Stream native imports before full source verification with durable send seals

tests/headless/renderer.integration.mjs

@@ -111,6 +111,8 @@ try {
     // Count actual scene rebuilds in the isolated fixture copy; production has no diagnostic global.
     const sceneFile=join(directory,'src/lib/canvas-bindings/scene-projection.ts'),sceneSource=await readFile(sceneFile,'utf8');assert.ok(sceneSource.includes('const result=patched??projectCanvas('));await writeFile(sceneFile,sceneSource.replace('const result=patched??projectCanvas(',`const host=globalThis as typeof globalThis&{__fixtureSceneBuilds?:number};if(!patched)host.__fixtureSceneBuilds=(host.__fixtureSceneBuilds??0)+1;const result=patched??projectCanvas(`));
     const projectionFile=join(directory,'src/lib/canvas-bindings/projection.ts'),projectionSource=await readFile(projectionFile,'utf8');assert.ok(projectionSource.includes(':ProjectionNode{'));await writeFile(projectionFile,projectionSource.replace(':ProjectionNode{',`:ProjectionNode{const host=globalThis as typeof globalThis&{__fixtureProjectedNodes?:Record<string,number>};host.__fixtureProjectedNodes??={};host.__fixtureProjectedNodes[element.id]=(host.__fixtureProjectedNodes[element.id]??0)+1;`));
+    // Delay only the full-source Worker result in the isolated copy, independently of parser I/O.
+    const digestFile=join(directory,'src/lib/canvas-runtime/browser-digests.ts'),digestSource=await readFile(digestFile,'utf8');assert.ok(digestSource.includes('else finish(undefined,value.sha256);'));await writeFile(digestFile,digestSource.replace('else finish(undefined,value.sha256);',`else {const host=globalThis as typeof globalThis&{__fixtureDigestGate?:Promise<void>;__fixtureDigestWaiting?:boolean};if(host.__fixtureDigestGate){host.__fixtureDigestWaiting=true;void host.__fixtureDigestGate.then(()=>finish(undefined,value.sha256));}else finish(undefined,value.sha256);}`));
     // A fixture Host action exercises the public engine API; no debug entry point ships in the app.
     const importsFile=join(directory,'src/components/canvas/headless-imports.tsx'),importsSource=await readFile(importsFile,'utf8');
     await writeFile(importsFile,importsSource.replace('import { useCallback,','import { useEffect, useCallback,').replace('  const subscribe =',`  useEffect(()=>{const host=globalThis as typeof globalThis&{__headlessCollectSources?:()=>ReturnType<ProjectEngine['collectImportSources']>;__fixtureActualEngine?:ProjectEngine};const collect=()=>engine.collectImportSources({retentionMs:0});host.__headlessCollectSources=collect;host.__fixtureActualEngine=engine;return()=>{if(host.__headlessCollectSources===collect)delete host.__headlessCollectSources;};},[engine]);
@@ -133,7 +135,7 @@ try {
   socket.onmessage = event => { const message = JSON.parse(event.data); if(message.method==='Runtime.consoleAPICalled' && message.params.type==='error') console.log('BROWSER ERROR',message.params.args.map(arg=>arg.description??arg.value).join(' ')); if (message.method === 'Runtime.exceptionThrown') exceptions.push(message.params.exceptionDetails.exception?.description ?? message.params.exceptionDetails.text); if (!message.id) return; const p = pending.get(message.id); pending.delete(message.id); message.error ? p.reject(new Error(JSON.stringify(message.error))) : p.resolve(message.result); };
   const call = (method, params = {}) => new Promise((resolve, reject) => { const id = ++serial; pending.set(id, { resolve, reject }); socket.send(JSON.stringify({ id, method, params })); });
   const evaluate = async expression => { const r = await call('Runtime.evaluate', { expression, returnByValue: true, awaitPromise: true }); if (r.exceptionDetails) throw new Error(r.exceptionDetails.exception?.description ?? r.exceptionDetails.text); return r.result?.value; };
-  async function until(expression, label) { for (let i = 0; i < 200; i++) { if (exceptions.length) throw new Error(exceptions.join('\n')); if (await evaluate(expression)) return; await pause(100); } throw new Error(label + '\n' + await evaluate('document.body.innerText') + '\n' + logs); }
+  async function until(expression, label) { for (let i = 0; i < 200; i++) { if (exceptions.length) throw new Error(exceptions.join('\n')); if (await evaluate(expression)) return; await pause(100); } throw new Error(label + '\n' + JSON.stringify(await evaluate(`[...window.__fixtureActualEngine?.imports.getJobs().values()??[]].map(job=>({id:job.id,status:job.status,error:job.error,sourceError:job.source?.integrityError}))`)) + '\n' + await evaluate('document.body.innerText') + '\n' + logs); }
   await call('Runtime.enable'); await call('Emulation.setDeviceMetricsOverride', { width: 1280, height: 900, deviceScaleFactor: 1, mobile: false });
   const route = `http://127.0.0.1:${port}/dashboard/${workspace}/${root}`;
   await call('Page.navigate', { url: route });
@@ -474,11 +476,12 @@ try {
   for(let i=0;i<200&&![...documents.get(other).elements.values()].some(e=>e.data.title==='Document imported image');i++)await pause(20);assert.equal(documents.get(other).elements.size,beforeImageImport+1);const importedImage=[...documents.get(other).elements.values()].find(e=>e.data.title==='Document imported image');assert.equal(importedImage.data.assetId,importedAssetId);assert.notEqual(importedImage.data.src,'https://untrusted.test/stale');assert.equal(uploads.length,uploadsBeforeDocumentImage);
   await call('Page.reload');await until(`document.querySelector('[aria-label="画布导入"]')?.textContent.includes('image-document.json')&&!!document.querySelector('.react-flow__node[data-id="${importedImage.id}"] img')`,'authorized document image did not recover after reload');assert.equal(uploads.length,uploadsBeforeDocumentImage);
   console.log('PASS document image import reauthorizes existing resource, ignores stale URL and recovers without reuploading');
+  await evaluate(`(()=>{window.__fixtureDigestWaiting=false;window.__fixtureDigestGate=new Promise(resolve=>{window.__releaseSourceDigest=()=>{delete window.__fixtureDigestGate;resolve();};});})()`);
   await evaluate(`(()=>{const engine=window.__fixtureActualEngine,view=[...engine.sessions.getSnapshot().views.values()][0];let release;const gate=new Promise(resolve=>release=resolve);window.__releaseDocumentTail=()=>{window.__documentTailReleased=true;release();};class GatedDocument extends Blob{slice(start=0,end=this.size,...rest){const part=super.slice(start,end,...rest);if(end-start!==16384||start<32768||window.__documentTailReleased)return part;return{async arrayBuffer(){window.__documentTailWaiting=true;await gate;return part.arrayBuffer();}};}}const element=(id,text)=>({id,incarnation:1,structure:'node',ownerCanvasId:'stream-source',componentId:'text',dataVersion:1,data:{title:id,text},geometry:{x:0,y:0,width:260,height:200,rotation:0}}),input={documentFormatVersion:1,projectId:'stream-source',canvases:[{id:'stream-source',parent:null}],elements:[element('dom-prefix','Document progressive prefix'),element('dom-tail','x'.repeat(100000))],tombstones:{}};window.__streamDocumentJob=engine.imports.startDocument(new GatedDocument([JSON.stringify(input)]),view.canvasId);})()`);
   await until(`(()=>{const job=window.__fixtureActualEngine.imports.getJobs().get(window.__streamDocumentJob),id=job.stableIds['element:dom-prefix'];window.__streamDocumentFirst=id;return window.__documentTailWaiting&&!window.__documentTailReleased&&!!document.querySelector('.react-flow__node[data-id="'+id+'"] textarea');})()`,'document prefix did not display while parser tail was blocked');
   await evaluate(`(()=>{const node=document.querySelector('.react-flow__node[data-id="'+window.__streamDocumentFirst+'"]');node.dispatchEvent(new MouseEvent('click',{bubbles:true}));node.querySelector('[aria-label^="单击选中"]').dispatchEvent(new MouseEvent('dblclick',{bubbles:true}));})()`);await until(`document.activeElement===document.querySelector('.react-flow__node[data-id="'+window.__streamDocumentFirst+'"] textarea')&&!document.activeElement.readOnly`,'progressive document prefix did not accept editing');await call('Input.insertText',{text:' edited before tail'});assert.equal(await evaluate(`window.__fixtureActualEngine.getSnapshot().document.elements.get(window.__streamDocumentFirst).data.text.endsWith('edited before tail')`),true);assert.equal(await evaluate('window.__documentTailReleased===true'),false);await evaluate('window.__releaseDocumentTail()');
-  await until(`window.__fixtureActualEngine.imports.getJobs().get(window.__streamDocumentJob).status==='completed'`,'streaming document did not complete after releasing tail');const streamFirstId=await evaluate('window.__streamDocumentFirst');for(let i=0;i<200&&!documents.get(other).elements.get(streamFirstId)?.data.text.endsWith('edited before tail');i++)await pause(20);assert.ok(documents.get(other).elements.get(streamFirstId).data.text.endsWith('edited before tail'));assert.equal(await evaluate(`window.__fixtureActualEngine.imports.getJobs().get(window.__streamDocumentJob).committedSourceKeys.length`),2);
-  console.log('PASS actual document prefix displays and accepts native text edits while its parser tail is blocked, then completion preserves those edits');
+  await until(`window.__fixtureActualEngine.imports.getJobs().get(window.__streamDocumentJob).status==='completed'&&window.__fixtureDigestWaiting`,'streaming document did not complete parsing while full SHA was blocked');const streamFirstId=await evaluate('window.__streamDocumentFirst');assert.equal(await evaluate(`window.__fixtureActualEngine.imports.getJobs().get(window.__streamDocumentJob).source.sha256`),undefined);assert.equal(documents.get(other).elements.has(streamFirstId),false,'unverified source reached backend');await evaluate('window.__releaseSourceDigest()');for(let i=0;i<200&&!documents.get(other).elements.get(streamFirstId)?.data.text.endsWith('edited before tail');i++)await pause(20);assert.ok(documents.get(other).elements.get(streamFirstId).data.text.endsWith('edited before tail'));assert.equal(await evaluate(`window.__fixtureActualEngine.imports.getJobs().get(window.__streamDocumentJob).committedSourceKeys.length`),2);
+  console.log('PASS actual document prefix displays and accepts native text edits before full SHA; parser completion cannot sync until verification, then preserves those edits');