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/setup.go

@@ -0,0 +1,39 @@
+package commands
+
+import (
+	"fmt"
+
+	"github.com/muyue/muyue/internal/config"
+	"github.com/muyue/muyue/internal/profiler"
+	"github.com/spf13/cobra"
+)
+
+var setupCmd = &cobra.Command{
+	Use:   "setup",
+	Short: "Run first-run wizard (profiler)",
+	RunE:  runSetup,
+}
+
+func init() {
+	rootCmd.AddCommand(setupCmd)
+}
+
+func runSetup(cmd *cobra.Command, args []string) error {
+	cfg, err := profiler.RunFirstTimeSetup()
+	if err != nil {
+		return err
+	}
+	for i := range cfg.AI.Providers {
+		if cfg.AI.Providers[i].Active && cfg.AI.Providers[i].APIKey == "" {
+			key, err := profiler.AskAPIKey(cfg.AI.Providers[i].Name)
+			if err == nil && key != "" {
+				cfg.AI.Providers[i].APIKey = key
+			}
+		}
+	}
+	if err := config.Save(cfg); err != nil {
+		return err
+	}
+	fmt.Println("Setup complete!")
+	return nil
+}