fix: 完善报工归属输出安全性

app/routers/dashboard.py

@@ -192,6 +192,7 @@ def _dashboard_rows(
                     "product_name": item.product_name,
                     "process_name": process_name,
                     "report_ids": set(),
+                    "source_report_dates": set(),
                     "effective_minutes": 0.0,
                     "shift_day_minutes": 0.0,
                     "shift_overtime_minutes": 0.0,
@@ -230,6 +231,7 @@ def _dashboard_rows(
             allocated_minutes = 0 if is_cleaning else (as_float(item.allocated_minutes) or fallback_minutes)
             expected_workload = allocated_minutes * 60 / standard_beat if standard_beat > 0 else 0
             group["report_ids"].add(report.id)
+            group["source_report_dates"].add(report.report_date)
             group["effective_minutes"] += allocated_minutes
             group["expected_workload"] += expected_workload
             group["shift_day_minutes"] += as_float(getattr(item, "_shift_day_minutes", 0))
@@ -277,11 +279,14 @@ def _dashboard_rows(
             "overtime": group["shift_overtime_minutes"],
             "night": group["shift_night_minutes"],
         }
+        source_report_dates = sorted(group["source_report_dates"])
         rows.append(
             DashboardRow(
                 id=group["id"],
                 attendance_point_name=group["attendance_point_name"],
                 report_date=group["report_date"],
+                source_report_date=source_report_dates[-1] if source_report_dates else group["report_date"],
+                source_report_dates=source_report_dates,
                 employee_phone=group["employee_phone"],
                 employee_name=group["employee_name"],
                 worker_type=group["worker_type"],