fix: SFTP pane truncation — use lipgloss.Width instead of len(), account for border+padding overhead, compact file listing on narrow panes

pkg/tui/sftp_browser_tab.go

@@ -601,6 +601,12 @@ func (t *SFTPBrowserTab) renderPane(p *sftpPane, pt paneType, maxW int) string {
 		paneStyle = StylePaneActive
 	}
 
+	// Inner content width: border(2) + padding(2) = 4 overhead
+	innerW := maxW - 4
+	if innerW < 5 {
+		innerW = 5
+	}
+
 	// Title
 	titleBar := fmt.Sprintf(" %s ", title)
 	if isActive {
@@ -609,14 +615,14 @@ func (t *SFTPBrowserTab) renderPane(p *sftpPane, pt paneType, maxW int) string {
 		titleBar = SubtitleStyle.Render(" " + title + " ")
 	}
 
-	// CWD
-	cwdStr := p.cwd
-	if len(cwdStr) > maxW-4 {
-		cwdStr = "..." + cwdStr[len(cwdStr)-maxW+7:]
+	// CWD (truncated with proper visual width)
+	cwdDisplay := fmt.Sprintf(" %s", p.cwd)
+	if lipgloss.Width(cwdDisplay) > innerW {
+		cwdDisplay = truncateStr(cwdDisplay, innerW)
 	}
 
 	var content strings.Builder
-	content.WriteString(SubtitleStyle.Render(fmt.Sprintf(" %s", cwdStr)))
+	content.WriteString(SubtitleStyle.Render(cwdDisplay))
 	content.WriteString("\n\n")
 
 	// Filter
@@ -655,13 +661,20 @@ func (t *SFTPBrowserTab) renderPane(p *sftpPane, pt paneType, maxW int) string {
 
 			if entry.IsDir() {
 				line = fmt.Sprintf("  %s/", name)
+			} else if innerW < 30 {
+				line = fmt.Sprintf("  %s", name)
 			} else {
 				size := formatSize(entry.Size())
 				line = fmt.Sprintf("  %s  (%s)", name, size)
 			}
 
-			if len(line) > maxW {
-				line = line[:maxW-1] + "…"
+			// Truncate — account for SelectedStyle Padding(0,1) = 2 extra chars
+			lineMaxW := innerW
+			if i == p.selIdx {
+				lineMaxW = innerW - 2
+			}
+			if lipgloss.Width(line) > lineMaxW {
+				line = truncateStr(line, lineMaxW)
 			}
 
 			if i == p.selIdx {