feat: configurable cluster timeout (CLUSTER_TIMEOUT_MIN) and use in TUI backup

README.md

@@ -353,6 +353,9 @@ export MAX_CORES=16
 # Backup settings
 export BACKUP_DIR=/var/backups
 export COMPRESS_LEVEL=6
+# Cluster backup timeout in minutes (controls overall cluster operation timeout)
+# Default: 240 (4 hours)
+export CLUSTER_TIMEOUT_MIN=240
 ```
 
 ## 🏗️ Architecture

internal/config/config.go

@@ -54,6 +54,8 @@ type Config struct {
 	// Single database backup/restore
 	SingleDBName  string
 	RestoreDBName string
+	// Timeouts (in minutes)
+	ClusterTimeoutMinutes int
 }
 
 // New creates a new configuration with default values
@@ -129,6 +131,9 @@ func New() *Config {
 		// Single database options
 		SingleDBName:  getEnvString("SINGLE_DB_NAME", ""),
 		RestoreDBName: getEnvString("RESTORE_DB_NAME", ""),
+
+		// Timeouts
+		ClusterTimeoutMinutes: getEnvInt("CLUSTER_TIMEOUT_MIN", 240),
 	}
 
 	// Ensure canonical defaults are enforced

internal/tui/backup_exec.go

@@ -88,7 +88,9 @@ type backupCompleteMsg struct {
 
 func executeBackupWithTUIProgress(cfg *config.Config, log logger.Logger, backupType, dbName string, ratio int, reporter *TUIProgressReporter) tea.Cmd {
 	return func() tea.Msg {
-		ctx, cancel := context.WithTimeout(context.Background(), 30*time.Minute)
+			// Use configurable cluster timeout (minutes) from config; default set in config.New()
+			clusterTimeout := time.Duration(cfg.ClusterTimeoutMinutes) * time.Minute
+			ctx, cancel := context.WithTimeout(context.Background(), clusterTimeout)
 		defer cancel()
 
 		start := time.Now()