Initial commit: Database Backup Tool v1.1.0

- PostgreSQL and MySQL support
- Interactive TUI with fixed menu navigation
- Line-by-line progress display
- CPU-aware parallel processing
- Cross-platform build support
- Configuration settings menu
- Silent mode for TUI operations

cmd/placeholder.go

@@ -0,0 +1,70 @@
+package cmd
+
+import (
+	"github.com/spf13/cobra"
+	"dbbackup/internal/tui"
+)
+
+// Create placeholder commands for the other subcommands
+
+var restoreCmd = &cobra.Command{
+	Use:   "restore [archive]",
+	Short: "Restore from backup archive",
+	Long:  `Restore database from backup archive. Auto-detects archive format.`,
+	Args:  cobra.MaximumNArgs(1),
+	RunE: func(cmd *cobra.Command, args []string) error {
+		log.Info("Restore command called - not yet implemented")
+		return nil
+	},
+}
+
+var verifyCmd = &cobra.Command{
+	Use:   "verify [archive]",
+	Short: "Verify backup archive integrity",
+	Long:  `Verify the integrity of backup archives.`,
+	Args:  cobra.MaximumNArgs(1),
+	RunE: func(cmd *cobra.Command, args []string) error {
+		log.Info("Verify command called - not yet implemented")
+		return nil
+	},
+}
+
+var listCmd = &cobra.Command{
+	Use:   "list",
+	Short: "List available backups and databases",
+	Long:  `List available backup archives and database information.`,
+	RunE: func(cmd *cobra.Command, args []string) error {
+		log.Info("List command called - not yet implemented")
+		return nil
+	},
+}
+
+var interactiveCmd = &cobra.Command{
+	Use:   "interactive",
+	Short: "Start interactive menu mode",
+	Long:  `Start the interactive menu system for guided backup operations.`,
+	Aliases: []string{"menu", "ui"},
+	RunE: func(cmd *cobra.Command, args []string) error {
+		// Start the interactive TUI
+		return tui.RunInteractiveMenu(cfg, log)
+	},
+}
+
+var statusCmd = &cobra.Command{
+	Use:   "status",
+	Short: "Show connection status and configuration",
+	Long:  `Display current configuration and test database connectivity.`,
+	RunE: func(cmd *cobra.Command, args []string) error {
+		return runStatus(cmd.Context())
+	},
+}
+
+var preflightCmd = &cobra.Command{
+	Use:   "preflight",
+	Short: "Run preflight checks",
+	Long:  `Run connectivity and dependency checks before backup operations.`,
+	RunE: func(cmd *cobra.Command, args []string) error {
+		log.Info("Preflight command called - not yet implemented")
+		return nil
+	},
+}