feat: the right pane describes what's selected in the pane you're in

Co-Authored-By: Claude Opus 5.5 (1M context) <noreply@anthropic.com>

internal/ui/panes/detail.go

@@ -46,7 +46,6 @@ type Detail struct {
 
 	versions []provider.Object // newest first; nil while unknown
 	note     string            // the user's note on what's shown
-	message  string            // shown instead of the hint when nothing is selected: an error
 
 	offset int
 	w, h   int
@@ -72,10 +71,6 @@ func (d *Detail) Clear() {
 	*d = Detail{Now: d.Now, Icons: d.Icons, RevealKey: d.RevealKey, VersionsKey: d.VersionsKey, CopyKey: d.CopyKey, w: d.w, h: d.h} // drops the note too
 }
 
-// SetMessage sets what's shown instead of the hint when nothing is
-// selected, such as why an account has nothing to show; "" for the hint.
-func (d *Detail) SetMessage(s string) { d.message = s }
-
 // SetDescribing marks extra metadata as being fetched.
 func (d *Detail) SetDescribing() { d.describing, d.describeErr = true, nil }
 
@@ -191,12 +186,6 @@ func (d Detail) lines(st styles.Styles) []string {
 	muted := st.Muted.Render
 
 	if d.container == nil {
-		if d.message != "" {
-			for _, l := range strings.Split(ansi.Hardwrap(d.message, max(1, inner-2), true), "\n") {
-				out = append(out, " "+st.Error.Render(l))
-			}
-			return out
-		}
 		return []string{muted(" Select a vault or scope to browse its secrets.")}
 	}
 	c := *d.container