fix(pr,time,release): closed PRs for checkout and edit, dismiss state check first, worktree-aware checkout errors, exact piped durations (follow gh)

Signed-off-by: bircni <bircni@icloud.com>

internal/app/releases.go

@@ -416,7 +416,7 @@ $ tea release edit v1.0.0-rc1 v1.0.0-rc2 --prerelease=false`,
 				return err
 			}
 			if opts.Body != nil && *opts.Body == "" {
-				return clierr.Wrap(clierr.Usage, errors.New("release notes cannot be cleared; Gitea ignores empty notes"))
+				return clierr.Wrap(clierr.Usage, errors.New("release notes cannot be cleared because Gitea ignores empty notes; edit them to a placeholder, or delete and recreate the release"))
 			}
 			if cmd.Flags().Changed("tag") {
 				if len(args) != 1 || strings.TrimSpace(fields.tag) == "" {
@@ -443,7 +443,7 @@ $ tea release edit v1.0.0-rc1 v1.0.0-rc2 --prerelease=false`,
 				opts.Body = &editorDraft.Body
 			}
 			if editorDraft.Body == "" && fields.editor {
-				return clierr.Wrap(clierr.Usage, errors.New("release notes cannot be cleared; Gitea ignores empty notes"))
+				return clierr.Wrap(clierr.Usage, errors.New("release notes cannot be cleared because Gitea ignores empty notes; edit them to a placeholder, or delete and recreate the release"))
 			}
 			return batchDone(a, cmd, args, func(tag string) string { return "release " + tag }, func(tag string) (services.Release, error) {
 				item, err := service.View(cmd.Context(), tag)