feat(backend): optimize recent sessions filtering

backend/internal/repository/session.go

@@ -194,6 +194,8 @@ func (r *sessionRepository) GetRecentSessionsByUser(ctx context.Context, uid int
 		Where("uid = ?", uid).
 		Where("asset_id > 0").
 		Where("account_id > 0").
+		Where("protocol NOT LIKE ?", "rdp%").
+		Where("protocol NOT LIKE ?", "vnc%").
 		Group("asset_id, account_id").
 		Find(&maxSessions).Error
 	
@@ -214,6 +216,8 @@ func (r *sessionRepository) GetRecentSessionsByUser(ctx context.Context, uid int
 	// Get the full session records for those IDs
 	err = dbpkg.DB.Model(&model.Session{}).
 		Where("id IN ?", sessionIds).
+		Where("protocol NOT LIKE ?", "rdp%").
+		Where("protocol NOT LIKE ?", "vnc%").
 		Order("created_at DESC").
 		Limit(limit).
 		Find(&sessions).Error

backend/internal/sshsrv/colors/theme.go

@@ -30,7 +30,7 @@ var (
 	// Protocol-specific colors (using primary palette)
 	SSHColor        = PrimaryColor9  // Bright blue for SSH
 	MySQLColor      = PrimaryColor   // Deep blue for MySQL
-	RedisColor      = lipgloss.Color("#DC382D") // Keep Redis brand red
+	RedisColor      = lipgloss.Color("#9C27B0") // Purple for Redis
 	MongoDBColor    = lipgloss.Color("#4DB33D") // Keep MongoDB brand green
 	PostgreSQLColor = PrimaryColor2  // Light blue for PostgreSQL
 	TelnetColor     = PrimaryColor8  // Soft blue for Telnet

backend/internal/sshsrv/icons/icons.go

@@ -13,7 +13,7 @@ func GetProtocolIcon(protocol string) string {
 	case "mysql":
 		return "◆"
 	case "redis":
-		return "⚡"
+		return "●"
 	case "mongodb":
 		return "◉"
 	case "postgresql":

backend/internal/sshsrv/view.go

@@ -265,7 +265,7 @@ func (m *view) Update(msg tea.Msg) (tea.Model, tea.Cmd) {
 					height = 24
 				}
 
-				// Get recent sessions
+				// Get recent sessions (filtered at database level)
 				sessions, err := m.getRecentSessions()
 				if err != nil {
 					return m, tea.Sequence(
@@ -744,7 +744,6 @@ func (m *view) magicn() tea.Msg {
 }
 
 func (m *view) getRecentSessions() ([]*model.Session, error) {
-	// Use repository to get recent sessions, deduplicated by asset_id and account_id
 	sessionRepo := repository.NewSessionRepository()
 	return sessionRepo.GetRecentSessionsByUser(m.gctx, m.currentUser.GetUid(), 20)
 }