Refine pricing display and Gaussian context

frontend/components/account/AccountCenter.tsx

@@ -63,10 +63,6 @@ import {
 import { createAccountCopy } from "./account-copy";
 import { resetWalletConnectProvider } from "./wallet";
 import { useAccountPayment } from "./useAccountPayment";
-import {
-  isTelegramPrivateGroupPriceEligible,
-  telegramPrivateGroupAmountUsdc,
-} from "./telegram-pricing";
 
 // --- Main Component ---
 
@@ -437,12 +433,14 @@ export function AccountCenter() {
         { plan_code: "pro_monthly", plan_id: 101, amount_usdc: "29.9", duration_days: 30 },
         { plan_code: "pro_quarterly", plan_id: 102, amount_usdc: "79.9", duration_days: 90 },
       ];
-  const privateTelegramGroupPriceActive = isTelegramPrivateGroupPriceEligible(
-    backend?.telegram_pricing,
-  );
-  const privateTelegramGroupAmount = telegramPrivateGroupAmountUsdc(
-    backend?.telegram_pricing,
-  );
+  const selectedPlanDurationDays = Number(selectedPlan?.duration_days || 30);
+  const overlayPlanLabel =
+    selectedPlanCode === "pro_quarterly"
+      ? copy.quarterlyPlan
+      : copy.monthlyPlan;
+  const overlayPeriodLabel = isEn
+    ? `/ ${selectedPlanDurationDays} days`
+    : `/ ${selectedPlanDurationDays} 天`;
   const referral = backend?.referral;
   const referralCode = String(referral?.code || "").trim();
   const appliedReferralCode = String(referral?.applied_code || "").trim();
@@ -915,6 +913,8 @@ export function AccountCenter() {
               <UnlockProOverlay
                 points={totalPoints}
                 planPriceUsd={billing.planAmount}
+                planLabel={overlayPlanLabel}
+                periodLabel={overlayPeriodLabel}
                 usePoints={usePoints}
                 onToggleUsePoints={() => setUsePoints((prev) => !prev)}
                 billing={{
@@ -932,6 +932,7 @@ export function AccountCenter() {
                 payBusy={paymentBusy}
                 payLabel={hasPayingWallet ? copy.payNow : copy.connectAndPay}
                 manualPayLabel="手动转账"
+                locale={locale}
                 errorText={paymentError || undefined}
                 infoText={paymentInfo || undefined}
                 txHash={lastTxHash || undefined}
@@ -1112,13 +1113,6 @@ export function AccountCenter() {
                           const code = String(plan.plan_code || "");
                           const active = code === selectedPlanCode;
                           const isQuarterly = code === "pro_quarterly";
-                          const isPrivateGroupMonthly = Boolean(
-                            code === "pro_monthly" &&
-                              privateTelegramGroupPriceActive &&
-                              privateTelegramGroupAmount &&
-                              Number(plan.amount_usdc) ===
-                                Number(privateTelegramGroupAmount),
-                          );
                           return (
                             <button
                               type="button"
@@ -1135,9 +1129,7 @@ export function AccountCenter() {
                                 <span>
                                   {isQuarterly
                                     ? copy.quarterlyPlan
-                                    : isPrivateGroupMonthly
-                                      ? copy.privateGroupMonthlyPlan
-                                      : copy.monthlyPlan}
+                                    : copy.monthlyPlan}
                                 </span>
                                 <span>{plan.amount_usdc} USDC</span>
                               </div>

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

@@ -27,6 +27,10 @@ export function runTests() {
     path.join(projectRoot, "components", "account", "useBilling.ts"),
     "utf8",
   );
+  const unlockProOverlay = fs.readFileSync(
+    path.join(projectRoot, "components", "subscription", "UnlockProOverlay.tsx"),
+    "utf8",
+  );
   const telegramPricing = fs.readFileSync(
     path.join(projectRoot, "components", "account", "telegram-pricing.ts"),
     "utf8",
@@ -76,20 +80,30 @@ export function runTests() {
       !telegramPricing.includes("is_group_member") &&
       useAccountPayment.includes('=== "pro_monthly"') &&
       useAccountPayment.includes("amount_usdc: telegramAmountUsdc"),
-    "account payment plan cards must only display the 5 USDC private Telegram group monthly price after private /bind verification",
+    "account payment plan cards must only display the 5 USDC discounted monthly price after verified /bind eligibility",
   );
   assert(
     useBilling.includes("telegramGroupPriceApplies") &&
       useBilling.includes("isTelegramPrivateGroupPriceEligible") &&
       useBilling.includes("backend?.telegram_pricing") &&
       useBilling.includes("!telegramGroupPriceApplies"),
-    "billing must not let referral first-month pricing override the lower private Telegram group monthly price",
+    "billing must not let referral first-month pricing override the lower verified monthly price",
   );
   assert(
-    accountCenter.includes("privateGroupMonthlyPlan") &&
-      accountCopy.includes("Private group monthly") &&
-      accountCopy.includes("私密群月付"),
-    "account plan card must label the 5 USDC price as a private Telegram group monthly price",
+    !accountCenter.includes(["private", "Group", "Monthly", "Plan"].join("")) &&
+      !accountCopy.includes(["Private", "group", "monthly"].join(" ")) &&
+      !accountCopy.includes(["私", "密", "群", "月", "付"].join("")),
+    "account plan card and checkout overlay should not expose a separate discounted monthly label",
+  );
+  assert(
+    accountCenter.includes("overlayPlanLabel") &&
+      accountCenter.includes("overlayPeriodLabel") &&
+      !accountCenter.includes(`copy.${["private", "Group", "Monthly", "Plan"].join("")}`) &&
+      unlockProOverlay.includes("planLabel") &&
+      unlockProOverlay.includes("USDC") &&
+      !unlockProOverlay.includes("<span className={s.price}>${planPriceUsd.toFixed(2)}</span>") &&
+      !unlockProOverlay.includes('<span className={s.summaryUnit}>USD</span>'),
+    "checkout overlay must display payment amounts as USDC without exposing the discounted-price source label",
   );
   assert(
     types.includes("ReferralSummary") &&

frontend/components/account/account-copy.ts

@@ -63,7 +63,6 @@ export function createAccountCopy(isEn: boolean): Record<string, string> {
       paymentMgmt: isEn ? "Payment Management" : "支付管理",
       proPlan: isEn ? "Pro Plan" : "Pro 套餐",
       monthlyPlan: isEn ? "Monthly" : "月付",
-      privateGroupMonthlyPlan: isEn ? "Private group monthly" : "私密群月付",
       quarterlyPlan: isEn ? "Quarterly" : "季度",
       trialBadge: isEn ? "3-day trial" : "3天试用",
       trialPaidGroupLocked: isEn