feat(payment): expand Stripe methods and checkout handoff

src/utils/__tests__/logger-redaction.test.ts

@@ -0,0 +1,33 @@
+import { describe, expect, it } from "vitest";
+
+import { Logger } from "../logger";
+
+describe("Logger Stripe secret redaction", () => {
+  it("redacts nested Stripe secret fields and values before formatting", () => {
+    const output = Logger.formatValue({
+      payParams: {
+        clientSecret: "pi_123_secret_card",
+        nested: {
+          customerSessionClientSecret: "cuss_123_secret_saved",
+          handoffToken: "one-time-checkout-token",
+          safe: "order-123",
+        },
+      },
+    });
+
+    expect(output).toContain("order-123");
+    expect(output).not.toContain("secret_card");
+    expect(output).not.toContain("secret_saved");
+    expect(output).not.toContain("one-time-checkout-token");
+    expect(output.match(/\[REDACTED\]/g)?.length).toBeGreaterThanOrEqual(3);
+  });
+
+  it("redacts a secret embedded in a serialized response string", () => {
+    const output = Logger.formatValue(
+      JSON.stringify({ customerSessionClientSecret: "cuss_1_secret_value" }),
+    );
+
+    expect(output).not.toContain("secret_value");
+    expect(output).toContain("[REDACTED]");
+  });
+});