better handling

internal/collector/collector_test.go

@@ -50,3 +50,33 @@ OK:
 		t.Errorf("expected type 'logs', got %s", store.entries[0].Type)
 	}
 }
+
+func TestCollectorHistoryLimit(t *testing.T) {
+	coll := New(nil, 10, nil)
+
+	for i := 0; i < 10; i++ {
+		coll.addToHistory(websocket.DataTypeLogs, map[string]interface{}{"msg": i})
+	}
+
+	history := coll.GetHistory(10)
+	if len(history) != 10 {
+		t.Errorf("expected 10 entries, got %d", len(history))
+	}
+
+	history = coll.GetHistory(5)
+	if len(history) != 5 {
+		t.Errorf("expected 5 entries, got %d", len(history))
+	}
+
+	// Should default to historySize (10)
+	history = coll.GetHistory(0)
+	if len(history) != 10 {
+		t.Errorf("expected default limit to be historySize (10), got %d", len(history))
+	}
+
+	// Should not crash on large limit, just return what it has
+	history = coll.GetHistory(100)
+	if len(history) != 10 {
+		t.Errorf("expected 10 entries even with limit 100, got %d", len(history))
+	}
+}