[terminal-stylist] Terminal Stylist Report: Console Output Analysis

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Overview

This report analyzes console output patterns across 764 Go source files in pkg/. The codebase has a mature, well-structured approach to terminal output, centered on three pillars: a pkg/console formatting package, Lipgloss v2 for styling, and Huh v2 for interactive forms. Overall consistency is high, with 1,624 console.Format* calls and 194 files importing the console package. A handful of areas warrant attention.

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✅ What's Working Well

Console Formatting Package

The pkg/console package provides a comprehensive set of formatting helpers (FormatSuccessMessage, FormatErrorMessage, FormatInfoMessage, FormatWarningMessage, etc.) and is used across 194 source files with 1,624 calls. The package correctly routes all diagnostic output to os.Stderr (428 fmt.Fprintf(os.Stderr,...) + 1,854 fmt.Fprintln(os.Stderr,...) calls), while structured data (JSON, hashes, graphs) goes to os.Stdout.

Lipgloss v2 — Adaptive Colors

pkg/styles/theme.go uses compat.AdaptiveColor (light/dark pairs) for every semantic color (ColorError, ColorWarning, ColorSuccess, ColorInfo, etc.), ensuring correct rendering on both light and dark terminals. TTY detection is centralised in console.applyStyle(), which wraps all style rendering behind tty.IsStdoutTerminal() — ANSI codes are stripped automatically in pipes/redirects.

// ✅ Correct — adaptive color pair
ColorError = compat.AdaptiveColor{
    Light: lipgloss.Color(hexColorErrorLight),
    Dark:  lipgloss.Color(hexColorErrorDark),
}
// ✅ Correct — conditional rendering
func applyStyle(style lipgloss.Style, text string) string {
    if isTTY() {
        return style.Render(text)
    }
    return text
}

Huh v2 — Interactive Forms

Huh is used consistently for all interactive prompts. The pkg/console package wraps huh.NewForm into reusable helpers (ConfirmAction, SelectOption, InputText). The custom styles.HuhTheme (Dracula-inspired) maps all palette colors to focused/blurred/group styles, giving forms the same visual identity as other CLI output. All form wrappers correctly call .WithAccessible(IsAccessibleMode()).

Structured Output to stdout

JSON output (json.Encoder or fmt.Println(string(jsonBytes))), hash output (fmt.Println(hash)), Mermaid graph output (fmt.Println(mermaidGraph)), and console-rendered structs (fmt.Print(console.RenderStruct(...))) correctly go to os.Stdout to support piping/redirection. This is intentional and correct.

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⚠️ Areas for Improvement

1. Markdown Report Rendering — Missing TTY Check

Files: pkg/cli/audit_cross_run_render.go, pkg/cli/audit_diff_render.go

Both files render Markdown reports directly to os.Stdout using raw fmt.Println/fmt.Printf. This is the correct destination for structured output, but the reports contain Markdown headings and tables that become noisy when piped or redirected.

// Current (audit_cross_run_render.go)
fmt.Println("# Audit Report — Cross-Run Analysis")
fmt.Printf("| Metric | Value |\n")
fmt.Printf("|--------|-------|\n")

Recommendation: These are intentional Markdown report renderers (the callers pass --format markdown), so the output destination is correct. However, a TTY check should be added for heading decorations — or a Lipgloss table renderer could improve the experience in terminals:

// Opportunity: use lipgloss/table for terminal output, fall back to GFM Markdown
t := table.New().
    Border(lipgloss.RoundedBorder()).
    Headers("Metric", "Value").
    Row("Runs analyzed", strconv.Itoa(report.RunsAnalyzed))

2. compile_schedule_calendar.go — Inline lipgloss.NewStyle() per Call

File: pkg/cli/compile_schedule_calendar.go

The intensityStyle() helper creates new lipgloss.Style values on every call, which allocates unnecessarily:

// Current
func intensityStyle(count int) lipgloss.Style {
    return lipgloss.NewStyle().Foreground(styles.ColorComment)  // new alloc every call
}

Recommendation: Declare styles as package-level vars, similar to pkg/styles/theme.go:

var (
    calendarLowStyle    = lipgloss.NewStyle().Foreground(styles.ColorComment)
    calendarMedStyle    = lipgloss.NewStyle().Foreground(styles.ColorInfo)
    calendarHighStyle   = lipgloss.NewStyle().Foreground(styles.ColorSuccess)
    calendarSpike1Style = lipgloss.NewStyle().Foreground(styles.ColorWarning)
    calendarSpike2Style = lipgloss.NewStyle().Bold(true).Foreground(styles.ColorError)
)

3. Missing Accessibility Wrapping in run_interactive.go

File: pkg/cli/run_interactive.go

Huh forms in run_interactive.go should consistently pass .WithAccessible(console.IsAccessibleMode()). Confirm this pattern is applied uniformly — the pkg/console wrappers do this correctly, but direct huh.NewForm calls in CLI commands may not.

Recommendation: Audit every direct huh.NewForm(...) call outside pkg/console to ensure .WithAccessible(console.IsAccessibleMode()) and .WithTheme(styles.HuhTheme) are applied:

// Required on every direct form
form := huh.NewForm(...).
    WithTheme(styles.HuhTheme).
    WithAccessible(console.IsAccessibleMode())

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Summary Table

Category	Status	Count	Notes
console.Format* usage	✅ Consistent	1,624 calls, 194 files	Well-adopted
Diagnostic output → stderr	✅ Correct	2,282 calls	No violations found
Structured data → stdout	✅ Correct	~15 locations	JSON, hash, graphs, Markdown reports
Lipgloss adaptive colors	✅ Used correctly	All semantic colors	compat.AdaptiveColor throughout
TTY detection	✅ Centralised	console.applyStyle()	Single source of truth
Huh forms	✅ Well-structured	43 form instances, 12 files	Custom theme applied
Inline lipgloss.NewStyle()	⚠️ Opportunity	1 file	compile_schedule_calendar.go
Markdown render TTY	⚠️ Low priority	2 files	Correct but could use Lipgloss table

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Recommendations Priority

1. (Low) Refactor intensityStyle() in compile_schedule_calendar.go to use package-level style vars.
2. (Low) Audit direct huh.NewForm calls in CLI commands for .WithAccessible() coverage.
3. (Enhancement) Consider using lipgloss/table in audit Markdown renderers for richer terminal output when running interactively.

References:

• §25487456557

Generated by Terminal Stylist · ● 6.5M · ◷

• expires on May 8, 2026, 9:34 AM UTC

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This discussion was automatically closed because it expired on 2026-05-08T09:34:00.039Z.

Closed by Workflow