backend-infra-engineer: Release v0.3.9-hotfix7 snapshot

test/e2e/dungeon_object_drawing_test.h

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+#ifndef YAZE_TEST_E2E_DUNGEON_OBJECT_DRAWING_TEST_H
+#define YAZE_TEST_E2E_DUNGEON_OBJECT_DRAWING_TEST_H
+
+#include "imgui_test_engine/imgui_te_context.h"
+
+/**
+ * @file dungeon_object_drawing_test.h
+ * @brief E2E tests for dungeon object drawing and manipulation
+ *
+ * Tests the object drawing system in the dungeon editor:
+ * - Basic object placement
+ * - Multi-layer object placement (BG1, BG2, BG3)
+ * - Object deletion
+ * - Object repositioning via drag
+ *
+ * Requires:
+ * - ROM file for testing (zelda3.sfc)
+ * - GUI test mode (--ui flag)
+ */
+
+namespace yaze {
+namespace test {
+
+/**
+ * @brief Test basic object placement in a dungeon room
+ *
+ * Steps:
+ * 1. Load ROM and open dungeon editor
+ * 2. Open a room card
+ * 3. Open object editor panel
+ * 4. Select an object from the object selector
+ * 5. Click on canvas to place the object
+ * 6. Verify the object appears in the room's object list
+ */
+void E2ETest_DungeonObjectDrawing_BasicPlacement(ImGuiTestContext* ctx);
+
+/**
+ * @brief Test placing objects on multiple background layers
+ *
+ * Steps:
+ * 1. Load ROM and open dungeon editor
+ * 2. Open a room card
+ * 3. Place objects on BG1, BG2, and BG3 layers
+ * 4. Toggle layer visibility
+ * 5. Verify objects appear/disappear based on layer visibility
+ */
+void E2ETest_DungeonObjectDrawing_MultiLayerObjects(ImGuiTestContext* ctx);
+
+/**
+ * @brief Test deleting objects from a dungeon room
+ *
+ * Steps:
+ * 1. Load ROM and open dungeon editor
+ * 2. Open a room with existing objects
+ * 3. Select an object on the canvas
+ * 4. Delete the object using the Delete key
+ * 5. Verify the object is removed from the room's object list
+ */
+void E2ETest_DungeonObjectDrawing_ObjectDeletion(ImGuiTestContext* ctx);
+
+/**
+ * @brief Test repositioning objects via drag operation
+ *
+ * Steps:
+ * 1. Load ROM and open dungeon editor
+ * 2. Open a room with existing objects
+ * 3. Click and drag an object to a new position
+ * 4. Release the mouse button
+ * 5. Verify the object's position has changed
+ */
+void E2ETest_DungeonObjectDrawing_ObjectRepositioning(ImGuiTestContext* ctx);
+
+}  // namespace test
+}  // namespace yaze
+
+#endif  // YAZE_TEST_E2E_DUNGEON_OBJECT_DRAWING_TEST_H