fix(auth): add missing verification code input fields

src/app/(auth)/register/RegisterContent.tsx

@@ -880,12 +880,48 @@ export default function RegisterContent() {
             </p>
           ) : null}
           {hasRequestedCode && !isVerified ? (
+            <div className="space-y-4">
               <div className="rounded-2xl border border-dashed border-sky-200 bg-sky-50/80 px-4 py-3 text-sm text-sky-700">
                 我们已向你的邮箱发送一封验证邮件，点击邮件中的链接即可完成注册。
                 验证链接有效期 <strong>10 分钟</strong>。
                 <br />
                 若未收到邮件，请检查垃圾箱或稍后重试。
               </div>
+
+              <div className="flex justify-between gap-2">
+                {codeDigits.map((digit, index) => (
+                  <input
+                    key={index}
+                    ref={(el) => {
+                      codeInputRefs.current[index] = el
+                    }}
+                    id={`verification-code-${index}`}
+                    name={`verification-code-${index}`}
+                    type="text"
+                    inputMode="numeric"
+                    autoComplete="one-time-code"
+                    pattern="\d{1}"
+                    maxLength={1}
+                    className="h-12 w-full rounded-xl border border-slate-200 bg-white/90 text-center text-lg font-semibold text-slate-900 shadow-sm transition focus:border-sky-500 focus:outline-none focus:ring-2 focus:ring-sky-200"
+                    value={digit}
+                    onChange={(e) => handleCodeChange(index, e.target.value)}
+                    onKeyDown={(e) => handleCodeKeyDown(index, e)}
+                    onPaste={(e) => index === 0 && handleCodePaste(0, e)}
+                  />
+                ))}
+              </div>
+
+              <div className="text-center">
+                <button
+                  type="button"
+                  onClick={handleResend}
+                  disabled={isResending || resendCooldown > 0}
+                  className="text-sm font-medium text-sky-600 transition hover:text-sky-500 disabled:cursor-not-allowed disabled:opacity-50"
+                >
+                  {resendLabel}
+                </button>
+              </div>
+            </div>
           ) : null}
         </div>
         <label className="flex items-start gap-3 text-sm text-slate-600">