Split CLI command stubs into separate files

Move each command function from main.go into its own file
(deploy.go, lifecycle.go, status.go, etc.) to enable parallel
development by multiple workers without file conflicts.

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>

cmd/mcp/transfer.go

@@ -0,0 +1,29 @@
+package main
+
+import (
+	"fmt"
+
+	"github.com/spf13/cobra"
+)
+
+func pushCmd() *cobra.Command {
+	return &cobra.Command{
+		Use:   "push <local-file> <service> [path]",
+		Short: "Copy a local file into /srv/<service>/[path]",
+		Args:  cobra.RangeArgs(2, 3),
+		RunE: func(cmd *cobra.Command, args []string) error {
+			return fmt.Errorf("not implemented")
+		},
+	}
+}
+
+func pullCmd() *cobra.Command {
+	return &cobra.Command{
+		Use:   "pull <service> <path> [local-file]",
+		Short: "Copy a file from /srv/<service>/<path> to local",
+		Args:  cobra.RangeArgs(2, 3),
+		RunE: func(cmd *cobra.Command, args []string) error {
+			return fmt.Errorf("not implemented")
+		},
+	}
+}