fix: queue monitor tasks and recover doubao dom answers

apps/desktop-client/src/main/adapters/doubao.test.ts

@@ -251,10 +251,42 @@ describe('doubao adapter helpers', () => {
     })
   })
 
-  it('does not submit a success answer when the SSE stream has no answer text', () => {
+  it('uses DOM answer when Doubao finishes the stream without SSE answer text', () => {
     expect(
       resolveDoubaoSubmissionAnswer({
         answer: null,
+        domAnswer:
+          '口袋门墙体预埋件通常需要确认墙体厚度、轨道承重、缓冲阻尼和检修口位置。选购时建议优先核对门扇重量、轨道长度和五金兼容性。',
+        allowDomAnswer: true,
+      }),
+    ).toEqual({
+      answer:
+        '口袋门墙体预埋件通常需要确认墙体厚度、轨道承重、缓冲阻尼和检修口位置。选购时建议优先核对门扇重量、轨道长度和五金兼容性。',
+      source: 'dom',
+    })
+  })
+
+  it('does not submit DOM answer before a finish signal allows DOM recovery', () => {
+    expect(
+      resolveDoubaoSubmissionAnswer({
+        answer: null,
+        domAnswer:
+          '口袋门墙体预埋件通常需要确认墙体厚度、轨道承重、缓冲阻尼和检修口位置。选购时建议优先核对门扇重量、轨道长度和五金兼容性。',
+        allowDomAnswer: false,
+      }),
+    ).toEqual({
+      answer: null,
+      source: null,
+    })
+  })
+
+  it('does not submit a weak history-title DOM fragment as a success answer', () => {
+    expect(
+      resolveDoubaoSubmissionAnswer({
+        answer: null,
+        domAnswer:
+          '口袋门墙体预埋件全解析 卧室口袋门阻尼缓冲导轨选购安装指南 口袋门防夹手缓冲方案 隐形门合页选购指南',
+        allowDomAnswer: true,
       }),
     ).toEqual({
       answer: null,

apps/desktop-client/src/main/adapters/doubao.ts

@@ -469,14 +469,45 @@ function selectBestDoubaoText(primary: string | null, secondary: string | null):
   return secondaryScore > primaryScore ? secondaryText : primaryText
 }
 
-function resolveDoubaoSubmissionAnswer(input: { answer: string | null }): {
+function isDoubaoSSESubmissionCandidate(value: string | null): boolean {
+  const answer = normalizeOptionalString(value)
+  if (!answer || containsDoubaoMojibakeSignal(answer)) {
+    return false
+  }
+  return true
+}
+
+function isDoubaoDOMSubmissionCandidate(value: string | null): boolean {
+  const answer = normalizeOptionalString(value)
+  if (!answer || containsDoubaoMojibakeSignal(answer)) {
+    return false
+  }
+  if (answer.length < 48) {
+    return false
+  }
+  const punctuationCount = countDoubaoMatches(answer, /[。！？；：，、,.!?;:]/g)
+  if (punctuationCount < 2 && !doubaoHasStructuredAnswerMarkers(answer) && !/\n/.test(answer)) {
+    return false
+  }
+  return doubaoTextQualityScore(answer) >= 180
+}
+
+function resolveDoubaoSubmissionAnswer(input: {
   answer: string | null
-  source: 'sse' | null
+  domAnswer?: string | null
+  allowDomAnswer?: boolean
+}): {
+  answer: string | null
+  source: 'sse' | 'dom' | null
 } {
   const answer = normalizeOptionalString(input.answer)
-  if (answer && !containsDoubaoMojibakeSignal(answer)) {
+  if (isDoubaoSSESubmissionCandidate(answer)) {
     return { answer, source: 'sse' }
   }
+  const domAnswer = normalizeOptionalString(input.domAnswer)
+  if (input.allowDomAnswer === true && isDoubaoDOMSubmissionCandidate(domAnswer)) {
+    return { answer: domAnswer, source: 'dom' }
+  }
 
   return { answer: null, source: null }
 }
@@ -2505,7 +2536,8 @@ const doubaoQueryInPage = async (
         return
       }
       seen.add(href)
-      const visibleText = normalize(element.innerText) ?? normalize(element.textContent) ?? fallbackText
+      const visibleText =
+        normalize(element.innerText) ?? normalize(element.textContent) ?? fallbackText
       links.push({
         url: href,
         title:
@@ -2643,9 +2675,7 @@ const doubaoQueryInPage = async (
     /搜索\s*\d+\s*个关键词|参考\s*\d+\s*篇资料|查看\d+篇资料|参考资料|资料来源/.test(line)
 
   const isReferenceQueryLine = (line: string): boolean =>
-    /[“"「].+[”"」]/.test(line) ||
-    /、/.test(line) ||
-    /关键词|搜索词|查询词/.test(line)
+    /[“"「].+[”"」]/.test(line) || /、/.test(line) || /关键词|搜索词|查询词/.test(line)
 
   const isReferenceItemLine = (line: string): boolean =>
     /^\d+[.、]\s*\S+/.test(line) &&
@@ -3240,6 +3270,8 @@ export const doubaoAdapter: MonitorAdapter = {
       pageResult.ok === false && isDoubaoRecoverablePageError(pageResult.error)
     const submission = resolveDoubaoSubmissionAnswer({
       answer,
+      domAnswer: pageResult.domAnswer,
+      allowDomAnswer: streamSawAnswerFinish || pageResult.ok === true,
     })
     const hasRecoveredAnswer = Boolean(submission.answer)
     const hasRecoveredContent = hasRecoveredAnswer || searchResults.length > 0