Method renderTab

internal/tui/tabbar.go:179–267

renderTab renders a single tab.

(entry TabEntry, number int)

// renderTab renders a single tab.
func (t *TabBar) renderTab(entry TabEntry, number int) string {
	var content strings.Builder

	// Build tab content: name + indicators
	name := entry.Name
	maxNameLen := 8
	if len(name) > maxNameLen {
		name = name[:maxNameLen-1] + "."
	}

	// State indicator
	var stateIndicator string
	switch entry.LoopState {
	case loop.LoopStateRunning:
		stateIndicator = fmt.Sprintf(" ▶ %d", entry.Iteration)
	case loop.LoopStatePaused:
		stateIndicator = " ⏸"
	case loop.LoopStateComplete:
		stateIndicator = " ✓"
	case loop.LoopStateError:
		stateIndicator = " ✗"
	default:
		// Show progress for ready state
		if entry.Total > 0 {
			stateIndicator = fmt.Sprintf(" [%d/%d]", entry.Completed, entry.Total)
			// Add checkmark if all complete
			if entry.Completed == entry.Total {
				stateIndicator += " ✓"
			}
		}
	}

	// Active indicator
	activeIndicator := ""
	if entry.IsActive {
		activeIndicator = "◉ "
	}

	content.WriteString(activeIndicator)
	content.WriteString(name)
	if entry.Branch != "" {
		branch := entry.Branch
		maxBranchLen := 20
		if len(branch) > maxBranchLen {
			branch = branch[:maxBranchLen-1] + "…"
		}
		content.WriteString(" [")
		content.WriteString(branch)
		content.WriteString("]")
	}
	content.WriteString(stateIndicator)

	tabContent := content.String()

	// Choose style based on state
	var style lipgloss.Style
	if entry.IsActive {
		style = TabActiveStyle