refactor: the account pane becomes Fields, the pane for anything but a secret

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

internal/ui/panes/fields.go

@@ -8,10 +8,12 @@ import (
 	"git.kebcloud.no/keb/lazysecrets/internal/ui/styles"
 )
 
-// SourceDetail is the fourth pane on a provider's row: what's known about
-// its account, one field per row, to move through, filter and copy from.
-// It's a List, so / filters it like the other panes.
-type SourceDetail struct {
+// Fields is the fourth pane for anything but a secret (an account, and
+// what describes vaults, scopes and files): labelled values, one per row,
+// a label on the first of several values, to move through, filter and
+// copy from. It's a List, so / filters it like the other panes. Secrets
+// have Detail, for revealing and versions.
+type Fields struct {
 	List[Field]
 }
 
@@ -22,7 +24,7 @@ type Field struct {
 	Info         bool
 }
 
-func NewSourceDetail() SourceDetail {
+func NewFields() Fields {
 	l := NewList("", Item[Field]{
 		ID:     func(f Field) string { return f.Label + "\x00" + f.Value },
 		Filter: func(f Field) string { return f.Value },
@@ -36,13 +38,13 @@ func NewSourceDetail() SourceDetail {
 			return ansi.Truncate(st.Label.Render(fmt.Sprintf("%-10s", f.Label))+" "+value, width, "…")
 		},
 	})
-	l.Empty = "nothing known about this account"
-	return SourceDetail{l}
+	l.Empty = "nothing to show"
+	return Fields{l}
 }
 
-// Set shows fields under title. Another title (another account) starts
-// over, without a filter.
-func (s *SourceDetail) Set(title string, fields []Field) {
+// Set shows fields under title. Another title (another account or vault)
+// starts over, without a filter.
+func (s *Fields) Set(title string, fields []Field) {
 	if title != s.Title {
 		s.Reset()
 		s.Title = title
@@ -53,10 +55,10 @@ func (s *SourceDetail) Set(title string, fields []Field) {
 }
 
 // Shown reports whether there's anything to show.
-func (s SourceDetail) Shown() bool { return len(s.Items()) > 0 }
+func (s Fields) Shown() bool { return len(s.Items()) > 0 }
 
 // Selected is the field under the cursor, unless it's an info row.
-func (s SourceDetail) Selected() (Field, bool) {
+func (s Fields) Selected() (Field, bool) {
 	f, ok := s.List.Selected()
 	if !ok || f.Info {
 		return Field{}, false