fix: user

backend/app/rules/transit_rules.py

@@ -51,7 +51,8 @@ def is_fee_tolerant_transit_pair(tx_a: TransactionRecord, tx_b: TransactionRecor
     amount_b = float(tx_b.amount or 0)
     if amount_a <= 0 or amount_b <= 0:
         return False
-    if _amount_ratio_diff(amount_a, amount_b) > FEE_TOLERANCE_RATIO:
+    diff_ratio = _amount_ratio_diff(amount_a, amount_b)
+    if diff_ratio > FEE_TOLERANCE_RATIO:
         return False
 
     time_a = tx_a.trade_time
@@ -59,7 +60,8 @@ def is_fee_tolerant_transit_pair(tx_a: TransactionRecord, tx_b: TransactionRecor
     if not isinstance(time_a, datetime) or not isinstance(time_b, datetime):
         return False
     try:
-        return abs((time_a - time_b).total_seconds()) <= FEE_TRANSIT_WINDOW_SECONDS
+        seconds_gap = abs((time_a - time_b).total_seconds())
+        return seconds_gap <= FEE_TRANSIT_WINDOW_SECONDS
     except TypeError:
         return False
 

backend/app/schemas/report.py

@@ -13,6 +13,7 @@ class ReportCreate(CamelModel):
     include_timeline: bool = True
     include_reasons: bool = True
     include_inquiry: bool = False
+    include_record_qa: bool = False
 
 
 class ReportOut(CamelModel):

backend/app/services/assessment_service.py

@@ -15,7 +15,7 @@ logger = logging.getLogger(__name__)
 
 
 async def assess_case(case_id: UUID, db: AsyncSession) -> list[FraudAssessment]:
-    """Run rule-based assessment on all non-duplicate transactions and replace old results."""
+    """Run rule-based assessment and replace old results."""
     # Replace mode: rerun analysis for the same case should overwrite prior assessments
     # instead of appending duplicated rows.
     await db.execute(
@@ -26,23 +26,40 @@ async def assess_case(case_id: UUID, db: AsyncSession) -> list[FraudAssessment]:
     result = await db.execute(
         select(TransactionRecord)
         .where(TransactionRecord.case_id == case_id)
-        .where(TransactionRecord.is_duplicate.is_(False))
         .order_by(TransactionRecord.trade_time.asc())
     )
     transactions = list(result.scalars().all())
 
     assessments: list[FraudAssessment] = []
     for tx in transactions:
-        level, reason, exclude_reason = classify_transaction(tx)
+        if tx.is_duplicate:
+            level = ConfidenceLevel.low
+            reason = "该笔交易在交易归并中已标记为重复记录，属于同一笔交易的重复展示。"
+            exclude_reason = "交易归并已判定重复（订单号一致或人工标记为重复），不重复计入被骗金额。"
+            review_status = ReviewStatus.rejected
+            assessed_amount = 0
+        elif tx.is_transit:
+            level = ConfidenceLevel.low
+            reason = (
+                f"该笔交易在交易归并中已标记为中转（{tx.source_app.value} -> {tx.counterparty_name}），"
+                "属于本人账户间资金流转。"
+            )
+            exclude_reason = "交易归并已判定中转（本人账户间互转），不直接计入被骗金额。"
+            review_status = ReviewStatus.rejected
+            assessed_amount = 0
+        else:
+            level, reason, exclude_reason = classify_transaction(tx)
+            review_status = ReviewStatus.pending
+            assessed_amount = float(tx.amount) if level != ConfidenceLevel.low else 0
 
         fa = FraudAssessment(
             case_id=case_id,
             transaction_id=tx.id,
             confidence_level=level,
-            assessed_amount=float(tx.amount) if level != ConfidenceLevel.low else 0,
+            assessed_amount=assessed_amount,
             reason=reason,
             exclude_reason=exclude_reason,
-            review_status=ReviewStatus.pending,
+            review_status=review_status,
         )
         db.add(fa)
         assessments.append(fa)

backend/app/services/report_service.py

@@ -102,6 +102,27 @@ def _mask_text(value: str, keep: int = 12) -> str:
     return f"{text[:keep]}..."
 
 
+def _build_record_qa_draft(transactions: list[TransactionRecord], assessment_by_tx: dict) -> str:
+    candidates = [tx for tx in transactions if not tx.is_duplicate]
+    if not candidates:
+        return "问：具体的转账信息？\n答：目前暂无可确认的转账信息。"
+
+    candidates = sorted(candidates, key=lambda x: x.trade_time or datetime.min)
+    lines: list[str] = []
+    for idx, tx in enumerate(candidates, 1):
+        fa = assessment_by_tx.get(tx.id)
+        status = fa.review_status.value if fa else "pending"
+        cp_account = f"，对方账号{tx.counterparty_account}" if tx.counterparty_account else ""
+        order_no = f"，订单号{tx.order_no}" if tx.order_no else ""
+        remark = f"，备注“{tx.remark}”" if tx.remark else ""
+        lines.append(
+            f"第{idx}笔是{_fmt_dt(tx.trade_time, with_seconds=True)}通过{tx.source_app.value}"
+            f"{'转出' if tx.direction.value == 'out' else '转入'}人民币{float(tx.amount):,.2f}元至{tx.counterparty_name}"
+            f"{cp_account}{order_no}{remark}，当前认定状态为{status}。"
+        )
+    return "问：具体的转账信息？\n答：" + "".join(lines)
+
+
 async def _build_report_dataset(case_id: UUID, db: AsyncSession) -> dict:
     case_obj = await db.get(Case, case_id)
     transactions = await _get_all_transactions(case_id, db)
@@ -245,6 +266,14 @@ async def _gen_excel(case_id: UUID, report_dir: Path, body: ReportCreate, db: As
             ws4.append([i, s])
         sheet_created = True
 
+    if body.include_record_qa:
+        ws5 = wb.active if not sheet_created else wb.create_sheet()
+        ws5.title = "笔录问答草稿"
+        ws5.append(["问答内容"])
+        dataset = await _build_report_dataset(case_id, db)
+        ws5.append([_build_record_qa_draft(dataset["transactions"], dataset["assessment_by_tx"])])
+        sheet_created = True
+
     if not sheet_created:
         ws = wb.active
         ws.title = "报告"
@@ -482,6 +511,15 @@ async def _gen_pdf(case_id: UUID, report_dir: Path, body: ReportCreate, db: Asyn
             elements.append(Paragraph(f"{i}. {s}", normal_style))
         elements.append(Spacer(1, 8 * mm))
 
+    # Section 9: record QA draft
+    if body.include_record_qa:
+        elements.append(Paragraph("笔录问答草稿", h2_style))
+        elements.append(Spacer(1, 4 * mm))
+        qa_text = _build_record_qa_draft(transactions, assessment_by_tx)
+        for line in qa_text.split("\n"):
+            elements.append(Paragraph(line, normal_style))
+        elements.append(Spacer(1, 8 * mm))
+
     if not elements or len(elements) <= 2:
         elements.append(Paragraph("未选择任何报告内容。", normal_style))
 

frontend/src/pages/reports/Reports.tsx

@@ -37,7 +37,8 @@ type ContentKeys =
   | 'include_flow_chart'
   | 'include_timeline'
   | 'include_reasons'
-  | 'include_inquiry';
+  | 'include_inquiry'
+  | 'include_record_qa';
 
 const contentOptions: Array<{ key: ContentKeys; label: string; defaultOn: boolean }> = [
   { key: 'include_summary', label: '被骗金额汇总表', defaultOn: true },
@@ -46,17 +47,18 @@ const contentOptions: Array<{ key: ContentKeys; label: string; defaultOn: boolea
   { key: 'include_timeline', label: '交易时间轴', defaultOn: true },
   { key: 'include_reasons', label: '认定理由与排除说明', defaultOn: true },
   { key: 'include_inquiry', label: '笔录辅助问询建议', defaultOn: false },
+  { key: 'include_record_qa', label: '笔录问答草稿', defaultOn: false },
 ];
 
 const STORAGE_PREFIX = 'report-content-';
 
 const loadContentSelection = (caseId: string): Record<ContentKeys, boolean> => {
-  try {
-    const raw = localStorage.getItem(`${STORAGE_PREFIX}${caseId}`);
-    if (raw) return JSON.parse(raw);
-  } catch { /* ignore */ }
   const defaults: Record<string, boolean> = {};
   contentOptions.forEach((o) => { defaults[o.key] = o.defaultOn; });
+  try {
+    const raw = localStorage.getItem(`${STORAGE_PREFIX}${caseId}`);
+    if (raw) return { ...defaults, ...JSON.parse(raw) };
+  } catch { /* ignore */ }
   return defaults as Record<ContentKeys, boolean>;
 };
 

frontend/src/pages/review/Review.tsx

@@ -36,6 +36,7 @@ import type { ColumnsType } from 'antd/es/table';
 import type { FraudAssessment, ConfidenceLevel } from '../../types';
 import {
   fetchAssessments,
+  fetchCase,
   submitReview,
   fetchInquirySuggestions,
   triggerAnalysis,
@@ -200,6 +201,10 @@ const Review: React.FC = () => {
     queryFn: () => fetchAssessments(id),
     refetchInterval: () => (Date.now() < autoRefreshUntil ? 2000 : false),
   });
+  const { data: currentCase } = useQuery({
+    queryKey: ['case', id],
+    queryFn: () => fetchCase(id),
+  });
   const { data: suggestionsData, isLoading: suggestionsLoading, isFetching: suggestionsFetching } = useQuery({
     queryKey: ['suggestions', id],
     queryFn: () => fetchInquirySuggestions(id),
@@ -213,6 +218,7 @@ const Review: React.FC = () => {
 
   const allAssessments = assessData?.items ?? [];
   const suggestions = suggestionsData?.suggestions ?? [];
+  const reviewedByName = (currentCase?.handler || '').trim() || 'demo_user';
   const hasNoAnalysisResult =
     suggestions.length === 1 && suggestions[0].includes('暂无分析结果');
 
@@ -412,7 +418,7 @@ const Review: React.FC = () => {
             body: {
               review_status: action,
               review_note: `操作：${aiSuggestionLabel[action]}`,
-              reviewed_by: 'demo_user',
+              reviewed_by: reviewedByName,
             },
           });
         };
@@ -996,7 +1002,7 @@ const Review: React.FC = () => {
                     body: {
                       review_status: reviewAction,
                       review_note: reviewNote,
-                      reviewed_by: 'demo_user',
+                      reviewed_by: reviewedByName,
                     },
                   });
                 }}
@@ -1027,7 +1033,7 @@ const Review: React.FC = () => {
             body: {
               review_status: 'needs_info',
               review_note: supplementNote.trim(),
-              reviewed_by: 'demo_user',
+              reviewed_by: reviewedByName,
             },
           });
         }}

frontend/src/pages/transactions/Transactions.tsx

@@ -32,7 +32,7 @@ import {
 } from '@ant-design/icons';
 import type { ColumnsType } from 'antd/es/table';
 import type { TransactionRecord, SourceApp } from '../../types';
-import { fetchImageDetail, fetchTransactions, updateTransaction } from '../../services/api';
+import { fetchImageDetail, fetchTransactions, triggerAnalysis, updateTransaction } from '../../services/api';
 
 const appTag: Record<SourceApp, { label: string; color: string }> = {
   wechat: { label: '微信', color: 'green' },
@@ -78,6 +78,36 @@ const Transactions: React.FC = () => {
     },
     onError: () => message.error('交易修改保存失败'),
   });
+  const analysisMutation = useMutation({
+    mutationFn: () => triggerAnalysis(id),
+    onMutate: () => {
+      message.open({
+        key: 'transactions-analysis',
+        type: 'loading',
+        content: '正在执行资金分析...',
+        duration: 0,
+      });
+    },
+    onSuccess: (res) => {
+      message.open({
+        key: 'transactions-analysis',
+        type: 'success',
+        content: res.message || '资金分析任务已提交',
+      });
+      qc.invalidateQueries({ queryKey: ['transactions', id] });
+      qc.invalidateQueries({ queryKey: ['assessments', id] });
+      qc.invalidateQueries({ queryKey: ['flows', id] });
+      qc.invalidateQueries({ queryKey: ['case', id] });
+      qc.invalidateQueries({ queryKey: ['suggestions', id] });
+    },
+    onError: () => {
+      message.open({
+        key: 'transactions-analysis',
+        type: 'error',
+        content: '资金分析执行失败',
+      });
+    },
+  });
   const allTransactions = txData?.items ?? [];
   const { data: detailImage, isFetching: detailImageFetching } = useQuery({
     queryKey: ['image-detail', detail?.evidenceImageId],
@@ -356,16 +386,25 @@ const Transactions: React.FC = () => {
           </Space>
         }
         extra={
-          <Select
+          <Space>
-            value={filterDuplicate}
+            <Select
-            onChange={setFilterDuplicate}
+              value={filterDuplicate}
-            style={{ width: 160 }}
+              onChange={setFilterDuplicate}
-            options={[
+              style={{ width: 160 }}
-              { label: '全部交易', value: 'all' },
+              options={[
-              { label: '仅有效交易', value: 'unique' },
+                { label: '全部交易', value: 'all' },
-              { label: '仅重复交易', value: 'duplicate' },
+                { label: '仅有效交易', value: 'unique' },
-            ]}
+                { label: '仅重复交易', value: 'duplicate' },
-          />
+              ]}
+            />
+            <Button
+              type="primary"
+              loading={analysisMutation.isPending}
+              onClick={() => analysisMutation.mutate()}
+            >
+              {analysisMutation.isPending ? '分析中...' : '执行资金分析'}
+            </Button>
+          </Space>
         }
       >
         <Table

frontend/src/services/api.ts

@@ -298,6 +298,7 @@ export async function generateReport(
     include_timeline?: boolean;
     include_reasons?: boolean;
     include_inquiry?: boolean;
+    include_record_qa?: boolean;
   },
 ): Promise<ExportReport> {
   if (!(await isBackendUp())) return mockReports[0];