diff --git a/userfront/lib/features/dashboard/presentation/dashboard_screen.dart b/userfront/lib/features/dashboard/presentation/dashboard_screen.dart
index 737b534a..468469dc 100644
--- a/userfront/lib/features/dashboard/presentation/dashboard_screen.dart
+++ b/userfront/lib/features/dashboard/presentation/dashboard_screen.dart
@@ -145,6 +145,44 @@ class LinkedRp {
   }
 }
 
+class RpHistoryItem {
+  final String clientId;
+  final String clientName;
+  final List<String> scopes;
+  final DateTime? lastApprovedAt;
+  final DateTime? lastRevokedAt;
+  final String status;
+
+  RpHistoryItem({
+    required this.clientId,
+    required this.clientName,
+    required this.scopes,
+    this.lastApprovedAt,
+    this.lastRevokedAt,
+    required this.status,
+  });
+
+  factory RpHistoryItem.fromJson(Map<String, dynamic> json) {
+    DateTime? parseDate(String? raw) {
+      if (raw == null || raw.isEmpty) return null;
+      try {
+        return DateTime.parse(raw).toLocal();
+      } catch (_) {
+        return null;
+      }
+    }
+
+    return RpHistoryItem(
+      clientId: json['client_id']?.toString() ?? '',
+      clientName: json['client_name']?.toString() ?? '',
+      scopes: (json['scopes'] as List?)?.whereType<String>().toList() ?? [],
+      lastApprovedAt: parseDate(json['last_approved_at']?.toString()),
+      lastRevokedAt: parseDate(json['last_revoked_at']?.toString()),
+      status: json['status']?.toString() ?? 'unknown',
+    );
+  }
+}
+
 class DashboardScreen extends ConsumerStatefulWidget {
   const DashboardScreen({super.key});
 
@@ -167,6 +205,7 @@ class _DashboardScreenState extends ConsumerState<DashboardScreen> {
   bool _isRevoking = false;
 
   Future<List<LinkedRp>>? _linkedRpsFuture;
+  Future<List<RpHistoryItem>>? _rpHistoryFuture;
   bool _showAllActivities = false;
   final Set<String> _revokedClientIds = {};
 
@@ -176,6 +215,7 @@ class _DashboardScreenState extends ConsumerState<DashboardScreen> {
     _pageScrollController.addListener(_onPageScroll);
     _loadAuditLogs(reset: true);
     _linkedRpsFuture = _fetchLinkedRps();
+    _rpHistoryFuture = _fetchRpHistory();
   }
 
   @override
@@ -248,6 +288,94 @@ class _DashboardScreenState extends ConsumerState<DashboardScreen> {
     }
   }
 
+  void _showRpDetails(_ActivityItem item) {
+    showDialog(
+      context: context,
+      builder: (context) => AlertDialog(
+        title: Text(item.appName),
+        content: SizedBox(
+          width: double.maxFinite,
+          child: Column(
+            mainAxisSize: MainAxisSize.min,
+            crossAxisAlignment: CrossAxisAlignment.start,
+            children: [
+              const Text('권한 (Scopes)', style: TextStyle(fontWeight: FontWeight.bold)),
+              const SizedBox(height: 8),
+              if (item.scopes.isEmpty)
+                const Text('요청된 권한이 없습니다.', style: TextStyle(color: Colors.grey))
+              else
+                Wrap(
+                  spacing: 8,
+                  runSpacing: 4,
+                  children: item.scopes.map((s) => Chip(
+                    label: Text(s, style: const TextStyle(fontSize: 12)),
+                    visualDensity: VisualDensity.compact,
+                    materialTapTargetSize: MaterialTapTargetSize.shrinkWrap,
+                  )).toList(),
+                ),
+              const SizedBox(height: 24),
+              const Text('상태 이력', style: TextStyle(fontWeight: FontWeight.bold)),
+              const SizedBox(height: 8),
+              FutureBuilder<List<RpHistoryItem>>(
+                future: _rpHistoryFuture,
+                builder: (context, snapshot) {
+                  if (snapshot.connectionState == ConnectionState.waiting) {
+                    return const SizedBox(height: 20, child: LinearProgressIndicator());
+                  }
+                  if (snapshot.hasError || !snapshot.hasData) {
+                    return const Text('이력을 불러올 수 없습니다.', style: TextStyle(color: Colors.grey));
+                  }
+                  final history = snapshot.data!.where((h) => h.clientId == item.clientId).toList();
+                  if (history.isEmpty) {
+                    // Fallback to item data if no history found (e.g. fresh login)
+                    return Text('최근 인증: ${item.lastAuthAt}');
+                  }
+                  final h = history.first;
+                  return Column(
+                    crossAxisAlignment: CrossAxisAlignment.start,
+                    children: [
+                      if (h.lastApprovedAt != null)
+                        Padding(
+                          padding: const EdgeInsets.only(bottom: 4),
+                          child: Row(
+                            children: [
+                              const Icon(Icons.check_circle_outline, size: 16, color: Colors.green),
+                              const SizedBox(width: 8),
+                              Text('승인: ${_formatDateTime(h.lastApprovedAt!)}'),
+                            ],
+                          ),
+                        ),
+                      if (h.lastRevokedAt != null)
+                        Padding(
+                          padding: const EdgeInsets.only(bottom: 4),
+                          child: Row(
+                            children: [
+                              const Icon(Icons.cancel_outlined, size: 16, color: Colors.redAccent),
+                              const SizedBox(width: 8),
+                              Text('해지: ${_formatDateTime(h.lastRevokedAt!)}'),
+                            ],
+                          ),
+                        ),
+                      const SizedBox(height: 4),
+                      Text('현재 상태: ${h.status == 'active' ? '활성' : '해지됨'}',
+                          style: TextStyle(color: h.status == 'active' ? Colors.green : Colors.grey)),
+                    ],
+                  );
+                },
+              ),
+            ],
+          ),
+        ),
+        actions: [
+          TextButton(
+            onPressed: () => Navigator.of(context).pop(),
+            child: const Text('닫기'),
+          ),
+        ],
+      ),
+    );
+  }
+
   Widget _buildSideMenu(BuildContext context, {required bool closeOnTap}) {
     return SafeArea(
       child: ListView(
@@ -429,6 +557,37 @@ class _DashboardScreenState extends ConsumerState<DashboardScreen> {
     return linkedRps;
   }
 
+  Future<List<RpHistoryItem>> _fetchRpHistory() async {
+    final baseUrl = _envOrDefault('BACKEND_URL', 'https://sso.hmac.kr');
+    final url = Uri.parse('$baseUrl/api/v1/user/rp/history');
+    final useCookie = AuthTokenStore.usesCookie();
+    final token = AuthTokenStore.getToken();
+
+    final client = createHttpClient(withCredentials: useCookie);
+    final headers = <String, String>{
+      'Content-Type': 'application/json',
+    };
+    if (!useCookie && token != null) {
+      headers['Authorization'] = 'Bearer $token';
+    }
+
+    final response = await client.get(url, headers: headers);
+    client.close();
+
+    if (response.statusCode != 200) {
+      throw Exception('Failed to load rp history');
+    }
+
+    final body = jsonDecode(response.body) as Map<String, dynamic>;
+    final items = (body['items'] as List?) ?? [];
+    final history = items
+        .whereType<Map<String, dynamic>>()
+        .map(RpHistoryItem.fromJson)
+        .toList();
+
+    return history;
+  }
+
   DateTime? _getJwtIssuedAt() {
     final token = AuthTokenStore.getToken();
     if (token == null || token.isEmpty) {
@@ -727,6 +886,10 @@ class _DashboardScreenState extends ConsumerState<DashboardScreen> {
                           const SizedBox(height: 12),
                           _buildActivitySection(isMobile),
                           const SizedBox(height: 28),
+                          _buildSectionTitle('과거 연동 앱', '이전에 연동했던 앱 목록입니다.'),
+                          const SizedBox(height: 12),
+                          _buildPastRps(isMobile),
+                          const SizedBox(height: 28),
                           _buildSectionTitle('접속이력', 'Baron 통합로그인 기준의 최근 접근 기록입니다.'),
                           const SizedBox(height: 12),
                           _buildAccessHistory(timelineWide),
@@ -871,6 +1034,43 @@ class _DashboardScreenState extends ConsumerState<DashboardScreen> {
     );
   }
 
+  Widget _buildPastRps(bool isMobile) {
+    return FutureBuilder<List<RpHistoryItem>>(
+      future: _rpHistoryFuture,
+      builder: (context, snapshot) {
+        if (snapshot.connectionState == ConnectionState.waiting) {
+          return const SizedBox(height: 40, child: Center(child: CircularProgressIndicator()));
+        }
+        
+        final pastItems = (snapshot.data ?? []).where((h) => h.status != 'active').toList();
+        if (pastItems.isEmpty) {
+          return Column(
+            crossAxisAlignment: CrossAxisAlignment.start,
+            children: [
+              Text(
+                '과거 연동 이력이 없습니다.',
+                style: TextStyle(fontSize: 14, color: Colors.grey[700], fontWeight: FontWeight.w600),
+              ),
+            ],
+          );
+        }
+
+        final activities = pastItems.map((h) => _ActivityItem(
+          clientId: h.clientId,
+          appName: h.clientName.isNotEmpty ? h.clientName : h.clientId,
+          lastAuthAt: h.lastRevokedAt != null ? '해지: ${_formatDateTime(h.lastRevokedAt!)}' : '해지됨',
+          status: '해지됨',
+          scopes: h.scopes,
+          canLogout: false,
+          isRevoked: true,
+          onRevoke: null,
+        )).toList();
+
+        return _buildActivityGrid(activities, isMobile);
+      },
+    );
+  }
+
   List<_ActivityItem> _buildActivityItems(List<LinkedRp> linkedRps) {
     final items = <_ActivityItem>[];
     for (final rp in linkedRps) {
@@ -888,6 +1088,7 @@ class _DashboardScreenState extends ConsumerState<DashboardScreen> {
           appName: name,
           lastAuthAt: lastAuthLabel,
           status: statusLabel,
+          scopes: rp.scopes,
           canLogout: false,
           isRevoked: isRevoked,
           onRevoke: isRevoked ? null : () => _onRevokeLink(rp.id, name),
@@ -1006,6 +1207,18 @@ class _DashboardScreenState extends ConsumerState<DashboardScreen> {
           const SizedBox(height: 16),
           Row(
             children: [
+              Expanded(
+                child: OutlinedButton(
+                  onPressed: () => _showRpDetails(item),
+                  style: OutlinedButton.styleFrom(
+                    foregroundColor: _ink,
+                    side: const BorderSide(color: _border),
+                    padding: const EdgeInsets.symmetric(vertical: 8),
+                  ),
+                  child: const Text('상세정보', style: TextStyle(fontSize: 13)),
+                ),
+              ),
+              const SizedBox(width: 8),
               if (item.canLogout)
                 Expanded(
                   child: OutlinedButton(
@@ -1277,6 +1490,7 @@ class _ActivityItem {
   final String lastAuthAt;
   final String status;
   final String? url;
+  final List<String> scopes;
   final bool canLogout;
   final bool isRevoked;
   final VoidCallback? onLogout;
@@ -1287,6 +1501,7 @@ class _ActivityItem {
     required this.appName,
     required this.lastAuthAt,
     required this.status,
+    required this.scopes,
     required this.canLogout,
     this.url,
     this.isRevoked = false,