fix(ui): open help before modal dispatch

ui/model/keys.go

@@ -182,6 +182,13 @@ func (m *Model) handleKey(msg tea.KeyPressMsg) tea.Cmd {
 	if msg.String() == "ctrl+c" {
 		return m.quit()
 	}
+	if msg.String() == "ctrl+k" && !m.keymap.visible {
+		if m.fullVis {
+			m.exitFullVisualizer()
+		}
+		m.openKeymap()
+		return nil
+	}
 	if m.width > 0 && m.layout.tooSmall() {
 		if msg.String() == "q" {
 			return m.quit()
@@ -194,10 +201,6 @@ func (m *Model) handleKey(msg tea.KeyPressMsg) tea.Cmd {
 	if m.keymap.visible {
 		return m.handleKeymapKey(msg)
 	}
-	if msg.String() == "ctrl+k" {
-		m.openKeymap()
-		return nil
-	}
 
 	// Audio device picker overlay
 	if m.devicePicker.visible {

ui/model/phase2_test.go

@@ -0,0 +1,27 @@
+package model
+
+import (
+	"testing"
+
+	tea "charm.land/bubbletea/v2"
+)
+
+func TestGlobalHelpOpensOverActiveTextInput(t *testing.T) {
+	m := Model{search: searchState{active: true, query: "jazz"}}
+
+	m.handleKey(tea.KeyPressMsg{Code: 'k', Mod: tea.ModCtrl})
+	if !m.keymap.visible {
+		t.Fatal("keymap.visible = false after Ctrl+K, want true")
+	}
+	if !m.search.active || m.search.query != "jazz" {
+		t.Fatalf("search state = %+v, want active input preserved", m.search)
+	}
+
+	m.handleKey(tea.KeyPressMsg{Code: 'k', Mod: tea.ModCtrl})
+	if m.keymap.visible {
+		t.Fatal("keymap.visible = true after second Ctrl+K, want false")
+	}
+	if !m.search.active || m.search.query != "jazz" {
+		t.Fatalf("search state = %+v after closing help, want active input preserved", m.search)
+	}
+}