Update key bindings to match project brief

internal/tui/update.go

@@ -18,13 +18,13 @@ func (m Model) Update(msg tea.Msg) (tea.Model, tea.Cmd) {
 			} else {
 				m.focus = listPane
 			}
-		case "e":
+		case "ctrl+e":
 			if m.mode == ViewMode {
 				m.mode = EditMode
 			} else {
 				m.mode = ViewMode
 			}
-		case "a":
+		case " ":
 			if m.mode == EditMode {
 				if entry := m.SelectedEntry(); entry != nil {
 					entry.Active = !entry.Active
@@ -34,7 +34,7 @@ func (m Model) Update(msg tea.Msg) (tea.Model, tea.Cmd) {
 			}
 		case "up", "k":
 			if m.focus == detailPane {
-				m.detail.LineUp(1)
+				m.detail.ScrollUp(1)
 			} else {
 				m.list, cmd = m.list.Update(msg)
 				m.refreshDetail()
@@ -42,7 +42,7 @@ func (m Model) Update(msg tea.Msg) (tea.Model, tea.Cmd) {
 			return m, cmd
 		case "down", "j":
 			if m.focus == detailPane {
-				m.detail.LineDown(1)
+				m.detail.ScrollDown(1)
 			} else {
 				m.list, cmd = m.list.Update(msg)
 				m.refreshDetail()

memory-bank/activeContext.md

@@ -24,8 +24,8 @@
 - ✅ **Parser integration** loading `/etc/hosts` into the UI
 
 ### Phase 3: Edit Mode (IN PROGRESS)
-- 🔄 **Edit mode toggle** via 'e' key with status bar indication
-- 🔄 **Entry activation toggle** using 'a' key
+- 🔄 **Edit mode toggle** via 'ctrl+e' key with status bar indication
+- 🔄 **Entry activation toggle** using spacebar
 - 🔄 **Model tests** covering edit mode behavior
 
 ### Parser Capabilities Achieved

memory-bank/progress.md

@@ -80,6 +80,7 @@
 - **Active work**: Expand edit mode with file integration and advanced editing
 - **Blockers**: None - comprehensive parser foundation with 54 tests completed
 - **Parser status**: Production-ready with all safety features implemented
+- **Key bindings updated**: `ctrl+e` for edit mode, spacebar to toggle entries
 
 ### Development Readiness
 - ✅ **Architecture designed**: Clear technical approach documented

tests/tui_test.go

@@ -72,12 +72,12 @@ func TestEditModeToggleAndActivation(t *testing.T) {
 	m := tui.NewModel(hf)
 
 	// enter edit mode
-	nm, _ := m.Update(tea.KeyMsg{Type: tea.KeyRunes, Runes: []rune{'e'}})
+	nm, _ := m.Update(tea.KeyMsg{Type: tea.KeyCtrlE})
 	m = nm.(tui.Model)
 	assert.Equal(t, tui.EditMode, m.Mode())
 
 	// toggle active state of first entry
-	nm, _ = m.Update(tea.KeyMsg{Type: tea.KeyRunes, Runes: []rune{'a'}})
+	nm, _ = m.Update(tea.KeyMsg{Type: tea.KeySpace})
 	m = nm.(tui.Model)
 	assert.False(t, m.SelectedEntry().Active)