fix(tui): center rows per-line, fix footers per-context

pkg/tui/snippet_list_tab.go

@@ -190,7 +190,7 @@ func (t *SnippetListTab) View() string {
 		}
 	}
 
-	footerPlain := "Ctrl+Tab:switch  Ctrl+Q:close  ↑↓:nav  Enter:SSH  Ctrl+N:add  Ctrl+F:SFTP  Ctrl+K:keys  Ctrl+P:snippets  q:quit"
+	footerPlain := "Ctrl+Tab:switch  Ctrl+Q:close  ↑↓:nav  Ctrl+N:add  Ctrl+E:edit  D:delete  Esc:back"
 	footer := styledRow{text: SubtitleStyle.Render(footerPlain), plain: footerPlain}
 
 	widestRow := lipgloss.Width(titlePlain)
@@ -205,7 +205,6 @@ func (t *SnippetListTab) View() string {
 
 	const sidePad = 6
 	targetW := widestRow + sidePad*2
-	rowShift := (targetW - widestRow) / 2
 
 	var inner strings.Builder
 
@@ -213,9 +212,9 @@ func (t *SnippetListTab) View() string {
 	inner.WriteString(lipgloss.PlaceHorizontal(targetW, lipgloss.Center, titleStyled))
 	inner.WriteString("\n\n")
 
-	shift := strings.Repeat(" ", rowShift)
-	for _, r := range rows {
-		line := lipgloss.PlaceHorizontal(targetW, lipgloss.Left, shift+r.text)
+	// Render rows, excluding the footer (last element)
+	for _, r := range rows[:len(rows)-1] {
+		line := lipgloss.PlaceHorizontal(targetW, lipgloss.Center, r.text)
 		inner.WriteString(line)
 		inner.WriteString("\n")
 	}