进一步拆分 useAccountPayment：提取 useWalletBind、usePaymentFlow、useBilling 三个子 hook

frontend/components/account/__tests__/paymentSecurity.test.ts

@@ -53,17 +53,28 @@ export function runTests() {
   const hookSource = fs.existsSync(hookPath)
     ? fs.readFileSync(hookPath, "utf8")
     : "";
+  const paymentFlowPath = path.join(
+    projectRoot,
+    "components",
+    "account",
+    "usePaymentFlow.ts",
+  );
+  const paymentFlowSource = fs.existsSync(paymentFlowPath)
+    ? fs.readFileSync(paymentFlowPath, "utf8")
+    : "";
 
   // The receiver validation now lives in the extracted hook file (called
   // from createManualPaymentIntent and createIntentAndPay).
   assert(
     accountCenterSource.includes("assertExpectedPaymentReceiver") ||
-      hookSource.includes("assertExpectedPaymentReceiver"),
+      hookSource.includes("assertExpectedPaymentReceiver") ||
+      paymentFlowSource.includes("assertExpectedPaymentReceiver"),
     "AccountCenter must validate backend-returned manual payment receiver before displaying it",
   );
   assert(
     accountCenterSource.includes("EXPECTED_PAYMENT_RECEIVER_ADDRESS") ||
-      hookSource.includes("EXPECTED_PAYMENT_RECEIVER_ADDRESS"),
+      hookSource.includes("EXPECTED_PAYMENT_RECEIVER_ADDRESS") ||
+      paymentFlowSource.includes("EXPECTED_PAYMENT_RECEIVER_ADDRESS"),
     "AccountCenter must show the pinned payment receiver address in its payment guard",
   );
 

frontend/components/account/__tests__/paymentShell.test.ts

@@ -39,6 +39,9 @@ export function runTests() {
     "wallet.ts",
     "payment-utils.ts",
     "usePaymentState.ts",
+    "useWalletBind.ts",
+    "usePaymentFlow.ts",
+    "useBilling.ts",
   ]
     .map((file) => fs.readFileSync(path.join(accountDir, file), "utf8"))
     .join("\n");