Additions and enhancements (#14)

- add interactive API repl
- enhance cluster status output (use -v)
- add more ccr commands
- refactoring

cmd/repl.go

@@ -0,0 +1,38 @@
+/*
+Copyright © 2026 Thomas von Dein
+
+This program is free software: you can redistribute it and/or modify
+it under the terms of the GNU General Public License as published by
+the Free Software Foundation, either version 3 of the License, or
+(at your option) any later version.
+
+This program is distributed in the hope that it will be useful,
+but WITHOUT ANY WARRANTY; without even the implied warranty of
+MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+GNU General Public License for more details.
+
+You should have received a copy of the GNU General Public License
+along with this program. If not, see <http://www.gnu.org/licenses/>.
+*/
+package cmd
+
+import (
+	"context"
+
+	"codeberg.org/scip/esctl/pkg/cfg"
+	"codeberg.org/scip/esctl/pkg/es"
+
+	"github.com/urfave/cli/v3"
+)
+
+func Repl(conf *cfg.Config) *cli.Command {
+	return &cli.Command{
+		Name:    "repl",
+		Aliases: []string{"shell"},
+		Usage:   "interactive API repl",
+
+		Action: func(ctx context.Context, cmd *cli.Command) error {
+			return es.Repl(conf)
+		},
+	}
+}