feat: context-aware footer on Connect screen

- r (rename) removed from footer, still visible in ? overlay
- a (accept) and i (ignore) only appear in footer when pending devices exist
- FooterBindings() interface pattern so other screens can opt into the same

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>

Author: gitcoder89431

internal/app/view.go

@@ -25,7 +25,10 @@ func (m Model) View() tea.View {
 
 	head := header.View(header.Model{AppName: config.AppName, DeviceID: m.deviceID, DeviceName: m.deviceName, SyncStatus: m.syncStatus}, dims.Header.Width, dims.Header.Height, m.theme)
 	footBindings := m.keys.ShortHelp()
-	if screenBindings := active.KeyBindings(); len(screenBindings) > 0 {
+	type footerBinder interface{ FooterBindings() []key.Binding }
+	if fb, ok := active.(footerBinder); ok {
+		footBindings = fb.FooterBindings()
+	} else if screenBindings := active.KeyBindings(); len(screenBindings) > 0 {
 		footBindings = screenBindings
 	}
 	foot := footer.View(footBindings, dims.Footer.Width, dims.Footer.Height, m.theme)

internal/screens/connections.go

@@ -351,12 +351,29 @@ func (c Connections) KeyBindings() []key.Binding {
 		key.NewBinding(key.WithKeys("j", "k"), key.WithHelp("j/k", "navigate")),
 		key.NewBinding(key.WithKeys("r"), key.WithHelp("r", "rename")),
 		key.NewBinding(key.WithKeys("p"), key.WithHelp("p", "pair by ID")),
-		key.NewBinding(key.WithKeys("a"), key.WithHelp("a", "accept")),
+		key.NewBinding(key.WithKeys("a"), key.WithHelp("a", "accept pending")),
 		key.NewBinding(key.WithKeys("i"), key.WithHelp("i", "ignore pending")),
 		key.NewBinding(key.WithKeys("d"), key.WithHelp("d", "remove device")),
 	}
 }
 
+// FooterBindings returns a shorter, context-aware binding set for the footer.
+// r is omitted (available via ? only); a/i only appear when pending devices exist.
+func (c Connections) FooterBindings() []key.Binding {
+	bindings := []key.Binding{
+		key.NewBinding(key.WithKeys("j", "k"), key.WithHelp("j/k", "navigate")),
+		key.NewBinding(key.WithKeys("p"), key.WithHelp("p", "pair by ID")),
+		key.NewBinding(key.WithKeys("d"), key.WithHelp("d", "remove device")),
+	}
+	if len(c.pending) > 0 {
+		bindings = append(bindings,
+			key.NewBinding(key.WithKeys("a"), key.WithHelp("a", "accept")),
+			key.NewBinding(key.WithKeys("i"), key.WithHelp("i", "ignore")),
+		)
+	}
+	return bindings
+}
+
 // firstSegment returns just the first 7-char segment of a Syncthing device ID.
 func firstSegment(id string) string {
 	if idx := strings.Index(id, "-"); idx > 0 {