fix: 装备属性面板避让逻辑 + 多项功能更新

- item_tooltip_view.gd: 新增 avoid_rect 属性，tooltip 与装备窗口重叠时自动推到左侧
- inventory_ui.gd: 悬停装备时传入窗口矩形作为避让区域
- 包含其他累积的功能开发和测试文件

project/game_camera_test.gd

@@ -33,6 +33,35 @@ func _run() -> void:
 	_ck(camera.camera_mode == GameCamera.CameraMode.NORMAL, "starts in NORMAL mode")
 	_ck(is_equal_approx(camera.dist, 15.5), "default distance is 1550cm")
 	_ck(is_equal_approx(camera.pitch, deg_to_rad(27.0)), "default pitch is 27 degrees")
+	_ck(is_equal_approx(camera._look_target().y, actor.position.y + 1.2065217),
+		"target height follows CameraProcedure distance interpolation")
+
+	var wheel := InputEventMouseButton.new()
+	wheel.button_index = MOUSE_BUTTON_WHEEL_UP
+	wheel.factor = 1.0
+	wheel.pressed = true
+	var before_wheel: float = camera.dist
+	camera._unhandled_input(wheel)
+	camera._process(1.0 / 60.0)
+	_ck(camera.dist < before_wheel, "wheel up zooms in")
+	var after_first_wheel: float = camera.dist
+	camera._process(1.0 / 60.0)
+	_ck(camera.dist < after_first_wheel, "wheel zoom uses damped velocity")
+
+	camera._wheel_zoom_velocity_cm = 0.0
+	camera.dist = 10.0
+	camera.set_key_zoom(1)
+	camera._process(1.0 / 60.0)
+	camera.set_key_zoom(0)
+	_ck(is_equal_approx(camera.dist, 10.5),
+		"keyboard zoom applies the 40250 0.05 ratio")
+	camera.dist = camera.min_dist
+	_ck(is_equal_approx(camera._look_target().y, actor.position.y + 1.5),
+		"target height reaches face height at minimum distance")
+	camera.dist = camera.max_dist
+	_ck(is_equal_approx(camera._look_target().y, actor.position.y + 1.0),
+		"target height reaches standard height at maximum distance")
+	camera.dist = 15.5
 
 	var shot := {"x": 1000, "y": 2000, "z": 300, "distance": 500, "pitch": 40, "rot": 90,
 		"up": 0, "view": 0, "cross": 0}