cli: make bundled help self-describing

packages/orch-runtime/internal/cli/orch/retry.go

@@ -23,6 +23,12 @@ func newRetryCmd(root *rootOptions) *cobra.Command {
 	cmd := &cobra.Command{
 		Use:   "retry",
 		Short: "Retry a failed task by creating a new attempt",
+		Long: helpLong(
+			"Use retry to create a fresh attempt and inbox thread for one failed task.",
+			"If the previous attempt used a worktree, retry provisions a new worktree from the recorded workspace contract.",
+			"If the previous attempt was analysis-only, retry stays analysis-only.",
+		),
+		Example: `  orch --db .agents/coord.db retry --run blog_mvp_001 --task T7 --to backend-worker --body "Retry after fixing the contract mismatch."`,
 		RunE: func(cmd *cobra.Command, args []string) error {
 			body, err := resolveBodyValue(opts.body, opts.bodyFile)
 			if err != nil {