-retries', 3),
 })
 
 function applyTheme(theme: string) {
@@ -664,6 +677,10 @@ watch(() => settings.agentMaxIterations, (v) => {
   void appSettings.set('df-ai-agent-max-iterations', v)
 })
 
+watch(() => settings.agentMaxRetries, (v) => {
+  void appSettings.set('df-ai-agent-max-retries', v)
+})
+
 // 同步 LLM 并发上限到后端(debounce 300ms,防快速连续调整时频繁 IPC)
 // 持久化已由上方 watch 写 appSettings(SQLite) 完成;此处只负责同步内存限流器
 let _concurrencyTimer: ReturnType<typeof setTimeout> | null = null
@@ -704,6 +721,23 @@ function syncAgentMaxIterations() {
   }, 300)
 }
 
+// 同步流式失败重试次数到后端(debounce 300ms)
+// F-260616-07: 后端 loop 入口 load 快照锁定边界——热改后当前 loop 不受影响，
+// 下次发消息才生效。双 clamp：此处 0-10 + 后端 command 再 clamp 0-10
+let _agentRetryTimer: ReturnType<typeof setTimeout> | null = null
+function syncAgentMaxRetries() {
+  // clamp 0-10，防越界
+  settings.agentMaxRetries = Math.min(10, Math.max(0, settings.agentMaxRetries ?? 3))
+  if (_agentRetryTimer) clearTimeout(_agentRetryTimer)
+  _agentRetryTimer = setTimeout(async () => {
+    try {
+      await aiApi.setAgentMaxRetries(settings.agentMaxRetries)
+    } catch (e) {
+      console.error('同步流式重试次数失败:', e)
+    }
+  }, 300)
+}
+
 watch(() => settings.language, (val) => {
   void appSettings.set('df-language', val)
   // 同步 i18n 实例，让界面立即跟随语言切换
@@ -772,12 +806,15 @@ onMounted(() => {
   syncConcurrencyConfig()
   // F-260616-01: 启动同步一次 Agentic 最大轮次（防刷新页面后后端未恢复用户设定值）
   syncAgentMaxIterations()
+  // F-260616-07: 启动同步一次流式失败重试次数（防刷新页面后后端未恢复用户设定值）
+  syncAgentMaxRetries()
 })
 
 // 组件卸载清全部 debounce timer,防 unmount 后旧 timer 仍 fire 写已销毁 reactive(timer 泄漏 FR-C3)
 onUnmounted(() => {
   if (_concurrencyTimer) clearTimeout(_concurrencyTimer)
   if (_agentIterTimer) clearTimeout(_agentIterTimer)
+  if (_agentRetryTimer) clearTimeout(_agentRetryTimer)
   if (_knowledgeSaveTimer) clearTimeout(_knowledgeSaveTimer)
   if (_toastTimer) clearTimeout(_toastTimer)
 })