Harden Windows DLP enforcement and Electron runtime packaging

scripts/profile-browser-modules.mjs

@@ -0,0 +1,10 @@
+// Run with Node --cpu-prof / --heap-prof; profiles belong in ignored artifacts.
+import {createRequire} from 'node:module';
+import {performance} from 'node:perf_hooks';
+const require=createRequire(import.meta.url);
+for(const name of ['diagnostics.cjs','inspect-text-representations.cjs']){
+ const before=process.memoryUsage(),started=performance.now();
+ require('../apps/browser/'+name);
+ const after=process.memoryUsage();
+ console.log(JSON.stringify({module:name,loadMs:Number((performance.now()-started).toFixed(3)),heapDeltaBytes:after.heapUsed-before.heapUsed,rssDeltaBytes:after.rss-before.rss}));
+}