Stabilize diagnostic export and preserve authorized policy continuity

tests/diagnostics.test.mjs

@@ -85,3 +85,12 @@ test('invalid persisted IDs clear unrelated parents without getters, retries or
  const count=spans(requests).length;diagnostics.configure({enabled:false});await diagnostics.withCorrelation(good,()=>diagnostics.span('browser.management',{operation:'audit.deliver'},async()=>{calls++;}));await diagnostics.flush();assert.equal(spans(requests).length,count);
  diagnostics.configure({...config(endpoint),debugSampleRate:0});await diagnostics.withCorrelation(good,()=>diagnostics.span('browser.management',{operation:'audit.deliver'},async()=>{calls++;}));await diagnostics.flush();assert.equal(spans(requests).length,count);assert.equal(calls,invalid.length+3);
 });
+
+test('compatible policy metadata updates preserve held exports and snapshot old operation context',{timeout:15000},async t=>{
+ const requests=[],held=[];let releaseHTTP=false;const server=createServer((req,res)=>{const chunks=[];req.on('data',c=>chunks.push(c));req.on('end',()=>{requests.push({path:req.url,payload:JSON.parse(Buffer.concat(chunks).toString())});if(releaseHTTP){res.setHeader('content-type','application/json');res.end('{}');}else held.push(res);});}).listen(0,'127.0.0.1');await new Promise(r=>server.once('listening',r));t.after(()=>new Promise(r=>{server.closeAllConnections();server.close(r);}));
+ const d=createDiagnostics();t.after(()=>d.shutdown());const settings=config(`http://127.0.0.1:${server.address().port}`),deviceId='00000000-0000-4000-8000-000000000001';d.configure(settings,{policyVersion:1,deviceId});await d.span('browser.request',{},async()=>{});const first=d.flush();for(let i=0;i<100&&held.length<2;i++)await delay(10);assert.equal(held.length,2);
+ let finishOld,oldEntered;const oldReady=new Promise(r=>oldEntered=r),oldGate=new Promise(r=>finishOld=r);const old=d.span('browser.navigation',{},async()=>{oldEntered();await oldGate;await d.span('browser.clipboard',{},async()=>d.event('browser.security',{}));d.spanSync('browser.policy',{},()=>{});});await oldReady;
+ assert.equal(d.canContinue(settings,{deviceId,policyVersion:2}),true);assert.equal(d.configure(settings,{deviceId,policyVersion:2}),true);assert.equal(d.status().lifetimeFailedExports,0);releaseHTTP=true;for(const res of held){res.setHeader('content-type','application/json');res.end('{}');}await first;finishOld();await old;await d.span('browser.tab',{},async()=>{});await d.span('browser.agent',{policyVersion:9},async()=>{});await d.flush();
+ const policy=row=>Number(row.attributes.find(a=>a.key==='safetynet.policy.version').value.intValue);for(const row of spans(requests)){assert.equal(policy(row),row.name==='browser.tab'?2:row.name==='browser.agent'?9:1);}for(const row of logs(requests)){const name=row.body.stringValue;assert.equal(policy(row),name==='browser.tab'?2:name==='browser.agent'?9:1);}assert.equal(d.status().lifetimeFailedExports,0);
+ for(const input of [{...settings,enabled:false},{...settings,mode:'operational'},{...settings,debugSampleRate:0},{...settings,maxQueueSize:16},{...settings,endpoint:settings.endpoint+'/other'}])assert.equal(d.canContinue(input,{deviceId,policyVersion:3}),false);assert.equal(d.canContinue(settings,{deviceId:'00000000-0000-4000-8000-000000000002',policyVersion:3}),false);
+});