修复财务结算周期与主体展示

frontend/platform_admin/scripts/check-resource-display-contracts.mjs

@@ -316,6 +316,23 @@ assertIncludes(
   'hasResourceFieldLabel',
   '详情必须提供未知字段中文契约检查',
 );
+assertIncludes(
+  display,
+  "field.type === 'datetime'",
+  '日期时间必须按字段类型统一格式化，不能依赖 `_at` 字段名后缀',
+);
+for (const settlementContract of [
+  "{ label: '气站', value: 'gas' }",
+  "{ label: '配送点', value: 'delivery' }",
+  "{ label: '工作人员', value: 'staff' }",
+  "resources: { gas: '/gas_basic', delivery: '/delivery_basic', staff: '/staff_account' }",
+]) {
+  assertIncludes(
+    resources,
+    settlementContract,
+    `财务结算缺少主体类型联动契约：${settlementContract}`,
+  );
+}
 assertIncludes(
   detailPage,
   '!hasResourceFieldLabel(props.definition, actualKey)',

frontend/platform_admin/src/api/resource-display.ts

@@ -513,6 +513,11 @@ export function displayResourceField(
       ? numericValue.toFixed(field.displayPrecision)
       : String(value);
   }
+  // 日期时间应以字段类型为准，避免 period_start 等非 `_at` 字段回显原始 RFC3339 文本。
+  if (field.type === 'datetime') {
+    const date = dayjs(String(value));
+    return date.isValid() ? date.format('YYYY-MM-DD HH:mm:ss') : String(value);
+  }
   if (field.type === 'identity' && typeof value === 'string') {
     return relationLabel(field, value, relationOptions, row);
   }

frontend/platform_admin/src/api/resources.ts

@@ -850,12 +850,22 @@ export const resources: ResourceUiDefinition[] = [
     }),
     f('amount'), f('paid_at'),
   ]),
-  define('fin_settlement', '财务结算', 'writable', [f('settlement_no', { required: true }), f('subject_type', { required: true }), f('subject_identity', {
+  define('fin_settlement', '财务结算', 'writable', [f('settlement_no', { required: true }), f('subject_type', {
+    required: true,
+    type: 'select',
+    options: [
+      { label: '气站', value: 'gas' },
+      { label: '配送点', value: 'delivery' },
+      { label: '工作人员', value: 'staff' },
+    ],
+    unknownValueLabel: '未知结算主体类型',
+  }), f('subject_identity', {
     required: true, type: 'identity', label: '结算主体', listRelationNameOnly: true,
     displayRelationLabel: true, showIdentityCopy: true,
     dynamicRelation: {
       parentKey: 'subject_type', parentLabel: '结算主体类型',
-      resources: { gas: '/gas_basic', delivery: '/delivery_basic' },
+      resources: { gas: '/gas_basic', delivery: '/delivery_basic', staff: '/staff_account' },
+      parentChangeMessage: '结算主体类型已变更，请重新选择结算主体',
     },
   }), f('period_start', { required: true }), f('period_end', { required: true })]),
   define('fin_reconciliation', '财务对账', 'readonly', [