music(player): 变速播放 + AB Loop

- 变速：底部 1× 圆形按钮循环切 0.5/0.75/1/1.25/1.5；preservesPitch=true（浏览器 native 保音高）；localStorage 持久化全局 - AB Loop：A B 两按钮在当前位置打点，🔁 开关；进度条上绿色高亮 A↔B 区段；timeupdate 触发 ≥B 跳回 A；切歌自动清 A/B
2026-05-10 21:40:19 +01:00
parent 5674be1cfd
commit cdbf8308d1
81 changed files with 5899 additions and 0 deletions
@@ -0,0 +1,13 @@
+<!doctype html>
+<html lang="zh-CN">
+  <head>
+    <meta charset="UTF-8" />
+    <meta name="viewport" content="width=device-width, initial-scale=1.0, user-scalable=no" />
+    <meta name="theme-color" content="#1a1a2e" />
+    <title>Karaoke 点歌单</title>
+  </head>
+  <body>
+    <div id="app"></div>
+    <script type="module" src="/src/main.ts"></script>
+  </body>
+</html>