Method Render

internal/tui/log.go:284–348

Render renders only the visible portion of the log viewer.

()

// Render renders only the visible portion of the log viewer.
func (l *LogViewer) Render() string {
	if len(l.entries) == 0 {
		emptyStyle := lipgloss.NewStyle().
			Foreground(MutedColor).
			Padding(1, 2)
		return emptyStyle.Render("No log entries yet. Start the loop to see Claude's activity.")
	}

	// Calculate visible range
	startLine := l.scrollPos
	if startLine < 0 {
		startLine = 0
	}
	if startLine >= l.totalLineCount {
		startLine = l.totalLineCount - 1
		if startLine < 0 {
			startLine = 0
		}
	}

	endLine := startLine + l.height
	if endLine > l.totalLineCount {
		endLine = l.totalLineCount
	}

	// Collect only visible lines by scanning cached entries
	currentLine := 0
	var visibleLines []string

	for i := range l.entries {
		lines := l.entries[i].cachedLines
		entryEnd := currentLine + len(lines)

		// Skip entries entirely before the viewport
		if entryEnd <= startLine {
			currentLine = entryEnd
			continue
		}
		// Stop once we're past the viewport
		if currentLine >= endLine {
			break
		}

		// This entry has some visible lines
		for j, line := range lines {
			lineNum := currentLine + j
			if lineNum >= startLine && lineNum < endLine {
				visibleLines = append(visibleLines, line)
			}
		}
		currentLine = entryEnd
	}

	// Add cursor indicator at bottom if streaming
	content := strings.Join(visibleLines, "\n")
	if l.autoScroll && len(l.entries) > 0 {
		lastEntry := l.entries[len(l.entries)-1]
		if lastEntry.Type == loop.EventAssistantText || lastEntry.Type == loop.EventToolStart {