tui: wire full dashboard tabs and improve overview summaries

2 files changed, 123 insertions, 0 deletions

diff --git a/internal/tui/common/keys.go b/internal/tui/common/keys.go
new file mode 100644
index 0000000..0dae542
--- /dev/null
+++ b/internal/tui/common/keys.go
@@ -0,0 +1,62 @@
+package common
+
+import "github.com/charmbracelet/bubbles/key"
+
+// KeyMap groups all key bindings shared by TUI screens.
+type KeyMap struct {
+	Tab      key.Binding
+	ShiftTab key.Binding
+	One      key.Binding
+	Two      key.Binding
+	Three    key.Binding
+	Four     key.Binding
+	Five     key.Binding
+	Six      key.Binding
+	Export   key.Binding
+	Quit     key.Binding
+	Help     key.Binding
+	Enter    key.Binding
+	Esc      key.Binding
+	Refresh  key.Binding
+}
+
+// Keys contains the default shared key map.
+var Keys = DefaultKeyMap()
+
+// DefaultKeyMap builds the default key bindings used by models.
+func DefaultKeyMap() KeyMap {
+	return KeyMap{
+		Tab:      key.NewBinding(key.WithKeys("tab"), key.WithHelp("tab", "next tab")),
+		ShiftTab: key.NewBinding(key.WithKeys("shift+tab"), key.WithHelp("shift+tab", "prev tab")),
+		One:      key.NewBinding(key.WithKeys("1"), key.WithHelp("1", "overview")),
+		Two:      key.NewBinding(key.WithKeys("2"), key.WithHelp("2", "syscalls")),
+		Three:    key.NewBinding(key.WithKeys("3"), key.WithHelp("3", "files")),
+		Four:     key.NewBinding(key.WithKeys("4"), key.WithHelp("4", "processes")),
+		Five:     key.NewBinding(key.WithKeys("5"), key.WithHelp("5", "latency")),
+		Six:      key.NewBinding(key.WithKeys("6"), key.WithHelp("6", "gaps")),
+		Export:   key.NewBinding(key.WithKeys("e"), key.WithHelp("e", "export")),
+		Quit:     key.NewBinding(key.WithKeys("q", "ctrl+c"), key.WithHelp("q", "quit")),
+		Help:     key.NewBinding(key.WithKeys("?"), key.WithHelp("?", "help")),
+		Enter:    key.NewBinding(key.WithKeys("enter"), key.WithHelp("enter", "select")),
+		Esc:      key.NewBinding(key.WithKeys("esc"), key.WithHelp("esc", "back")),
+		Refresh:  key.NewBinding(key.WithKeys("r"), key.WithHelp("r", "refresh")),
+	}
+}
+
+// DashboardShortHelp returns compact bindings for dashboard help bars.
+func (k KeyMap) DashboardShortHelp() []key.Binding {
+	return []key.Binding{k.Tab, k.ShiftTab, k.Export, k.Help, k.Quit}
+}
+
+// DashboardFullHelp returns grouped bindings for dashboard overlays.
+func (k KeyMap) DashboardFullHelp() [][]key.Binding {
+	return [][]key.Binding{
+		{k.One, k.Two, k.Three, k.Four, k.Five, k.Six},
+		{k.Tab, k.ShiftTab, k.Export, k.Help, k.Quit},
+	}
+}
+
+// PickerShortHelp returns compact bindings for the PID picker.
+func (k KeyMap) PickerShortHelp() []key.Binding {
+	return []key.Binding{k.Enter, k.Refresh, k.Esc}
+}
diff --git a/internal/tui/common/styles.go b/internal/tui/common/styles.go
new file mode 100644
index 0000000..ed6a191
--- /dev/null
+++ b/internal/tui/common/styles.go
@@ -0,0 +1,61 @@
+package common
+
+import "github.com/charmbracelet/lipgloss"
+
+var (
+	// Palette colors shared across the TUI package.
+	ColorBackground = lipgloss.Color("235")
+	ColorPanel      = lipgloss.Color("238")
+	ColorPrimary    = lipgloss.Color("75")
+	ColorAccent     = lipgloss.Color("222")
+	ColorMuted      = lipgloss.Color("246")
+	ColorText       = lipgloss.Color("255")
+	ColorDanger     = lipgloss.Color("203")
+)
+
+var (
+	// ScreenStyle is the base style for full-screen models.
+	ScreenStyle = lipgloss.NewStyle().
+			Foreground(ColorText).
+			Background(ColorBackground)
+
+	// HeaderStyle is used by top-level titles and screen headers.
+	HeaderStyle = lipgloss.NewStyle().
+			Bold(true).
+			Foreground(ColorPrimary)
+
+	// TabActiveStyle is applied to the currently-selected tab.
+	TabActiveStyle = lipgloss.NewStyle().
+			Bold(true).
+			Foreground(ColorBackground).
+			Background(ColorPrimary).
+			Padding(0, 1)
+
+	// TabInactiveStyle is applied to non-selected tabs.
+	TabInactiveStyle = lipgloss.NewStyle().
+				Foreground(ColorMuted).
+				Background(ColorPanel).
+				Padding(0, 1)
+
+	// PanelStyle is used for boxed sections.
+	PanelStyle = lipgloss.NewStyle().
+			Border(lipgloss.NormalBorder()).
+			BorderForeground(ColorPanel).
+			Padding(0, 1)
+
+	// HelpBarStyle is used for keybinding hints at the bottom.
+	HelpBarStyle = lipgloss.NewStyle().
+			Foreground(ColorMuted).
+			BorderTop(true).
+			BorderForeground(ColorPanel)
+
+	// HighlightStyle emphasizes inline values.
+	HighlightStyle = lipgloss.NewStyle().
+			Bold(true).
+			Foreground(ColorAccent)
+
+	// ErrorStyle is used for fatal or warning messages.
+	ErrorStyle = lipgloss.NewStyle().
+			Bold(true).
+			Foreground(ColorDanger)
+)