fix: map flat AI training evaluation payload

src/views/components/TrainingAiEvaluation.vue

@@ -78,10 +78,11 @@ const help = computed(() => normalizeOperation(evaluation.value.help || evaluati
 const assessment = computed(() => normalizeOperation(evaluation.value.assessment || evaluation.value.assessmentEvaluation, evaluation.value, "assessment"));
 const helpStatus = computed(() => help.value.status);
 const assessmentStatus = computed(() => assessment.value.status);
-const helpReport = computed(() => asText(help.value.report || help.value.content || help.value.suggestion));
-const assessmentReport = computed(() => asText(assessment.value.report || assessment.value.content || assessment.value.feedback));
-const score = computed(() => assessment.value.score ?? evaluation.value.score ?? null);
-const scoreCriteria = computed(() => normalizeCriteria(assessment.value.scoreCriteria || evaluation.value.scoreCriteria));
+const helpReport = computed(() => formatReport(help.value.report || help.value.content || help.value.suggestion));
+const assessmentReport = computed(() => formatReport(assessment.value.report || assessment.value.content || assessment.value.feedback));
+const assessmentReportData = computed(() => safeParseJson(evaluation.value.assessmentReportJson));
+const score = computed(() => evaluation.value.assessmentScore ?? assessment.value.score ?? assessmentReportData.value?.score ?? evaluation.value.score ?? null);
+const scoreCriteria = computed(() => normalizeCriteria(assessmentReportData.value?.criteria || assessment.value.scoreCriteria || evaluation.value.scoreCriteria));
 const isHelpDisabled = computed(() => !props.hasAnyAnswer || helpLoading.value || isTerminal(helpStatus.value));
 const isAssessmentDisabled = computed(() => !props.hasAnyAnswer || assessmentLoading.value || isTerminal(assessmentStatus.value));
 const helpActionLabel = computed(() => actionLabel(helpStatus.value, "生成助学建议", helpLoading.value));
@@ -175,10 +176,11 @@ function setLocalStatus(type, status) {
 function normalizeOperation(operation, root, type) {
   const value = operation && typeof operation === "object" ? operation : {};
   const prefix = type === "help" ? "help" : "assessment";
+  const flatReportKey = type === "help" ? "helpReportJson" : "assessmentReportJson";
   return {
     ...value,
     status: String(value.status || root?.[`${prefix}Status`] || "PENDING").toUpperCase(),
-    report: value.report || root?.[`${prefix}Report`] || "",
+    report: value.report || root?.[flatReportKey] || root?.[`${prefix}Report`] || "",
     scoreCriteria: value.scoreCriteria || root?.scoreCriteria || [],
   };
 }
@@ -195,9 +197,25 @@ function normalizeCriteria(value) {
   });
 }
 
-function asText(value) {
+function formatReport(value) {
   if (value == null) return "";
-  return typeof value === "string" ? value : JSON.stringify(value, null, 2);
+  const parsed = typeof value === "string" ? safeParseJson(value) : value;
+  if (parsed == null) return typeof value === "string" ? value : "";
+  try {
+    return JSON.stringify(parsed, null, 2);
+  } catch (error) {
+    return String(value);
+  }
+}
+
+function safeParseJson(value) {
+  if (typeof value !== "string" || !value.trim()) return null;
+  try {
+    const parsed = JSON.parse(value);
+    return parsed && typeof parsed === "object" && !Array.isArray(parsed) ? parsed : null;
+  } catch (error) {
+    return null;
+  }
 }
 
 function isTerminal(status) {

tests/ai-training-evaluation.static.test.cjs

@@ -20,4 +20,8 @@ assert(/!props\.hasAnyAnswer/.test(component), "AI actions should disable when n
 assert(/proxy\?\.\$modal\?\.confirm/.test(component), "assessment should request confirmation through the modal proxy");
 assert(!/v-html/.test(component), "AI reports must be rendered as interpolated text, never v-html");
 assert(/scoreCriteria/.test(component), "assessment should display score criteria");
+assert(/helpReportJson/.test(component) && /assessmentReportJson/.test(component), "flat backend report JSON fields should be mapped for display");
+assert(/assessmentScore/.test(component), "flat backend assessmentScore should be mapped to the displayed score");
+assert(/safeParseJson/.test(component), "flat report JSON should be parsed defensively");
+assert(/safeParseJson\([^)]*assessmentReportJson[^)]*\)[\s\S]*criteria|criteria[\s\S]*safeParseJson\([^)]*assessmentReportJson[^)]*\)/.test(component), "score criteria should be read from parsed assessmentReportJson");
 assert(/retry/.test(component) || /重试/.test(component), "failed AI operations should expose a retry action");