feat(logs): log viewer streaming real-time (F-004) — tab Log, follow+scroll, toggle timestamp, focus panel

e2e/e2e_test.go

@@ -401,7 +401,49 @@ func TestClickSelectsContainer(t *testing.T) {
 	// klik baris item ke-2: xterm y=4 (1-based) → app row 3 → indeks 1
 	u.send("\x1b[<0;10;4M\x1b[<0;10;4m")
 	u.waitHighlighted(short(items[1].Name), 3*time.Second)
-	u.waitContains(items[1].ID, 3*time.Second) // panel detail ikut berpindah
+
+	u.send("q")
+	if code := u.waitExit(5 * time.Second); code != 0 {
+		t.Fatalf("exit code %d, mau 0", code)
+	}
+}
+
+// TestLogTab — tab Log: stream nyata (timestamp/level), placeholder tab lain,
+// fokus & scroll tidak crash. Butuh docker + minimal 1 kontainer.
+func TestLogTab(t *testing.T) {
+	if _, err := os.Stat("/var/run/docker.sock"); err != nil {
+		t.Skip("docker socket tidak ada")
+	}
+	cl, err := docker.New()
+	if err != nil {
+		t.Skipf("docker: %v", err)
+	}
+	defer cl.Close()
+	ctx, cancel := context.WithTimeout(context.Background(), 5*time.Second)
+	defer cancel()
+	items, err := cl.ListContainers(ctx)
+	if err != nil || len(items) == 0 {
+		t.Skipf("tidak ada kontainer (err=%v)", err)
+	}
+	name := items[0].Name
+	if len(name) > 12 {
+		name = name[:12]
+	}
+
+	u := startTUI(t)
+	u.waitContains("beranda", 5*time.Second)
+	u.send("1")
+	u.waitContains(name, 5*time.Second)
+	u.waitContains("Statistik", 3*time.Second) // baris tab
+
+	u.send("\t") // fokus ke panel konten
+	u.send("k")
+	u.send("j")
+	u.send("G")
+	u.send("l") // tab berikutnya → placeholder
+	u.waitContains("menyusul", 3*time.Second)
+	u.send("h")                            // kembali ke tab Log
+	u.send("\x1b[<0;60;10M\x1b[<0;60;10m") // klik area konten = fokus
 
 	u.send("q")
 	if code := u.waitExit(5 * time.Second); code != 0 {