chore: 基线 — 已发布壁纸现状原样入库（未做任何改动）

dist/ 为 Wallpaper Engine 网页壁纸「【崩坏：星穹铁道】昔涟」(workshopid 3604974793, version 2)，
含两套预设 xilian / kv37，总计 105.1MB。本次提交不做任何修改，仅作为后续优化的对拍基线。

dist/scripts/index.js

@@ -0,0 +1,87 @@
+import PresetStore from "./preset-store.js";
+
+import PresetController from "./preset-controller.js";
+import BackgroundController from "./background-controller.js";
+import SpineController from "./spine-controller.js";
+import AudioController from "./audio-controller.js";
+
+let presetController = new PresetController(PresetStore);
+
+let { backgroundImage, spineConfig, audioOptions } =
+  presetController.set("xilian");
+
+let backgroundController = new BackgroundController(backgroundImage);
+let spineController = new SpineController("spine-container", spineConfig);
+let audioController = new AudioController("background-music", audioOptions);
+
+let currentAudioSource = "";
+let currentAudioVolume = 0;
+
+window.addEventListener("load", function () {
+  backgroundController.setImage();
+  spineController.create();
+  audioController.play();
+});
+
+window.addEventListener("resize", () => {
+  spineController.adjustCanvas();
+});
+
+window.wallpaperRegisterListener = {
+  applyGeneralProperties: function (properties) {
+    if (properties.fps) {
+      // wallpaperSettings.fps = properties.fps;
+    }
+  },
+  applyUserProperties: function (properties) {
+    if (properties.preset) {
+      const preset = properties.preset.value;
+      let { backgroundImage, spineConfig, audioOptions } =
+        presetController.set(preset);
+      backgroundController.changeImage(backgroundImage);
+      spineController.changeConfig(spineConfig);
+      audioController.changeOptions(audioOptions);
+    }
+    if (properties.audio_file) {
+      const audio_file = properties.audio_file.value;
+      currentAudioSource = audio_file;
+      audioController.changeSource(audio_file);
+    }
+    if (properties.audio_volume) {
+      const audio_volume = properties.audio_volume.value;
+      currentAudioVolume = audio_volume;
+      audioController.changeVolume(audio_volume);
+    }
+  },
+};
+
+window.wallpaperPropertyListener = {
+  applyGeneralProperties: function (properties) {
+    if (properties.fps) {
+      // wallpaperSettings.fps = properties.fps;
+    }
+  },
+  applyUserProperties: function (properties) {
+    if (properties.preset) {
+      const preset = properties.preset.value;
+      let { backgroundImage, spineConfig, audioOptions } = presetController.set(
+        preset,
+        currentAudioSource,
+        currentAudioVolume
+      );
+      backgroundController.changeImage(backgroundImage);
+      spineController.changeConfig(spineConfig);
+      audioController.changeOptions(audioOptions);
+    }
+    if (properties.audio_file) {
+      const audio_file = properties.audio_file.value;
+      currentAudioSource = audio_file;
+      audioController.changeSource(audio_file);
+    }
+    if (properties.audio_volume) {
+      const audio_volume = properties.audio_volume.value;
+      currentAudioVolume = audio_volume;
+      audioController.changeVolume(audio_volume);
+    }
+  },
+};