修复报销票据门禁提示与 OCR 降级（08-30-b2-submit-error-ocr-fallback）

server/tests/unit/services/invoiceAmountEvidence.test.js

@@ -0,0 +1,42 @@
+const {
+  INVOICE_AMOUNT_EVIDENCE_STATUS,
+  resolveInvoiceAmountEvidence,
+} = require("../../../src/services/invoiceAmountEvidence");
+
+describe("resolveInvoiceAmountEvidence", () => {
+  it("treats a present amount, including zero, as verified", () => {
+    expect(resolveInvoiceAmountEvidence({
+      totalAmount: "0.00",
+      ocrAttempts: 0,
+      ocrLastRequestedAt: null,
+      ocrCompletedAt: null,
+      ocrLastError: null,
+    })).toBe(INVOICE_AMOUNT_EVIDENCE_STATUS.verified);
+  });
+
+  it("requires manual review when no amount and no OCR execution evidence exist", () => {
+    expect(resolveInvoiceAmountEvidence({
+      totalAmount: null,
+      ocrAttempts: 0,
+      ocrLastRequestedAt: null,
+      ocrCompletedAt: null,
+      ocrLastError: null,
+    })).toBe(INVOICE_AMOUNT_EVIDENCE_STATUS.manualReview);
+  });
+
+  it.each([
+    ["attempt count", { ocrAttempts: 1 }],
+    ["request time", { ocrLastRequestedAt: new Date("2026-08-30T10:00:00.000Z") }],
+    ["completion time", { ocrCompletedAt: new Date("2026-08-30T10:00:01.000Z") }],
+    ["last error", { ocrLastError: "amount_missing" }],
+  ])("treats missing amount with %s as OCR failed", (_label, evidence) => {
+    expect(resolveInvoiceAmountEvidence({
+      totalAmount: null,
+      ocrAttempts: 0,
+      ocrLastRequestedAt: null,
+      ocrCompletedAt: null,
+      ocrLastError: null,
+      ...evidence,
+    })).toBe(INVOICE_AMOUNT_EVIDENCE_STATUS.ocrFailed);
+  });
+});