feat(tui): add Bubble Tea dashboard model for Apply phase

internal/tui/dashboard/model_test.go

@@ -0,0 +1,56 @@
+package dashboard
+
+import (
+	"errors"
+	"strings"
+	"testing"
+
+	"github.com/MDietermann/ArduinoArchSetup/internal/engine"
+	"github.com/MDietermann/ArduinoArchSetup/internal/tui"
+)
+
+func TestProgressUpdatesRow(t *testing.T) {
+	m := NewModel([]string{"a"}, map[string]string{"a": "Alpha"})
+	m.Update(tui.ProgressMsg{ModuleID: "a", Current: 3, Total: 10, Message: "doing"})
+	if r := m.rowIndex["a"]; r.Current != 3 || r.Total != 10 || r.LastMsg != "doing" {
+		t.Fatalf("row state wrong: %+v", r)
+	}
+}
+
+func TestLogAppendedBounded(t *testing.T) {
+	m := NewModel([]string{"a"}, nil)
+	for i := 0; i < 300; i++ {
+		m.Update(tui.LogMsg{ModuleID: "a", Line: "x"})
+	}
+	if got := len(m.rowIndex["a"].LogTail); got != 200 {
+		t.Fatalf("log tail = %d, want 200", got)
+	}
+}
+
+func TestDoneMsgFlipsIcons(t *testing.T) {
+	m := NewModel([]string{"ok", "bad", "skip"}, nil)
+	m.Update(DoneMsg{Summary: engine.Summary{Results: []engine.ModuleResult{
+		{ID: "ok", Status: engine.StatusSucceeded},
+		{ID: "bad", Status: engine.StatusFailed, Err: errors.New("boom")},
+		{ID: "skip", Status: engine.StatusSkipped},
+	}}})
+	if m.rowIndex["ok"].StatusIcon != "✓" {
+		t.Errorf("ok icon = %q", m.rowIndex["ok"].StatusIcon)
+	}
+	if m.rowIndex["bad"].StatusIcon != "✗" {
+		t.Errorf("bad icon = %q", m.rowIndex["bad"].StatusIcon)
+	}
+	if m.rowIndex["skip"].StatusIcon != "⊘" {
+		t.Errorf("skip icon = %q", m.rowIndex["skip"].StatusIcon)
+	}
+}
+
+func TestViewMentionsModules(t *testing.T) {
+	m := NewModel([]string{"alpha", "bravo"}, nil)
+	out := m.View()
+	for _, want := range []string{"alpha", "bravo", "archduino install"} {
+		if !strings.Contains(out, want) {
+			t.Errorf("view missing %q:\n%s", want, out)
+		}
+	}
+}