diff --git a/app/lib/features/auth/onboarding_data.dart b/app/lib/features/auth/onboarding_data.dart
index bf8cd47..a98b721 100644
--- a/app/lib/features/auth/onboarding_data.dart
+++ b/app/lib/features/auth/onboarding_data.dart
@@ -164,7 +164,13 @@ class SampleOnboardingRepository implements OnboardingRepository {
   }) async => profile = (nickname: nickname, country: country, locale: locale);
 
   @override
-  Future<void> attributeReferral(String code) async => referral = code;
+  Future<void> attributeReferral(String code) async {
+    // 서버 `fnReferralAttribute` 처럼 1인 1회 — 두 번째는 거절(E-POP-03).
+    if (referral != null) {
+      throw const BackendException('E-POP-03', '이미 처리된 추천입니다.');
+    }
+    referral = code;
+  }
 
   @override
   Future<List<OnboardingFandom>> fandoms({String query = ''}) async => [
diff --git a/app/lib/features/auth/onboarding_screens.dart b/app/lib/features/auth/onboarding_screens.dart
index 93688b6..7966391 100644
--- a/app/lib/features/auth/onboarding_screens.dart
+++ b/app/lib/features/auth/onboarding_screens.dart
@@ -165,6 +165,10 @@ class _OnboardingFlowState extends State<OnboardingFlow> {
   /// ② 에서 서버에 기록한 동의 항목. ③ 에서 뒤로 오면 이 상태로 체크해 보여 준다.
   Set<String>? _agreed;
 
+  /// ③ 에서 서버에 귀속한 추천인 코드. ④ 에서 뒤로 와 다시 「다음」이면 또 부르지 않는다
+  /// (서버는 1인 1회라 두 번째 호출을 거절한다).
+  String? _referred;
+
   /// ④ 에서 고른 팬덤 — 고른 순서. 첫 번째가 대표(Primary).
   final _picked = <OnboardingFandom>[];
 
@@ -241,6 +245,8 @@ class _OnboardingFlowState extends State<OnboardingFlow> {
       ),
       _Step.profile => _ProfileStep(
         repository: widget.repository,
+        referred: _referred,
+        onReferred: (code) => _referred = code,
         onBack: _back,
         onDone: () => setState(() => _step = _Step.artist),
       ),
@@ -287,11 +293,17 @@ class _OnboardingFlowState extends State<OnboardingFlow> {
 class _ProfileStep extends StatefulWidget {
   const _ProfileStep({
     required this.repository,
+    required this.referred,
+    required this.onReferred,
     required this.onDone,
     required this.onBack,
   });
 
   final OnboardingRepository repository;
+
+  /// 이미 귀속한 추천인 코드(뒤로 왔을 때 채워 보여 준다).
+  final String? referred;
+  final ValueChanged<String> onReferred;
   final VoidCallback onDone;
   final VoidCallback onBack;
 
@@ -301,7 +313,7 @@ class _ProfileStep extends StatefulWidget {
 
 class _ProfileStepState extends State<_ProfileStep> {
   final _nickname = TextEditingController();
-  final _referral = TextEditingController();
+  late final _referral = TextEditingController(text: widget.referred);
   String? _country = _deviceCountry();
   Locale? _locale;
   String? _nicknameError;
@@ -360,11 +372,20 @@ class _ProfileStepState extends State<_ProfileStep> {
       );
       if (_locale != null) await scope?.select(_locale!);
       final code = _referral.text.trim().toUpperCase();
-      if (code.isNotEmpty) {
+      if (code.isNotEmpty && code != widget.referred) {
         try {
           await widget.repository.attributeReferral(code);
+          widget.onReferred(code);
         } on BackendException catch (e) {
-          if (mounted) setState(() => _referralError = e.message);
+          // 거절 사유(형식 · 없는 코드 · 본인 · 상호 · 이미 등록 · 7일 경과)는 Figma `511:86845`
+          // 문구 하나로 보인다(C-119 「오류 문구 재사용」). 통신 실패만 서버 문구 그대로.
+          if (mounted) {
+            setState(
+              () => _referralError = e.code == 'E-SYS-01'
+                  ? e.message
+                  : l10n.onbReferralInvalid,
+            );
+          }
           return;
         }
       }
@@ -440,6 +461,8 @@ class _ProfileStepState extends State<_ProfileStep> {
           onChanged: (v) => setState(() => _locale = v),
         ),
         const SizedBox(height: AppSpace.s3),
+        // 추천인 코드 입력칸 — Figma 이메일 가입 `333:18620`(입력칸) · `511:86845`(오류) ·
+        // `511:86809`(선택 입력). 10/3 통합회신 7항으로 가입 직후 온보딩에 둔다(C-119).
         TextField(
           controller: _referral,
           textCapitalization: TextCapitalization.characters,
@@ -447,7 +470,6 @@ class _ProfileStepState extends State<_ProfileStep> {
           onChanged: (_) => setState(() => _referralError = null),
           decoration: InputDecoration(
             labelText: l10n.onbReferral,
-            helperText: l10n.onbReferralHint,
             errorText: _referralError,
           ),
         ),
diff --git a/app/lib/features/my/my_data.dart b/app/lib/features/my/my_data.dart
index 813363c..67a9f90 100644
--- a/app/lib/features/my/my_data.dart
+++ b/app/lib/features/my/my_data.dart
@@ -322,6 +322,7 @@ class MyProfile {
     this.userLevel = 1,
     this.passportTier = PassportTier.silver,
     required this.balancePop,
+    this.reservedPop = 0,
     required this.steps,
     required this.completedQuests,
     required this.planetTiers,
@@ -346,9 +347,15 @@ class MyProfile {
   /// 대표 팬덤의 Passport Tier(B-65 · 10/3 #10 사용자 × 팬덤). 팬덤별 값은 [planetTiers].
   final PassportTier passportTier;
 
-  /// 보유 POP(활동).
+  /// 총 보유 POP — 일반 + 기여 + 예약(G-05 `총 보유 = 예약 + 사용 가능`).
   final int balancePop;
 
+  /// 예약 — 검토 대기 보상처럼 묶여 있어 아직 쓸 수 없는 몫(서버 `pendingActivity`).
+  final int reservedPop;
+
+  /// 사용 가능 = 총 보유 − 예약.
+  int get availablePop => balancePop - reservedPop;
+
   /// 누적 걸음. 명세 `549:22058` 의 프로필 카드 항목.
   final int steps;
   final int completedQuests;
diff --git a/app/lib/features/my/my_repository_firestore.dart b/app/lib/features/my/my_repository_firestore.dart
index d90b42f..6ce0a6e 100644
--- a/app/lib/features/my/my_repository_firestore.dart
+++ b/app/lib/features/my/my_repository_firestore.dart
@@ -23,7 +23,7 @@ import '../../core/i18n/app_locale.dart';
 /// - Passport `users/{uid}/passports/{fandomId}.tier` — **팬덤별**(10/3 #10 · 9/21 5절). 없으면 SILVER.
 ///   탈퇴한 팬덤의 Passport 도 지우지 않고 보인다(ARCHIVED).
 /// - Badge `users/{uid}/badges`(상세정의 4장 · 별첨 1 ②-5)
-/// - 잔액 `users/{uid}/wallet/main.activityBalance`
+/// - 잔액 `users/{uid}/wallet/main` — 사용 가능 = `activityBalance + supportBalance`, 예약 = `pendingActivity`(G-05)
 /// - 행성별 기여 `fandoms/{fandomId}` + `fandoms/{fandomId}/members/{uid}.contributedPop`
 /// - POP 원장 `users/{uid}/popTransactions` (최신순 · 커서 `createdAt`)
 /// - 공지 `notices`
@@ -126,7 +126,8 @@ class FirestoreMyRepository extends SampleMyRepository {
       userExp: user.intOr('userExp'),
       userLevel: user.intOr('userLevel').clamp(1, 1 << 31),
       passportTier: primaryTier,
-      balancePop: wallet.intOr('activityBalance'),
+      balancePop: wallet.intOr('activityBalance') + wallet.intOr('supportBalance') + wallet.intOr('pendingActivity'),
+      reservedPop: wallet.intOr('pendingActivity'),
       steps: user.intOr('steps'),
       completedQuests: await completedF,
       planetTiers: tiers,
diff --git a/app/lib/features/my/pop_history_screen.dart b/app/lib/features/my/pop_history_screen.dart
index 85311fd..be06815 100644
--- a/app/lib/features/my/pop_history_screen.dart
+++ b/app/lib/features/my/pop_history_screen.dart
@@ -109,7 +109,7 @@ class _PopHistoryScreenState extends State<PopHistoryScreen> {
         itemCount:
             1 + (_entries.isEmpty ? 1 : _entries.length) + (_hasMore ? 1 : 0),
         itemBuilder: (context, i) {
-          if (i == 0) return _Balance(pop: profile.balancePop);
+          if (i == 0) return _Balance(profile: profile);
           i -= 1;
           if (_entries.isEmpty && i == 0) {
             return ColoredBox(
@@ -148,11 +148,14 @@ class _PopHistoryScreenState extends State<PopHistoryScreen> {
   }
 }
 
-/// 보유 POP — 번개 20 + 「POP」 18/500 민트 · 값 36/900.
+/// 보유 POP — 번개 20 + 「POP」 18/500 민트 · 값 36/900(명세 `554:23714` 현재 보유 POP = 총 보유).
+///
+/// 그 아래 「총 보유 · 예약 · 사용 가능」 세 값(정책 설계서 잔액 구분 · G-05 · QA 2-29).
+/// Figma 에는 이 줄이 없어 배치는 해석 확인 대상이다.
 class _Balance extends StatelessWidget {
-  const _Balance({required this.pop});
+  const _Balance({required this.profile});
 
-  final int pop;
+  final MyProfile profile;
 
   @override
   Widget build(BuildContext context) => Container(
@@ -182,7 +185,7 @@ class _Balance extends StatelessWidget {
           child: OverflowBox(
             maxHeight: 48,
             child: Text(
-              formatPop(pop),
+              formatPop(profile.balancePop),
               style: const TextStyle(
                 fontFamily: AppFonts.body,
                 fontSize: 36,
@@ -193,6 +196,25 @@ class _Balance extends StatelessWidget {
             ),
           ),
         ),
+        const SizedBox(height: 24),
+        Row(
+          children: [
+            for (final (label, value) in [
+              (context.l10n.popTotal, profile.balancePop),
+              (context.l10n.popReserved, profile.reservedPop),
+              (context.l10n.popAvailable, profile.availablePop),
+            ])
+              Expanded(
+                child: Column(
+                  children: [
+                    Text(label, style: myText(12, FontWeight.w500, color: MyColors.muted)),
+                    const SizedBox(height: 4),
+                    Text(formatPop(value), style: myText(14, FontWeight.w700)),
+                  ],
+                ),
+              ),
+          ],
+        ),
       ],
     ),
   );
diff --git a/app/lib/l10n/app_en.arb b/app/lib/l10n/app_en.arb
index db93f31..e0104a1 100644
--- a/app/lib/l10n/app_en.arb
+++ b/app/lib/l10n/app_en.arb
@@ -400,6 +400,9 @@
   "refundReason": "Reason for refund",
   "refundConfirm": "Request a refund?",
   "myPop": "My POP",
+  "popTotal": "Total",
+  "popReserved": "Reserved",
+  "popAvailable": "Available",
   "commonNoHistory": "No history yet.",
   "nicknameEdit": "Edit nickname",
   "nicknameReserved": "You can't use a name that could be mistaken for staff.",
@@ -861,7 +864,7 @@
   "onbCountrySheetTitle": "Select your country/region of residence",
   "onbLanguage": "Display language",
   "onbReferral": "Referral code (optional)",
-  "onbReferralHint": "Enter a code if a friend shared one",
+  "onbReferralInvalid": "Please check the referral code.",
   "onbArtistTitle": "Choose the artists you follow",
   "onbArtistBody": "The first artist you pick becomes your main planet. You can join several fandoms.",
   "onbArtistSearch": "Search artist name",
diff --git a/app/lib/l10n/app_es.arb b/app/lib/l10n/app_es.arb
index f4a7e84..e7feccd 100644
--- a/app/lib/l10n/app_es.arb
+++ b/app/lib/l10n/app_es.arb
@@ -400,6 +400,9 @@
   "refundReason": "Motivo del reembolso",
   "refundConfirm": "¿Seguro que quieres solicitar el reembolso?",
   "myPop": "Mi POP",
+  "popTotal": "Total",
+  "popReserved": "Reservado",
+  "popAvailable": "Disponible",
   "commonNoHistory": "Sin historial.",
   "nicknameEdit": "Editar apodo",
   "nicknameReserved": "No puedes usar un nombre que parezca del equipo.",
@@ -861,7 +864,7 @@
   "onbCountrySheetTitle": "Selecciona tu país/región de residencia",
   "onbLanguage": "Idioma de visualización",
   "onbReferral": "Código de referido (opcional)",
-  "onbReferralHint": "Introduce el código si un amigo te lo compartió",
+  "onbReferralInvalid": "Revisa el código de referido.",
   "onbArtistTitle": "Elige a los artistas que sigues",
   "onbArtistBody": "El primer artista que elijas será tu planeta principal. Puedes unirte a varios fandoms.",
   "onbArtistSearch": "Buscar nombre del artista",
diff --git a/app/lib/l10n/app_ja.arb b/app/lib/l10n/app_ja.arb
index f0825f2..5ab9edb 100644
--- a/app/lib/l10n/app_ja.arb
+++ b/app/lib/l10n/app_ja.arb
@@ -400,6 +400,9 @@
   "refundReason": "返金理由",
   "refundConfirm": "本当に返金を申請しますか？",
   "myPop": "マイPOP",
+  "popTotal": "総保有",
+  "popReserved": "予約",
+  "popAvailable": "利用可能",
   "commonNoHistory": "履歴はありません。",
   "nicknameEdit": "ニックネーム変更",
   "nicknameReserved": "運営者と誤解される名前は使用できません。",
@@ -861,7 +864,7 @@
   "onbCountrySheetTitle": "居住国・地域を選択",
   "onbLanguage": "表示言語",
   "onbReferral": "紹介コード(任意)",
-  "onbReferralHint": "友だちからもらったコードがあれば入力してください",
+  "onbReferralInvalid": "紹介コードをご確認ください。",
   "onbArtistTitle": "好きなアーティストを選んでください",
   "onbArtistBody": "最初に選んだアーティストが基本の惑星になります。複数のファンダムに加入できます。",
   "onbArtistSearch": "アーティスト名で検索",
diff --git a/app/lib/l10n/app_ko.arb b/app/lib/l10n/app_ko.arb
index 16bcbf1..f9645de 100644
--- a/app/lib/l10n/app_ko.arb
+++ b/app/lib/l10n/app_ko.arb
@@ -827,6 +827,9 @@
   "refundReason": "환불 사유",
   "refundConfirm": "정말 환불 신청을 할까요?",
   "myPop": "내 POP",
+  "popTotal": "총 보유",
+  "popReserved": "예약",
+  "popAvailable": "사용 가능",
   "commonNoHistory": "내역이 없습니다.",
   "nicknameEdit": "닉네임 수정",
   "nicknameReserved": "운영자로 오해될 수 있는 이름은 쓸 수 없습니다.",
@@ -1804,7 +1807,7 @@
   "onbCountrySheetTitle": "거주 국가/지역 선택",
   "onbLanguage": "표시 언어",
   "onbReferral": "추천인 코드 (선택)",
-  "onbReferralHint": "친구에게 받은 코드가 있으면 입력해 주세요",
+  "onbReferralInvalid": "추천인 코드를 확인해 주세요.",
   "onbArtistTitle": "관심 아티스트를 선택해 주세요",
   "onbArtistBody": "처음 고른 아티스트가 기본 행성이 됩니다. 여러 팬덤에 함께 가입할 수 있어요.",
   "onbArtistSearch": "아티스트 이름 검색",
diff --git a/app/lib/l10n/app_localizations.dart b/app/lib/l10n/app_localizations.dart
index 15d8718..ee2d3a3 100644
--- a/app/lib/l10n/app_localizations.dart
+++ b/app/lib/l10n/app_localizations.dart
@@ -2504,6 +2504,24 @@ abstract class AppLocalizations {
   /// **'내 POP'**
   String get myPop;
 
+  /// No description provided for @popTotal.
+  ///
+  /// In ko, this message translates to:
+  /// **'총 보유'**
+  String get popTotal;
+
+  /// No description provided for @popReserved.
+  ///
+  /// In ko, this message translates to:
+  /// **'예약'**
+  String get popReserved;
+
+  /// No description provided for @popAvailable.
+  ///
+  /// In ko, this message translates to:
+  /// **'사용 가능'**
+  String get popAvailable;
+
   /// No description provided for @commonNoHistory.
   ///
   /// In ko, this message translates to:
@@ -5282,11 +5300,11 @@ abstract class AppLocalizations {
   /// **'추천인 코드 (선택)'**
   String get onbReferral;
 
-  /// No description provided for @onbReferralHint.
+  /// No description provided for @onbReferralInvalid.
   ///
   /// In ko, this message translates to:
-  /// **'친구에게 받은 코드가 있으면 입력해 주세요'**
-  String get onbReferralHint;
+  /// **'추천인 코드를 확인해 주세요.'**
+  String get onbReferralInvalid;
 
   /// No description provided for @onbArtistTitle.
   ///
diff --git a/app/lib/l10n/app_localizations_en.dart b/app/lib/l10n/app_localizations_en.dart
index f09c3db..6aa6125 100644
--- a/app/lib/l10n/app_localizations_en.dart
+++ b/app/lib/l10n/app_localizations_en.dart
@@ -1398,6 +1398,15 @@ class AppLocalizationsEn extends AppLocalizations {
   @override
   String get myPop => 'My POP';
 
+  @override
+  String get popTotal => 'Total';
+
+  @override
+  String get popReserved => 'Reserved';
+
+  @override
+  String get popAvailable => 'Available';
+
   @override
   String get commonNoHistory => 'No history yet.';
 
@@ -3007,7 +3016,7 @@ class AppLocalizationsEn extends AppLocalizations {
   String get onbReferral => 'Referral code (optional)';
 
   @override
-  String get onbReferralHint => 'Enter a code if a friend shared one';
+  String get onbReferralInvalid => 'Please check the referral code.';
 
   @override
   String get onbArtistTitle => 'Choose the artists you follow';
diff --git a/app/lib/l10n/app_localizations_es.dart b/app/lib/l10n/app_localizations_es.dart
index 40d2b68..a295a2e 100644
--- a/app/lib/l10n/app_localizations_es.dart
+++ b/app/lib/l10n/app_localizations_es.dart
@@ -1406,6 +1406,15 @@ class AppLocalizationsEs extends AppLocalizations {
   @override
   String get myPop => 'Mi POP';
 
+  @override
+  String get popTotal => 'Total';
+
+  @override
+  String get popReserved => 'Reservado';
+
+  @override
+  String get popAvailable => 'Disponible';
+
   @override
   String get commonNoHistory => 'Sin historial.';
 
@@ -3022,8 +3031,7 @@ class AppLocalizationsEs extends AppLocalizations {
   String get onbReferral => 'Código de referido (opcional)';
 
   @override
-  String get onbReferralHint =>
-      'Introduce el código si un amigo te lo compartió';
+  String get onbReferralInvalid => 'Revisa el código de referido.';
 
   @override
   String get onbArtistTitle => 'Elige a los artistas que sigues';
diff --git a/app/lib/l10n/app_localizations_ja.dart b/app/lib/l10n/app_localizations_ja.dart
index 2a11f67..a727201 100644
--- a/app/lib/l10n/app_localizations_ja.dart
+++ b/app/lib/l10n/app_localizations_ja.dart
@@ -1351,6 +1351,15 @@ class AppLocalizationsJa extends AppLocalizations {
   @override
   String get myPop => 'マイPOP';
 
+  @override
+  String get popTotal => '総保有';
+
+  @override
+  String get popReserved => '予約';
+
+  @override
+  String get popAvailable => '利用可能';
+
   @override
   String get commonNoHistory => '履歴はありません。';
 
@@ -2906,7 +2915,7 @@ class AppLocalizationsJa extends AppLocalizations {
   String get onbReferral => '紹介コード(任意)';
 
   @override
-  String get onbReferralHint => '友だちからもらったコードがあれば入力してください';
+  String get onbReferralInvalid => '紹介コードをご確認ください。';
 
   @override
   String get onbArtistTitle => '好きなアーティストを選んでください';
diff --git a/app/lib/l10n/app_localizations_ko.dart b/app/lib/l10n/app_localizations_ko.dart
index 73aa0fc..db7595c 100644
--- a/app/lib/l10n/app_localizations_ko.dart
+++ b/app/lib/l10n/app_localizations_ko.dart
@@ -1350,6 +1350,15 @@ class AppLocalizationsKo extends AppLocalizations {
   @override
   String get myPop => '내 POP';
 
+  @override
+  String get popTotal => '총 보유';
+
+  @override
+  String get popReserved => '예약';
+
+  @override
+  String get popAvailable => '사용 가능';
+
   @override
   String get commonNoHistory => '내역이 없습니다.';
 
@@ -2909,7 +2918,7 @@ class AppLocalizationsKo extends AppLocalizations {
   String get onbReferral => '추천인 코드 (선택)';
 
   @override
-  String get onbReferralHint => '친구에게 받은 코드가 있으면 입력해 주세요';
+  String get onbReferralInvalid => '추천인 코드를 확인해 주세요.';
 
   @override
   String get onbArtistTitle => '관심 아티스트를 선택해 주세요';
diff --git a/app/lib/l10n/app_localizations_zh.dart b/app/lib/l10n/app_localizations_zh.dart
index 6d869ef..715f9cc 100644
--- a/app/lib/l10n/app_localizations_zh.dart
+++ b/app/lib/l10n/app_localizations_zh.dart
@@ -1349,6 +1349,15 @@ class AppLocalizationsZh extends AppLocalizations {
   @override
   String get myPop => '我的 POP';
 
+  @override
+  String get popTotal => '总持有';
+
+  @override
+  String get popReserved => '预留';
+
+  @override
+  String get popAvailable => '可用';
+
   @override
   String get commonNoHistory => '暂无记录。';
 
@@ -2901,7 +2910,7 @@ class AppLocalizationsZh extends AppLocalizations {
   String get onbReferral => '推荐码(选填)';
 
   @override
-  String get onbReferralHint => '如有朋友分享的推荐码请输入';
+  String get onbReferralInvalid => '请确认推荐码。';
 
   @override
   String get onbArtistTitle => '请选择关注的艺人';
diff --git a/app/lib/l10n/app_zh.arb b/app/lib/l10n/app_zh.arb
index 15071ef..c9779fd 100644
--- a/app/lib/l10n/app_zh.arb
+++ b/app/lib/l10n/app_zh.arb
@@ -400,6 +400,9 @@
   "refundReason": "退款原因",
   "refundConfirm": "确定要申请退款吗？",
   "myPop": "我的 POP",
+  "popTotal": "总持有",
+  "popReserved": "预留",
+  "popAvailable": "可用",
   "commonNoHistory": "暂无记录。",
   "nicknameEdit": "修改昵称",
   "nicknameReserved": "不能使用可能被误认为运营方的名称。",
@@ -861,7 +864,7 @@
   "onbCountrySheetTitle": "选择居住国家/地区",
   "onbLanguage": "显示语言",
   "onbReferral": "推荐码(选填)",
-  "onbReferralHint": "如有朋友分享的推荐码请输入",
+  "onbReferralInvalid": "请确认推荐码。",
   "onbArtistTitle": "请选择关注的艺人",
   "onbArtistBody": "第一个选择的艺人将成为默认星球。可以同时加入多个粉丝团。",
   "onbArtistSearch": "搜索艺人名称",
diff --git a/app/lib/l10n/remote_app_localizations.dart b/app/lib/l10n/remote_app_localizations.dart
index 019a674..631f14d 100644
--- a/app/lib/l10n/remote_app_localizations.dart
+++ b/app/lib/l10n/remote_app_localizations.dart
@@ -1466,7 +1466,7 @@ class RemoteAppLocalizations extends AppLocalizations {
   String get onbReferral => _remote['onbReferral'] ?? _base.onbReferral;
 
   @override
-  String get onbReferralHint => _remote['onbReferralHint'] ?? _base.onbReferralHint;
+  String get onbReferralInvalid => _remote['onbReferralInvalid'] ?? _base.onbReferralInvalid;
 
   @override
   String get onbSkip => _remote['onbSkip'] ?? _base.onbSkip;
@@ -1687,6 +1687,9 @@ class RemoteAppLocalizations extends AppLocalizations {
   @override
   String get playNow => _remote['playNow'] ?? _base.playNow;
 
+  @override
+  String get popAvailable => _remote['popAvailable'] ?? _base.popAvailable;
+
   @override
   String get popKindContribution => _remote['popKindContribution'] ?? _base.popKindContribution;
 
@@ -1783,6 +1786,12 @@ class RemoteAppLocalizations extends AppLocalizations {
   @override
   String popRepeat(String title, String count) => _fill('popRepeat', {'title': title, 'count': count}) ?? _base.popRepeat(title, count);
 
+  @override
+  String get popReserved => _remote['popReserved'] ?? _base.popReserved;
+
+  @override
+  String get popTotal => _remote['popTotal'] ?? _base.popTotal;
+
   @override
   String get popTxGrant => _remote['popTxGrant'] ?? _base.popTxGrant;
 
diff --git a/app/test/backend_repository_test.dart b/app/test/backend_repository_test.dart
index 578c7c2..24b39dc 100644
--- a/app/test/backend_repository_test.dart
+++ b/app/test/backend_repository_test.dart
@@ -805,7 +805,17 @@ void main() {
       expect([left.joined, left.passportTier, left.contributedPop, left.fandomName],
           [false, PassportTier.diamond, 700, '떠난팬덤']);
       expect(profile.badges.single.label, 'HEALTH · 2/7');
-      expect(profile.balancePop, 12540);
+      // 총 보유 = 일반 12,540 + 기여 300 + 예약 0(G-05).
+      expect(profile.balancePop, 12840);
+    });
+
+    test('잔액 3구분 — 총 보유 = 예약 + 사용 가능(G-05 · QA 2-29)', () async {
+      final db = await _seed();
+      await db.doc('users/$_uid/wallet/main').set({
+        'activityBalance': 1000, 'supportBalance': 200, 'pendingActivity': 50,
+      });
+      final profile = await FirestoreMyRepository(_backend(db)).profile();
+      expect([profile.balancePop, profile.reservedPop, profile.availablePop], [1250, 50, 1200]);
     });
 
     test('레벨 필드가 없으면 Lv.1 · SILVER 로 둔다', () async {
diff --git a/app/test/f6_screens_test.dart b/app/test/f6_screens_test.dart
index 39d37ec..a3b4177 100644
--- a/app/test/f6_screens_test.dart
+++ b/app/test/f6_screens_test.dart
@@ -656,6 +656,10 @@ void main() {
       expect(find.text('12,540'), findsWidgets);
       expect(find.text('+50'), findsOneWidget);
       expect(find.text('-500'), findsOneWidget);
+      // 총 보유 · 예약 · 사용 가능 세 값(G-05).
+      expect(find.text('총 보유'), findsOneWidget);
+      expect(find.text('예약'), findsOneWidget);
+      expect(find.text('사용 가능'), findsOneWidget);
     });
 
     testWidgets('Zap 은 건별이 아니라 당일 합산 한 줄이다', (tester) async {
diff --git a/app/test/onboarding_test.dart b/app/test/onboarding_test.dart
index 9f77c5b..6dbf7de 100644
--- a/app/test/onboarding_test.dart
+++ b/app/test/onboarding_test.dart
@@ -206,6 +206,54 @@ void main() {
     expect(find.byType(BackButton), findsOneWidget); // ③ 프로필로 돌아왔다.
   });
 
+  testWidgets('추천인 코드(C-119) — 귀속 뒤 돌아와도 다시 부르지 않고, 다른 코드는 511:86845 문구로 거절', (
+    tester,
+  ) async {
+    final (auth, repo) = await boot(tester, needs: true);
+    await auth.signIn(SocialProvider.google);
+    await tester.pumpAndSettle();
+    for (final label in [
+      '서비스 이용약관 (필수)',
+      '개인정보 수집·이용 및 처리방침 동의 (필수)',
+      '위치기반 서비스 이용약관 (필수)',
+      '만 14세 이상입니다. (필수)',
+    ]) {
+      await tester.tap(find.text(label));
+    }
+    await tester.pump();
+    await tester.tap(find.text('완료'));
+    await tester.pumpAndSettle();
+
+    await tester.enterText(find.byType(TextField).first, '우주팬');
+    await tester.enterText(find.byType(TextField).last, 'abcdefghjk');
+    await tester.pump();
+    await tester.tap(find.text('다음'));
+    await tester.pumpAndSettle();
+    expect(repo.referral, 'ABCDEFGHJK');
+
+    // ④ → ③ : 귀속한 코드가 채워져 있고 그대로 「다음」이면 통과(두 번째 호출 없음).
+    await tester.tap(find.byType(BackButton));
+    await tester.pumpAndSettle();
+    expect(find.text('ABCDEFGHJK'), findsOneWidget);
+    // 목 저장소는 저장한 닉네임을 돌려주지 않는다 — 다시 넣는다.
+    await tester.enterText(find.byType(TextField).first, '우주팬');
+    await tester.pump();
+    await tester.tap(find.text('다음'));
+    await tester.pumpAndSettle();
+    expect(find.text('NewJeans'), findsOneWidget); // ④ 로 넘어갔다.
+
+    // 다른 코드로 바꾸면 서버가 1인 1회로 거절 → Figma 오류 문구, 단계는 그대로.
+    await tester.tap(find.byType(BackButton));
+    await tester.pumpAndSettle();
+    await tester.enterText(find.byType(TextField).first, '우주팬');
+    await tester.enterText(find.byType(TextField).last, 'ZZZZZZZZZZ');
+    await tester.pump();
+    await tester.tap(find.text('다음'));
+    await tester.pumpAndSettle();
+    expect(find.text('추천인 코드를 확인해 주세요.'), findsOneWidget);
+    expect(repo.referral, 'ABCDEFGHJK');
+  });
+
   testWidgets('가입 모드에서 받은 약관은 다시 묻지 않고 기록만 한다', (tester) async {
     final (auth, repo) = await boot(tester, needs: true);
     auth.pendingConsent = {