v0.0.2: polish tui rendering

Add visible activity state for running turns.
Move model metadata below the input area.
Render assistant Markdown with theme-aware styling.

internal/tui/app_test.go

@@ -20,6 +20,109 @@ func TestModelRendersChatShell(t *testing.T) {
 	}
 }
 
+func TestModelMetaRendersBelowInput(t *testing.T) {
+	m := newModel(context.Background(), nil, Options{ModelName: "test-model", Yolo: true})
+	next, _ := m.Update(tea.WindowSizeMsg{Width: 100, Height: 30})
+	rendered := next.(model).View()
+
+	inputIndex := strings.Index(rendered, "Message agentu")
+	modelIndex := strings.Index(rendered, "test-model")
+	if inputIndex < 0 || modelIndex < 0 {
+		t.Fatalf("rendered view missing input or model meta:\n%s", rendered)
+	}
+	if modelIndex < inputIndex {
+		t.Fatalf("model meta should render below input:\n%s", rendered)
+	}
+}
+
+func TestInitialViewDoesNotRenderTopNote(t *testing.T) {
+	m := newModel(context.Background(), nil, Options{ModelName: "test-model"})
+	next, _ := m.Update(tea.WindowSizeMsg{Width: 100, Height: 30})
+	rendered := next.(model).View()
+
+	for _, unwanted := range []string{"Note", "Ask anything", "Start a conversation"} {
+		if strings.Contains(rendered, unwanted) {
+			t.Fatalf("initial view should not render %q:\n%s", unwanted, rendered)
+		}
+	}
+}
+
+func TestRunningStateRendersActivityIndicator(t *testing.T) {
+	m := newModel(context.Background(), nil, Options{ModelName: "test-model"})
+	next, _ := m.Update(tea.WindowSizeMsg{Width: 100, Height: 30})
+	m = next.(model)
+	m.running = true
+	m.status = "thinking..."
+	m.resize()
+
+	rendered := m.View()
+	for _, want := range []string{"Working", "thinking...", "esc cancels"} {
+		if !strings.Contains(rendered, want) {
+			t.Fatalf("running view missing %q:\n%s", want, rendered)
+		}
+	}
+}
+
+func TestUserMessageRendersOnLeft(t *testing.T) {
+	m := newModel(context.Background(), nil, Options{ModelName: "test-model"})
+	next, _ := m.Update(tea.WindowSizeMsg{Width: 100, Height: 30})
+	m = next.(model)
+
+	rendered := m.messageView(roleUser, "hello", 80)
+	if strings.HasPrefix(rendered, " ") {
+		t.Fatalf("user message should not be right-aligned:\n%q", rendered)
+	}
+	if !strings.Contains(rendered, "You") || !strings.Contains(rendered, "hello") {
+		t.Fatalf("user message missing content:\n%s", rendered)
+	}
+}
+
+func TestAssistantMessagesRenderMarkdown(t *testing.T) {
+	m := newModel(context.Background(), nil, Options{ModelName: "test-model"})
+	next, _ := m.Update(tea.WindowSizeMsg{Width: 100, Height: 30})
+	m = next.(model)
+
+	rendered := m.messageView(roleAssistant, "# Title\n\n- item", 80)
+	for _, want := range []string{"Agentu", "Title", "item"} {
+		if !strings.Contains(rendered, want) {
+			t.Fatalf("assistant markdown missing %q:\n%s", want, rendered)
+		}
+	}
+	if strings.Contains(rendered, "# Title") {
+		t.Fatalf("assistant markdown heading was not rendered:\n%s", rendered)
+	}
+}
+
+func TestUserMessagesDoNotRenderMarkdown(t *testing.T) {
+	m := newModel(context.Background(), nil, Options{ModelName: "test-model"})
+	next, _ := m.Update(tea.WindowSizeMsg{Width: 100, Height: 30})
+	m = next.(model)
+
+	rendered := m.messageView(roleUser, "# Title\n\n- item", 80)
+	for _, want := range []string{"# Title", "- item"} {
+		if !strings.Contains(rendered, want) {
+			t.Fatalf("user markdown should stay plain and include %q:\n%s", want, rendered)
+		}
+	}
+}
+
+func TestMessageRoleLabels(t *testing.T) {
+	m := newModel(context.Background(), nil, Options{ModelName: "test-model"})
+	next, _ := m.Update(tea.WindowSizeMsg{Width: 100, Height: 30})
+	m = next.(model)
+	m.messages = []message{
+		{role: roleUser, content: "hello"},
+		{role: roleAssistant, content: "hi"},
+	}
+
+	rendered := m.renderMessages()
+	for _, want := range []string{"You", "Agentu"} {
+		if !strings.Contains(rendered, want) {
+			t.Fatalf("messages missing %q:\n%s", want, rendered)
+		}
+	}
+}
+
 func TestCtrlJInsertsInputNewline(t *testing.T) {
 	m := newModel(context.Background(), nil, Options{ModelName: "test-model"})
 	m.input.SetValue("hello")