Add mcp route command for managing mc-proxy routes

New top-level command with list, add, remove subcommands. Supports
-n/--node to target a specific node. Adds AddProxyRoute and
RemoveProxyRoute RPCs to the agent. Moves route listing from
mcp node routes to mcp route list.

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

cmd/mcp/node.go

@@ -40,62 +40,10 @@ func nodeCmd() *cobra.Command {
 		RunE:  runNodeRemove,
 	}
 
-	routes := &cobra.Command{
-		Use:   "routes",
-		Short: "List mc-proxy routes on all nodes",
-		RunE:  runNodeRoutes,
-	}
-
-	cmd.AddCommand(list, add, remove, routes)
+	cmd.AddCommand(list, add, remove)
 	return cmd
 }
 
-func runNodeRoutes(_ *cobra.Command, _ []string) error {
-	first := true
-	return forEachNode(func(node config.NodeConfig, client mcpv1.McpAgentServiceClient) error {
-		ctx, cancel := context.WithTimeout(context.Background(), 5*time.Second)
-		defer cancel()
-
-		resp, err := client.ListProxyRoutes(ctx, &mcpv1.ListProxyRoutesRequest{})
-		if err != nil {
-			_, _ = fmt.Fprintf(os.Stderr, "warning: %s: list routes: %v\n", node.Name, err)
-			return nil
-		}
-
-		if !first {
-			fmt.Println()
-		}
-		first = false
-
-		fmt.Printf("NODE: %s\n", node.Name)
-		fmt.Printf("mc-proxy %s\n", resp.GetVersion())
-		if resp.GetStartedAt() != nil {
-			uptime := time.Since(resp.GetStartedAt().AsTime()).Truncate(time.Second)
-			fmt.Printf("uptime:      %s\n", uptime)
-		}
-		fmt.Printf("connections: %d\n", resp.GetTotalConnections())
-		fmt.Println()
-
-		for _, ls := range resp.GetListeners() {
-			fmt.Printf("  %s  routes=%d  active=%d\n",
-				ls.GetAddr(), ls.GetRouteCount(), ls.GetActiveConnections())
-			for _, r := range ls.GetRoutes() {
-				mode := r.GetMode()
-				if mode == "" {
-					mode = "l4"
-				}
-				extra := ""
-				if r.GetBackendTls() {
-					extra = " (re-encrypt)"
-				}
-				fmt.Printf("    %s %s → %s%s\n", mode, r.GetHostname(), r.GetBackend(), extra)
-			}
-		}
-
-		return nil
-	})
-}
-
 func runNodeList(_ *cobra.Command, _ []string) error {
 	cfg, err := config.LoadCLIConfig(cfgPath)
 	if err != nil {