refactor(sdk): 审计 P2 卫生项清理——请求层收敛与死代码清除

- 删除旧 sdk/request.ts，全部 import 收敛到 sdk/common/request.ts（85 文件）
- 注释死代码 630+ 行、裸 console.log 吞错 6 处、未使用符号 26 处清零
- bili 状态校验去重；utils DNS 预解析失败日志改 warn 带上下文
- CODE-AUDIT.md：第四节 P2 清理记录 + 第八节线索逐条复核结论（kw/kg/tx/wy parse 骨架相似实质各异，不抽公共层）

sdk/kw/lyric.ts

@@ -1,71 +1,7 @@
-import { httpFetch } from '../request.ts'
+import { httpFetch } from '../common/request.ts'
 import { decodeLyric, lrcTools } from './util.ts'
 import { decodeName } from '../index.ts'
 
-/*
-export default {
-  formatTime(time) {
-    let m = parseInt(time / 60)
-    let s = (time % 60).toFixed(2)
-    return (m < 10 ? '0' + m : m) + ':' + (s < 10 ? '0' + s : s)
-  },
-  sortLrcArr(arr) {
-    const lrcSet = new Set()
-    let lrc = []
-    let lrcT = []
-
-    for (const item of arr) {
-      if (lrcSet.has(item.time)) {
-        const tItem = lrc.pop()
-        tItem.time = lrc[lrc.length - 1].time
-        lrcT.push(tItem)
-        lrc.push(item)
-      } else {
-        lrc.push(item)
-        lrcSet.add(item.time)
-      }
-    }
-
-    if (lrcT.length && lrc.length > lrcT.length) {
-      const tItem = lrc.pop()
-      tItem.time = lrc[lrc.length - 1].time
-      lrcT.push(tItem)
-    }
-
-    return {
-      lrc,
-      lrcT,
-    }
-  },
-  transformLrc(songinfo, lrclist) {
-    return `[ti:${songinfo.songName}]\n[ar:${songinfo.artist}]\n[al:${songinfo.album}]\n[by:]\n[offset:0]\n${lrclist ? lrclist.map(l => `[${this.formatTime(l.time)}]${l.lineLyric}\n`).join('') : '暂无歌词'}`
-  },
-  getLyric(songId) {
-    const requestObj = httpFetch(`http://m.kuwo.cn/newh5/singles/songinfoandlrc?musicId=${songId}`)
-    requestObj.promise = requestObj.promise.then(({ body }) => {
-      // console.log(body)
-      if (!body.data?.lrclist?.length) return Promise.reject(new Error('Get lyric failed'))
-      let lrcInfo
-      try {
-        lrcInfo = this.sortLrcArr(body.data.lrclist)
-      } catch {
-        return Promise.reject(new Error('Get lyric failed'))
-      }
-      // console.log(body.data.lrclist)
-      // console.log(lrcInfo.lrc, lrcInfo.lrcT)
-      // console.log({
-      //   lyric: decodeName(this.transformLrc(body.data.songinfo, lrc)),
-      //   tlyric: decodeName(this.transformLrc(body.data.songinfo, lrcT)),
-      // })
-      return {
-        lyric: decodeName(this.transformLrc(body.data.songinfo, lrcInfo.lrc)),
-        tlyric: lrcInfo.lrcT.length ? decodeName(this.transformLrc(body.data.songinfo, lrcInfo.lrcT)) : '',
-      }
-    })
-    return requestObj
-  },
-}
- */
 
 const buf_key = Buffer.from('yeelion')
 const buf_key_len = buf_key.length
@@ -87,65 +23,11 @@ const buildParams = (id: string, isGetLyricx: boolean): string => {
   return Buffer.from(output).toString('base64')
 }
 
-// console.log(buildParams('207527604', false))
-// console.log(buildParams('207527604', true))
 
 const timeExp = /^\[([\d:.]*)\]{1}/g
 const existTimeExp = /\[\d{1,2}:.*\d{1,4}\]/
 const lyricxTag = /^<-?\d+,-?\d+>/
 export default {
-  /* sortLrcArr(arr) {
-    const lrcSet = new Set()
-    let lrc = []
-    let lrcT = []
-    let markIndex = []
-    for (const item of arr) {
-      if (lrcSet.has(item.time)) {
-        if (lrc.length < 2) continue
-        const index = lrc.findIndex(l => l.time == item.time)
-        markIndex.push(index)
-        if (index == lrc.length - 1) {
-          lrcT.push({ ...lrc[index], time: item.time })
-          lrc.push(item)
-        } else {
-          lrcT.push({ ...lrc[index], time: lrc[index + 1].time })
-          if (item.text) {
-            //   const lastIndex = lrc.length - 1
-            //   markIndex.push(lastIndex)
-            //   lrcT.push({ ...lrc[lastIndex], time: lrc[lastIndex - 1].time })
-            lrc.push(item)
-          }
-        }
-      } else {
-        lrc.push(item)
-        lrcSet.add(item.time)
-      }
-    }
-
-    // console.log(markIndex)
-    markIndex = Array.from(new Set(markIndex))
-    for (let index = markIndex.length - 1; index >= 0; index--) {
-      lrc.splice(markIndex[index], 1)
-    }
-
-    // if (lrcT.length) {
-    //   if (lrc.length * 0.4 < lrcT.length) { // 翻译数量需大于歌词数量的0.4倍，否则认为没有翻译
-    //     const tItem = lrc.pop()
-    //     tItem.time = lrc[lrc.length - 1].time
-    //     lrcT.push(tItem)
-    //   } else {
-    //     lrc = arr
-    //     lrcT = []
-    //   }
-    // }
-
-    console.log(lrc, lrcT)
-
-    return {
-      lrc,
-      lrcT,
-    }
-  }, */
   sortLrcArr(arr) {
     const lrcSet = new Set()
     let lrc: any[] = []
@@ -211,48 +93,17 @@ export default {
       tlyric: lrcInfo.lrcT.length ? decodeName(this.transformLrc(tags, lrcInfo.lrcT)) : '',
     }
   },
-  // getLyric2(musicInfo, isGetLyricx = true) {
-  //   const requestObj = httpFetch(`http://newlyric.kuwo.cn/newlyric.lrc?${buildParams(musicInfo.songmid, isGetLyricx)}`)
-  //   requestObj.promise = requestObj.promise.then(({ statusCode, body, raw }) => {
-  //     if (statusCode != 200) return Promise.reject(new Error(JSON.stringify(body)))
-  //     return decodeLyric({ lrcBase64: raw.toString('base64'), isGetLyricx }).then(base64Data => {
-  //       let lrcInfo
-  //       console.log(Buffer.from(base64Data, 'base64').toString())
-  //       try {
-  //         lrcInfo = this.parseLrc(Buffer.from(base64Data, 'base64').toString())
-  //       } catch {
-  //         return Promise.reject(new Error('Get lyric failed'))
-  //       }
-  //       if (lrcInfo.tlyric) lrcInfo.tlyric = lrcInfo.tlyric.replace(lrcTools.rxps.wordTimeAll, '')
-  //       lrcInfo.yrc = lrcTools.parse(lrcInfo.lyric)
-  //       // console.log(lrcInfo.lyric)
-  //       // console.log(lrcInfo.tlyric)
-  //       // console.log(lrcInfo.yrc)
-  //       // console.log(JSON.stringify(lrcInfo))
-  //     })
-  //   })
-  //   return requestObj
-  // },
   getLyric(musicInfo, isGetLyricx = true) {
-    // this.getLyric2(musicInfo)
     const requestObj = httpFetch(`http://newlyric.kuwo.cn/newlyric.lrc?${buildParams(musicInfo.songmid, isGetLyricx)}`)
     requestObj.promise = requestObj.promise.then(({ statusCode, body, raw }) => {
       if (statusCode != 200) return Promise.reject(new Error(JSON.stringify(body)))
       return decodeLyric({ lrcBase64: raw!.toString('base64'), isGetLyricx }).then(base64Data => {
-        // let lrcInfo
-        // try {
-        //   lrcInfo = this.parseLrc(Buffer.from(base64Data, 'base64').toString())
-        // } catch {
-        //   return Promise.reject(new Error('Get lyric failed'))
-        // }
         let lrcInfo
-        // console.log(Buffer.from(base64Data, 'base64').toString())
         try {
           lrcInfo = this.parseLrc(Buffer.from(base64Data, 'base64').toString())
         } catch (err) {
           return Promise.reject(new Error('Get lyric failed'))
         }
-        // console.log(lrcInfo)
         if (lrcInfo.tlyric) lrcInfo.tlyric = lrcInfo.tlyric.replace(lrcTools.rxps.wordTimeAll, '')
         try {
           lrcInfo.yrc = lrcTools.parse(lrcInfo.lyric)
@@ -261,7 +112,6 @@ export default {
         }
         lrcInfo.lyric = lrcInfo.lyric.replace(lrcTools.rxps.wordTimeAll, '')
         if (!existTimeExp.test(lrcInfo.lyric)) return Promise.reject(new Error('Get lyric failed'))
-        // console.log(lrcInfo)
         return lrcInfo
       })
     })