feat(reimbursement-small-team-form-validation): 完善小团队报销填报校验

client/src/api/feeControl.ts

@@ -46,6 +46,24 @@ export type PrecheckResponse = {
   } | null;
   budgetHint: Record<string, unknown> | null;
   standardChecks: ExpenseStandardCheck[];
+  evidenceSummary?: {
+    invoiceCount: number;
+    attachmentCount: number;
+    items: Array<{
+      itemId: string;
+      linkedInvoiceCount: number;
+      invoiceState: "linked" | "unlinked";
+    }>;
+  };
+  timelinessChecks?: Array<{
+    itemId: string;
+    expenseDate: string;
+    ageDays: number;
+    maxAgeDays: 180 | 365;
+    overdue: boolean;
+    crossCalendarYear: boolean;
+  }>;
+  assetHint?: { required: boolean; itemCount: number };
   warnings: Array<{ code: string; title: string; detail: string }>;
   blockingReasons: Array<{ code: string; title: string; detail: string }>;
   riskFlags: Array<{ code: string; level: "low" | "medium" | "high"; title: string; detail: string; willOpenOnSubmit: boolean }>;