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feat(shell): add scroll support (PgUp/PgDn) and list command #1

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Merged
NICE-DEV226 merged 1 commit into from
May 26, 2026
Merged

feat(shell): add scroll support (PgUp/PgDn) and list command #1

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140 changes: 129 additions & 11 deletions internal/shell/model.go
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Original file line number Diff line number Diff line change
Expand Up @@ -67,6 +67,7 @@ var (
{"tech", "Technology detection", "<url>"},
{"tls", "TLS configuration analysis", "<url>"},
{"clear", "Clear output", ""},
{"list", "Show session targets and findings", ""},
{"help", "Show available commands", ""},
{"exit", "Exit the shell", ""},
}
Expand Down Expand Up @@ -111,13 +112,15 @@ func (s *session) display() string {
type Model struct {
input textinput.Model

output []string
session session
cfg *types.Config
client *transport.Client
ready bool
quitting bool
width int
output []string
session session
cfg *types.Config
client *transport.Client
ready bool
quitting bool
width int
height int
scrollOffset int
}

func NewModel(cfg *types.Config) (*Model, error) {
Expand Down Expand Up @@ -156,6 +159,7 @@ func (m *Model) Update(msg tea.Msg) (tea.Model, tea.Cmd) {
switch msg := msg.(type) {
case tea.WindowSizeMsg:
m.width = msg.Width
m.height = msg.Height
m.ready = true
return m, nil

Expand All @@ -169,6 +173,25 @@ func (m *Model) Update(msg tea.Msg) (tea.Model, tea.Cmd) {
m.autocomplete()
return m, nil

case "pgup":
m.scrollOffset += m.scrollPageSize()
m.clampScroll()
return m, nil

case "pgdown":
m.scrollOffset -= m.scrollPageSize()
m.clampScroll()
return m, nil

case "home":
m.scrollOffset = m.maxScrollOffset()
m.clampScroll()
return m, nil

case "end":
m.scrollOffset = 0
return m, nil

case "enter":
line := strings.TrimSpace(m.input.Value())
if line == "" {
Expand All @@ -177,6 +200,7 @@ func (m *Model) Update(msg tea.Msg) (tea.Model, tea.Cmd) {

m.output = append(m.output, promptStyle.Render("❯ "+line))
m.input.Reset()
m.scrollOffset = 0

cmd, args := parseLine(line)
switch cmd {
Expand All @@ -189,6 +213,9 @@ func (m *Model) Update(msg tea.Msg) (tea.Model, tea.Cmd) {
case "help", "?":
m.output = append(m.output, m.helpText()...)
return m, nil
case "list", "ls":
m.output = append(m.output, m.listSession()...)
return m, nil
case "scan", "tech", "tls":
if len(args) == 0 {
m.output = append(m.output, lipgloss.NewStyle().Foreground(clCoral).Render(" Missing URL. Usage: "+cmd+" <url>"))
Expand All @@ -204,6 +231,7 @@ func (m *Model) Update(msg tea.Msg) (tea.Model, tea.Cmd) {

case cmdResultMsg:
m.output = append(m.output, msg...)
m.scrollOffset = 0
return m, nil
}

Expand Down Expand Up @@ -231,8 +259,17 @@ func (m *Model) View() string {
}

visible := m.output
if len(visible) > 80 {
visible = visible[len(visible)-80:]
pageSize := m.scrollPageSize()
if len(visible) > pageSize {
start := len(visible) - pageSize - m.scrollOffset
if start < 0 {
start = 0
}
end := start + pageSize
if end > len(visible) {
end = len(visible)
}
visible = visible[start:end]
}

for _, line := range visible {
Expand All @@ -241,7 +278,13 @@ func (m *Model) View() string {
}

b.WriteString("\n")
b.WriteString(lipgloss.NewStyle().Foreground(clDim).Padding(0, 2).Render(panelSep))
scrollInfo := ""
total := len(m.output)
showing := len(visible)
if total > showing {
scrollInfo = fmt.Sprintf(" (pg↑↓ scroll · %d/%d lines)", showing, total)
}
b.WriteString(lipgloss.NewStyle().Foreground(clDim).Padding(0, 2).Render(panelSep + scrollInfo))
b.WriteString("\n")
b.WriteString("\n")
b.WriteString(m.input.View())
Expand Down Expand Up @@ -367,6 +410,81 @@ func (m *Model) autocomplete() {
}
}

func (m *Model) listSession() []string {
m.session.mu.Lock()
defer m.session.mu.Unlock()

if len(m.session.targets) == 0 {
return []string{lipgloss.NewStyle().Foreground(clMuted).Padding(0, 2).Render(" No targets scanned yet.")}
}

var lines []string
lines = append(lines, "")
lines = append(lines, lipgloss.NewStyle().Foreground(clName).Bold(true).Padding(0, 2).Render(" Session Summary"))
lines = append(lines, "")
lines = append(lines, lipgloss.NewStyle().Foreground(clMuted).Padding(0, 2).Render(fmt.Sprintf(" %d targets · %d findings · %d requests · %s",
len(m.session.targets), len(m.session.findings), m.session.requests, m.session.duration.Round(time.Second))))

lines = append(lines, "")
lines = append(lines, lipgloss.NewStyle().Foreground(clDim).Padding(0, 2).Render(" Targets:"))
for _, t := range m.session.targets {
lines = append(lines, lipgloss.NewStyle().Foreground(clCyan).Padding(0, 4).Render(" ▸ "+t))
}

if len(m.session.findings) > 0 {
lines = append(lines, "")
lines = append(lines, lipgloss.NewStyle().Foreground(clDim).Padding(0, 2).Render(" Findings by Severity:"))
bySev := map[types.Severity][]string{}
order := []types.Severity{types.SeverityCritical, types.SeverityHigh, types.SeverityMedium, types.SeverityLow, types.SeverityInfo}
for _, f := range m.session.findings {
bySev[f.Severity] = append(bySev[f.Severity], f.Name)
}
for _, sev := range order {
items := bySev[sev]
if len(items) == 0 {
continue
}
label := severityLabel[sev]
sym := severitySym[sev]
cl := severityColor[sev]
lines = append(lines, lipgloss.NewStyle().Foreground(cl).Padding(0, 4).Render(fmt.Sprintf(" %s %s (%d)", sym, label, len(items))))
for _, item := range items {
lines = append(lines, lipgloss.NewStyle().Foreground(clMuted).Padding(0, 6).Render(" · "+item))
}
}
}

lines = append(lines, "")
return lines
}

func (m *Model) scrollPageSize() int {
available := m.height - 7
if available < 10 {
available = 10
}
return available
}

func (m *Model) maxScrollOffset() int {
pageSize := m.scrollPageSize()
total := len(m.output)
if total <= pageSize {
return 0
}
return total - pageSize
}

func (m *Model) clampScroll() {
max := m.maxScrollOffset()
if m.scrollOffset > max {
m.scrollOffset = max
}
if m.scrollOffset < 0 {
m.scrollOffset = 0
}
}

func (m *Model) helpText() []string {
var lines []string
lines = append(lines, "")
Expand All @@ -380,7 +498,7 @@ func (m *Model) helpText() []string {
lines = append(lines, line)
}
lines = append(lines, "")
lines = append(lines, lipgloss.NewStyle().Foreground(clDim).Padding(0, 2).Render(" Navigation: ↑↓ history · Tab complete · Ctrl+C quit"))
lines = append(lines, lipgloss.NewStyle().Foreground(clDim).Padding(0, 2).Render(" Navigation: ↑↓ history · Tab complete · PgUp/PgDn scroll · Ctrl+C quit"))
lines = append(lines, "")
return lines
}
Expand Down
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