Add policy-bound encrypted agent session restoration and audit traces

apps/browser/diagnostics.cjs

@@ -16,6 +16,11 @@ const components=new Set(['browser','ipc','agent','management','navigation','net
 for(const operation of ['history:list','history:go','window:state','window:control'])operations.add(operation);
 names.add('browser.vault');
 for(const operation of ['vault:status','vault:list','vault:fill','vault.inventory.inspect','vault.fill.visual','vault.fill.native'])operations.add(operation);
+// Session collection stages use fixed identifiers; names and URLs are never attributes.
+names.add('browser.session');
+components.add('sessions');
+for(const operation of ['sessions:save','sessions:list','sessions:restore','sessions.inspect','sessions.load','sessions.list','sessions.save','sessions.restore','sessions.authorize','sessions.preflight','sessions.native','sessions.rollback'])operations.add(operation);
+for(const operation of ['audit.serialize','audit.encrypt','audit.write','audit.fsync','audit.commit'])operations.add(operation);
 const decisions=new Set(['allow','block','deny','unknown']),statuses=new Set(['ok','error','cancelled','timeout']);
 const requestTypes=new Set(['mainFrame','subFrame','stylesheet','script','image','font','object','xhr','ping','cspReport','media','webSocket','other']);
 for(const name of ['browser.upload.lease','browser.upload.part','browser.upload.release','browser.upload.fault'])names.add(name);
@@ -64,6 +69,11 @@ function createDiagnostics(){const storage=new AsyncLocalStorage();let generatio
  async function span(name,input,fn){if(typeof fn!=='function')throw TypeError('Diagnostics operation requires a function');const current=generation;if(!current?.active||!names.has(name)||activeSpans>=128)return fn();let nativeSpan;try{const parent=storage.getStore(),context=parent?.generation===current?trace.setSpan(ROOT_CONTEXT,parent.span):ROOT_CONTEXT;nativeSpan=current.tracer.startSpan(name,{attributes:{...current.context,...attributes(input)}},context);}catch{return fn();}
   activeSpans++;const started=performance.now();let status='ok';try{const result=await storage.run({generation:current,span:nativeSpan},fn);try{nativeSpan.setStatus({code:SpanStatusCode.OK});}catch{}return result;}catch(error){status='error';try{nativeSpan.setStatus({code:SpanStatusCode.ERROR});nativeSpan.setAttribute('error.type',error instanceof TypeError?'TypeError':error instanceof RangeError?'RangeError':'Error');}catch{}throw error;}finally{activeSpans--;try{const sampled=nativeSpan.isRecording();nativeSpan.setAttribute('safetynet.status',status);nativeSpan.setAttribute('safetynet.duration.ms',Math.max(0,performance.now()-started));nativeSpan.end();if(current.active&&sampled)current.logger.emit({severityNumber:9,severityText:'INFO',body:name,attributes:{...current.context,...attributes(input),'safetynet.status':status,'safetynet.duration.ms':Math.max(0,performance.now()-started)},context:trace.setSpan(ROOT_CONTEXT,nativeSpan)});}catch{}}
  }
+ // Synchronous persistence must retain its native return/throw contract. Never
+ // wrap fsync or DPAPI in a promise merely to add diagnostic timing.
+ function spanSync(name,input,fn){if(typeof fn!=='function')throw TypeError('Diagnostics operation requires a function');const current=generation;if(!current?.active||!names.has(name)||activeSpans>=128)return fn();let nativeSpan;try{const parent=storage.getStore(),context=parent?.generation===current?trace.setSpan(ROOT_CONTEXT,parent.span):ROOT_CONTEXT;nativeSpan=current.tracer.startSpan(name,{attributes:{...current.context,...attributes(input)}},context);}catch{return fn();}
+  activeSpans++;const started=performance.now();let status='ok';try{const result=storage.run({generation:current,span:nativeSpan},fn);try{nativeSpan.setStatus({code:SpanStatusCode.OK});}catch{}return result;}catch(error){status='error';try{nativeSpan.setStatus({code:SpanStatusCode.ERROR});nativeSpan.setAttribute('error.type',error instanceof TypeError?'TypeError':error instanceof RangeError?'RangeError':'Error');}catch{}throw error;}finally{activeSpans--;try{const sampled=nativeSpan.isRecording();nativeSpan.setAttribute('safetynet.status',status);nativeSpan.setAttribute('safetynet.duration.ms',Math.max(0,performance.now()-started));nativeSpan.end();if(current.active&&sampled)current.logger.emit({severityNumber:9,severityText:'INFO',body:name,attributes:{...current.context,...attributes(input),'safetynet.status':status,'safetynet.duration.ms':Math.max(0,performance.now()-started)},context:trace.setSpan(ROOT_CONTEXT,nativeSpan)});}catch{}}
+ }
  // Durable events may be delivered by a flusher started under another event's
  // async context. Adopt only data-property IDs; never inherit that unrelated
  // parent, invoke caller getters, or allow diagnostic failure to repeat work.
@@ -84,6 +94,6 @@ function createDiagnostics(){const storage=new AsyncLocalStorage();let generatio
  }
  async function flush(){const current=generation;if(!current?.active)return;await Promise.allSettled([current.tracerProvider.forceFlush({timeoutMillis:current.config.exportTimeoutMs}),current.loggerProvider.forceFlush({timeoutMillis:current.config.exportTimeoutMs})]);}
  async function shutdown(){if(closed)return;await flush();closed=true;const current=generation;generation=null;retire(current);await Promise.allSettled([...retiring]);}
- return {configure,span,event,importStages,withCorrelation,flush,shutdown,correlation:()=>{const parent=storage.getStore();if(!parent||parent.generation!==generation||!generation?.active||!parent.span.isRecording())return {};const ids=parent.span.spanContext();return {traceId:ids.traceId,spanId:ids.spanId};},status:()=>({enabled:!!generation?.active,mode:generation?.config.mode||'operational',failedExports:generation?.failedExports||0,lifetimeFailedExports,activeSpans})};
+ return {configure,span,spanSync,event,importStages,withCorrelation,flush,shutdown,correlation:()=>{const parent=storage.getStore();if(!parent||parent.generation!==generation||!generation?.active||!parent.span.isRecording())return {};const ids=parent.span.spanContext();return {traceId:ids.traceId,spanId:ids.spanId};},status:()=>({enabled:!!generation?.active,mode:generation?.config.mode||'operational',failedExports:generation?.failedExports||0,lifetimeFailedExports,activeSpans})};
 }
 module.exports={createDiagnostics,attributes,endpointAllowed};