将分层反馈强化版提升为正式 main，统一协作入口并移除外部构建路径

wechat-campaign-200-r2/audio-copy.test.mjs

@@ -1,7 +1,7 @@
 import test from 'node:test';import assert from 'node:assert/strict';import fs from 'node:fs';import path from 'node:path';import {fileURLToPath} from 'node:url';import {CasualAudio,stopAudio,audioDiagnostics} from './src/audio.mjs';import {tutorials,rulesFor,playerText} from './src/copy.mjs';
 const root=path.dirname(fileURLToPath(import.meta.url));
 function setup(){const played=[],contexts=[],storage=new Map(),options=[];globalThis.wx={setInnerAudioOption:o=>options.push(o),showToast:()=>{},createInnerAudioContext:()=>{const a={stops:0,stop(){this.stops++;},play(){assert.ok(fs.existsSync(path.join(root,this.src)));played.push(this.src);},onError(fn){this.error=fn;},onPlay(fn){this.playing=fn;}};contexts.push(a);return a;}};const sound=new CasualAudio({}, {getItem:k=>storage.get(k),setItem:(k,v)=>storage.set(k,v)},'sound');return {sound,played,contexts,storage,options};}
-test('手机没有浏览器音频接口时，原生播放器仍能播放全部 36 步和六类反馈音',()=>{const h=setup();for(let step=1;step<=36;step++)h.sound.play('move',0,step);for(const kind of ['correct','error','undo','restart','complete','checkpoint'])h.sound.play(kind);assert.equal(h.played.length,42);assert.equal(h.contexts.length,4);assert.ok(h.options.every(o=>o.obeyMuteSwitch===false));assert.ok(h.contexts.every(a=>a.obeyMuteSwitch===false));});
+test('手机没有浏览器音频接口时，原生播放器仍能播放全部 36 步和六类反馈音',()=>{const h=setup();for(let step=1;step<=36;step++){h.sound.lastMove=-Infinity;h.sound.play('move',0,step);}for(const kind of ['correct','error','undo','restart','complete','checkpoint']){h.sound.stop();h.sound.play(kind);}assert.equal(h.played.length,42);assert.equal(h.contexts.length,4);assert.ok(h.options.every(o=>o.obeyMuteSwitch===false));assert.ok(h.contexts.every(a=>a.obeyMuteSwitch===false));});
 test('关闭音效停止播放；再次开启会试听并保存偏好；后台中断停止所有播放器',()=>{const h=setup();h.sound.play('move');h.sound.toggle();const count=h.played.length;h.sound.play('move');assert.equal(h.played.length,count);assert.equal(h.storage.get('sound'),'off');h.sound.toggle();assert.equal(h.played.at(-1),'audio/correct.wav');assert.equal(h.storage.get('sound'),'on');const stops=h.contexts.map(a=>a.stops);stopAudio();assert.ok(h.contexts.every((a,i)=>a.stops>stops[i]));});
 test('延迟通关音在静音或进入后台时取消，不在返回后突然播放',async()=>{const h=setup();h.sound.play('complete',.02);h.sound.toggle();await new Promise(resolve=>setTimeout(resolve,40));assert.equal(h.played.length,0);});
 test('音频错误可诊断，不再静默吞掉',()=>{const h=setup();h.sound.unlock();h.contexts[0].error({errCode:10003,errMsg:'test missing audio'});assert.equal(audioDiagnostics.lastError.errCode,10003);});