feat: add Cobra CLI, LSP/MCP registries, workflow engine, and enriched dashboard

Major changes:
- Refactor CLI entry point to Cobra commands (root, setup, scan, doctor, install, update, lsp, mcp, skills, config, version)
- Add LSP registry with health checks, auto-install, and editor config generation
- Add MCP registry with editor detection, status tracking, and per-editor configuration
- Add workflow engine with planner and step execution for automated task chains
- Add conversation search, export (Markdown/JSON), and detailed token counting
- Add streaming shell chat handler with tool call/result events
- Add skill validation, dry-run testing, and export endpoints
- Enrich dashboard with Tools/Activity/Status tabs and tool cards grid
- Add PRD documentation
- Complete i18n for both EN and FR

💘 Generated with Crush

Assisted-by: GLM-5.1 via Crush <crush@charm.land>

cmd/muyue/commands/config.go

@@ -0,0 +1,59 @@
+package commands
+
+import (
+	"fmt"
+
+	"github.com/muyue/muyue/internal/config"
+	"github.com/spf13/cobra"
+)
+
+var configCmd = &cobra.Command{
+	Use:   "config",
+	Short: "Show/print config",
+}
+
+func init() {
+	rootCmd.AddCommand(configCmd)
+}
+
+func runConfigGet(cmd *cobra.Command, args []string) error {
+	cfg, err := config.Load()
+	if err != nil {
+		return err
+	}
+	key := args[0]
+	fmt.Fprintf(cmd.OutOrStdout(), "%v\n", getConfigValue(cfg, key))
+	return nil
+}
+
+func getConfigValue(cfg *config.MuyueConfig, key string) interface{} {
+	switch key {
+	case "version":
+		return cfg.Version
+	case "profile.name":
+		return cfg.Profile.Name
+	case "profile.email":
+		return cfg.Profile.Email
+	default:
+		return nil
+	}
+}
+
+func runConfigSet(cmd *cobra.Command, args []string) error {
+	cfg, err := config.Load()
+	if err != nil {
+		return err
+	}
+	key, value := args[0], args[1]
+	setConfigValue(cfg, key, value)
+	return config.Save(cfg)
+}
+
+func setConfigValue(cfg *config.MuyueConfig, key, value string) {
+	switch key {
+	case "profile.name":
+		cfg.Profile.Name = value
+	case "profile.email":
+		cfg.Profile.Email = value
+	}
+}