fix: refresh mutations and defer busy quit

internal/tui/model.go

@@ -41,6 +41,7 @@ type Model struct {
 	refreshing        bool
 	profileTransition bool
 	progressTarget    string
+	quitRequested     bool
 }
 
 type targetOperationDone struct {
@@ -76,10 +77,18 @@ func (m Model) Init() tea.Cmd { return nil }
 // operation start checks it, so a completion can only belong to the one current
 // operation rather than racing another operation for shared model state.
 func (m Model) busy() bool {
-	return m.applying || m.refreshing || m.profileTransition || m.pendingActivation.Kind != 0
+	return m.operationInFlight() || m.pendingActivation.Kind != 0
+}
+
+func (m Model) operationInFlight() bool {
+	return m.applying || m.refreshing || m.profileTransition
 }
 
 func (m Model) Update(message tea.Msg) (tea.Model, tea.Cmd) {
+	if key, ok := message.(tea.KeyMsg); ok && m.operationInFlight() && isQuitKey(key) {
+		m.quitRequested = true
+		return m, nil
+	}
 	if completed, ok := message.(refreshDone); ok {
 		if !m.refreshing {
 			return m, nil
@@ -99,7 +108,7 @@ func (m Model) Update(message tea.Msg) (tea.Model, tea.Cmd) {
 		} else if m.selected >= targetCount {
 			m.selected = targetCount - 1
 		}
-		return m, nil
+		return m, m.deferredQuit()
 	}
 	if progress, ok := message.(profileOperationProgress); ok {
 		if !m.profileTransition {
@@ -120,7 +129,7 @@ func (m Model) Update(message tea.Msg) (tea.Model, tea.Cmd) {
 			intent := m.pendingActivation
 			m.profileConfirm = &intent
 			m.status = progress.result.Confirmation
-			return m, nil
+			return m, m.deferredQuit()
 		}
 		if progress.result.Err != nil {
 			m.status = "\x1b[31mError: " + progress.result.Err.Error() + "\x1b[0m"
@@ -132,7 +141,7 @@ func (m Model) Update(message tea.Msg) (tea.Model, tea.Cmd) {
 			m.profileTransition = false
 			m.progressTarget = ""
 			m.pendingActivation = app.Intent{}
-			return m, nil
+			return m, m.deferredQuit()
 		}
 		return m, waitForProfileProgress(progress.updates)
 	}
@@ -156,7 +165,7 @@ func (m Model) Update(message tea.Msg) (tea.Model, tea.Cmd) {
 			m.targetConfirm = nil
 			m.status = completed.result.Notice
 		}
-		return m, nil
+		return m, m.deferredQuit()
 	}
 	key, ok := message.(tea.KeyMsg)
 	if !ok {
@@ -179,6 +188,22 @@ func (m Model) Update(message tea.Msg) (tea.Model, tea.Cmd) {
 	}
 }
 
+func isQuitKey(key tea.KeyMsg) bool {
+	switch key.String() {
+	case "q", "esc", "ctrl+c":
+		return true
+	default:
+		return false
+	}
+}
+
+func (m Model) deferredQuit() tea.Cmd {
+	if m.quitRequested {
+		return tea.Quit
+	}
+	return nil
+}
+
 func (m Model) updateMain(key tea.KeyMsg) (tea.Model, tea.Cmd) {
 	if m.targetConfirm != nil && !m.busy() {
 		switch key.String() {