feat: migrate to use cobra as cli dep

cmd/root.go

@@ -1,21 +1,29 @@
 package cmd
 
-import "miro/internal/output"
+import "github.com/spf13/cobra"
 
-// Run parses top-level CLI args and returns a process exit code.
+// Run executes the miro CLI and returns a process exit code.
 func Run(args []string) int {
-	if len(args) == 0 {
-		output.Println("unknown command")
+	rootCmd := newRootCommand()
+	rootCmd.SetArgs(args)
+
+	if err := rootCmd.Execute(); err != nil {
 		return 1
 	}
 
-	switch args[0] {
-	case "init":
-		return runInit(args[1:])
-	case "record":
-		return runRecord(args[1:])
-	default:
-		output.Printf("unknown command: %s\n", args[0])
-		return 1
-	}
+	return 0
+}
+
+func newRootCommand() *cobra.Command {
+	rootCmd := &cobra.Command{
+		Use:   "miro",
+		Short: "A lean CLI E2E testing framework.",
+		RunE: func(cmd *cobra.Command, _ []string) error {
+			return cmd.Help()
+		},
+	}
+
+	rootCmd.AddCommand(newInitCommand(), newRecordCommand())
+
+	return rootCmd
 }