feat: all six CLI commands (new, list, resume, open, info, archive)

Complete command implementations with all flags per spec. Shared query resolution helper.

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

cmd/info.go

@@ -0,0 +1,60 @@
+package cmd
+
+import (
+	"fmt"
+	"os"
+
+	"github.com/spf13/cobra"
+	"github.com/warrenronsiek/ctask/internal/config"
+)
+
+var infoCmd = &cobra.Command{
+	Use:   "info <query>",
+	Short: "Display metadata and path for a workspace",
+	Args:  cobra.ExactArgs(1),
+	RunE:  runInfo,
+}
+
+var infoAll bool
+
+func init() {
+	infoCmd.Flags().BoolVarP(&infoAll, "all", "a", false, "Include archived workspaces in query resolution")
+	rootCmd.AddCommand(infoCmd)
+}
+
+func runInfo(cmd *cobra.Command, args []string) error {
+	root := config.ResolveRoot()
+	ws := resolveOne(root, args[0], infoAll)
+	m := ws.Meta
+
+	fmt.Printf("Task:      %s\n", m.Slug)
+	fmt.Printf("Title:     %s\n", m.Title)
+	fmt.Printf("Category:  %s\n", m.Category)
+	fmt.Printf("Status:    %s\n", m.Status)
+	fmt.Printf("Mode:      %s\n", m.Mode)
+	fmt.Printf("Agent:     %s\n", m.Agent)
+	fmt.Printf("Created:   %s\n", m.CreatedAt.Format("2006-01-02 15:04:05"))
+	fmt.Printf("Updated:   %s\n", m.UpdatedAt.Format("2006-01-02 15:04:05"))
+	fmt.Printf("Path:      %s\n", ws.Path)
+
+	if m.ArchivedAt != nil {
+		fmt.Printf("Archived:  %s\n", m.ArchivedAt.Format("2006-01-02 15:04:05"))
+	}
+
+	// List contents
+	fmt.Println()
+	fmt.Println("Contents:")
+	entries, err := os.ReadDir(ws.Path)
+	if err != nil {
+		return err
+	}
+	for _, e := range entries {
+		name := e.Name()
+		if e.IsDir() {
+			name += "/"
+		}
+		fmt.Printf("  %s\n", name)
+	}
+
+	return nil
+}