feat: PDF自绘阅读器+抓手(空格按住/H切换/顶部按钮)+缩放适应宽度(pdf.js worker注入bundle零服务端依赖)

04_test/bundle-eval.cjs

@@ -29,6 +29,8 @@ const sandbox = { self: null,
   localStorage: { getItem(){ return null }, setItem(){}, removeItem(){} },
   atob: (s) => Buffer.from(s, 'base64').toString('binary'), btoa: (s) => Buffer.from(s, 'binary').toString('base64'),
   CustomEvent: class { constructor(t, o){ this.type = t; this.detail = o && o.detail } },
+  DOMMatrix: class {}, Path2D: class {}, ImageData: class {}, TextMetrics: class {}, OffscreenCanvas: class { getContext(){ return null } }, structuredClone: (v) => JSON.parse(JSON.stringify(v)),
+  DOMException: class extends Error { constructor(m, n){ super(m); this.name = n } }, AbortController: class { constructor(){ this.signal = {} } abort(){} }, queueMicrotask: (f) => Promise.resolve().then(f), ImageBitmap: class {}, MessageChannel: class { constructor(){ this.port1 = {}; this.port2 = {} } }, EventTarget: class { addEventListener(){} removeEventListener(){} dispatchEvent(){ return true } },
   ResizeObserver: class { observe(){} disconnect(){} },
   MutationObserver: class { observe(){} disconnect(){} },
   navigator: { userAgent: "bundle-eval/1.0", platform: "Win32" }, location: { protocol: "http:", host: "127.0.0.1:3080" },

04_test/fixture.pdf

@@ -0,0 +1,32 @@
+%PDF-1.4
+1 0 obj
+<< /Type /Catalog /Pages 2 0 R >>
+endobj
+2 0 obj
+<< /Type /Pages /Kids [3 0 R] /Count 1 >>
+endobj
+3 0 obj
+<< /Type /Page /Parent 2 0 R /MediaBox [0 0 595 842] /Contents 4 0 R /Resources << /Font << /F1 5 0 R >> >> >>
+endobj
+4 0 obj
+<< /Length 74 >>
+stream
+BT /F1 24 Tf 72 770 Td (Hello Worktable PDF) Tj ET
+endstream
+endobj
+5 0 obj
+<< /Type /Font /Subtype /Type1 /BaseFont /Helvetica >>
+endobj
+xref
+0 6
+0000000000 65535 f 
+0000000009 00000 n 
+0000000058 00000 n 
+0000000115 00000 n 
+0000000241 00000 n 
+0000000341 00000 n 
+trailer
+<< /Size 6 /Root 1 0 R >>
+startxref
+411
+%%EOF

04_test/functional-diag.cjs

@@ -272,7 +272,58 @@ const sleep = (ms) => new Promise((r) => setTimeout(r, ms));
   })()`);
   console.log('STEP11:', JSON.stringify(step11));
 
-  const errors = events.filter((e) =>
+  // PDF 阅读器：自绘渲染 + 抓手（H 切换/空格临时/拖拽平移）+ 缩放
+  const step12 = await evaluate(`(async function(){
+    var out={};
+    try{
+      var st=window.__dshWorktable.splitStore;
+      st.open({id:'t-pdf',title:'pdf',top:null,main:[{id:'q1',title:'q',min:200,content:null}],chatWidth:{default:320,min:240,max:600}});
+      await new Promise(function(r){setTimeout(r,400)});
+      st.openTab('main',0,{kind:'file',path:'E:\\\\AI_Workspace\\\\DeepseekHarness\\\\Projects\\\\dsh-worktable\\\\04_test\\\\fixture.pdf'});
+      await new Promise(function(r){setTimeout(r,6500)});
+      out.bar=!!document.querySelector('.dsh-wt_pdfBar');
+      out.pages=document.querySelectorAll('.dsh-wt_pdfPage canvas').length;
+      out.iframeFallback=!!document.querySelector('.dsh-wt_paneFrame');
+      var c=document.querySelector('.dsh-wt_pdfPage canvas');
+      out.canvasW=c?c.width:0;
+      var pdfEl=document.querySelector('.dsh-wt_pdf');
+      if(pdfEl){
+        // 空格临时抓手
+        window.dispatchEvent(new KeyboardEvent('keydown',{key:' ',code:'Space',bubbles:true}));
+        await new Promise(function(r){setTimeout(r,200)});
+        out.panClassAfterSpace=pdfEl.className.indexOf('dsh-wt_pdfPan')>=0;
+        window.dispatchEvent(new KeyboardEvent('keyup',{key:' ',code:'Space',bubbles:true}));
+        await new Promise(function(r){setTimeout(r,200)});
+        out.panClassAfterSpaceUp=pdfEl.className.indexOf('dsh-wt_pdfPan')>=0;
+        // H 常开抓手
+        window.dispatchEvent(new KeyboardEvent('keydown',{key:'h',code:'KeyH',bubbles:true}));
+        await new Promise(function(r){setTimeout(r,200)});
+        out.panClassAfterH=pdfEl.className.indexOf('dsh-wt_pdfPan')>=0;
+        // 放大到内容溢出（可滚动；btns 顺序：抓手/缩小/放大/适应宽度）
+        var btns=document.querySelectorAll('.dsh-wt_pdfBtn');
+        for(var z=0;z<6 && btns[2];z++){ btns[2].click(); }
+        await new Promise(function(r){setTimeout(r,1200)});
+        out.pct=document.querySelector('.dsh-wt_pdfPct')?document.querySelector('.dsh-wt_pdfPct').textContent:null;
+        out.scrollable=pdfEl.scrollHeight>pdfEl.clientHeight;
+        var r0=pdfEl.getBoundingClientRect();
+        var x=r0.left+r0.width/2, y=r0.top+r0.height/2;
+        pdfEl.dispatchEvent(new PointerEvent('pointerdown',{clientX:x,clientY:y,bubbles:true,pointerId:1}));
+        pdfEl.dispatchEvent(new PointerEvent('pointermove',{clientX:x,clientY:y-140,bubbles:true,pointerId:1}));
+        pdfEl.dispatchEvent(new PointerEvent('pointerup',{clientX:x,clientY:y-140,bubbles:true,pointerId:1}));
+        await new Promise(function(r){setTimeout(r,300)});
+        out.scrollTopAfterDrag=pdfEl.scrollTop;
+        window.dispatchEvent(new KeyboardEvent('keydown',{key:'h',code:'KeyH',bubbles:true}));
+        await new Promise(function(r){setTimeout(r,200)});
+        out.panClassAfterH2=pdfEl.className.indexOf('dsh-wt_pdfPan')>=0;
+      }
+      st.close();
+    }catch(err){ out.err=String(err) }
+    return JSON.stringify(out);
+  })()`);
+  console.log('STEP12:', JSON.stringify(step12));
+
+  const errors = events.filter((e) => {
+  }).filter((e) =>
     e.method === 'Runtime.exceptionThrown' ||
     (e.method === 'Log.entryAdded' && e.params.entry.level === 'error') ||
     (e.method === 'Runtime.consoleAPICalled' && e.params.type === 'error'),

04_test/make-fixture.cjs

@@ -0,0 +1,21 @@
+// 生成最小合法 PDF 测试夹具（单页 Hello，带正确 xref 偏移）
+const fs = require('fs');
+const objects = [
+  '1 0 obj\n<< /Type /Catalog /Pages 2 0 R >>\nendobj\n',
+  '2 0 obj\n<< /Type /Pages /Kids [3 0 R] /Count 1 >>\nendobj\n',
+  '3 0 obj\n<< /Type /Page /Parent 2 0 R /MediaBox [0 0 595 842] /Contents 4 0 R /Resources << /Font << /F1 5 0 R >> >> >>\nendobj\n',
+  '4 0 obj\n<< /Length 74 >>\nstream\nBT /F1 24 Tf 72 770 Td (Hello Worktable PDF) Tj ET\nendstream\nendobj\n',
+  '5 0 obj\n<< /Type /Font /Subtype /Type1 /BaseFont /Helvetica >>\nendobj\n',
+];
+let body = '%PDF-1.4\n';
+const offsets = [0];
+for (const o of objects) { offsets.push(body.length); body += o; }
+const xrefPos = body.length;
+body += 'xref\n0 ' + (objects.length + 1) + '\n';
+body += '0000000000 65535 f \n';
+for (let i = 1; i <= objects.length; i++) body += String(offsets[i]).padStart(10, '0') + ' 00000 n \n';
+body += 'trailer\n<< /Size ' + (objects.length + 1) + ' /Root 1 0 R >>\n';
+body += 'startxref\n' + xrefPos + '\n%%EOF\n';
+const out = 'E:/AI_Workspace/DeepseekHarness/Projects/dsh-worktable/04_test/fixture.pdf';
+fs.writeFileSync(out, body, 'latin1');
+console.log('fixture written', fs.statSync(out).size, 'bytes');