perf: cut ControlApp re-renders and lazy-load VFX packs

Move audio scrub/volume and brush drafts off root React ticks, coalesce overlay layout IPC, cache machine fingerprint and asset URLs, share one scene overlay host, and stop idle Pixi ticker. Also harden console against EPIPE on window load failures.

Co-authored-by: Cursor <cursoragent@cursor.com>

app/main/license/machineFingerprint.test.ts

@@ -5,6 +5,7 @@ import path from 'node:path';
 import test from 'node:test';
 
 import {
+  clearMachineFingerprintMemoryCache,
   hashMachineRawId,
   machineWideIdPath,
   parseMacIOPlatformUUID,
@@ -12,6 +13,7 @@ import {
   parseWmicUuid,
   resolveMachineFingerprint,
 } from './machineFingerprint';
+import { machineFingerprintCachePath } from './paths';
 
 void test('hashMachineRawId: стабилен и не зависит от регистра GUID', () => {
   const a = hashMachineRawId('win32', 'ABCDEF00-1111-2222-3333-444455556666');
@@ -46,6 +48,7 @@ void test('parseWmicUuid', () => {
 });
 
 void test('resolveMachineFingerprint: override через DND_LICENSE_DEVICE_ID', () => {
+  clearMachineFingerprintMemoryCache();
   const id = resolveMachineFingerprint({
     platform: 'linux',
     env: { DND_LICENSE_DEVICE_ID: 'override-device-id-12345' },
@@ -54,6 +57,7 @@ void test('resolveMachineFingerprint: override через DND_LICENSE_DEVICE_ID'
 });
 
 void test('resolveMachineFingerprint: Windows MachineGuid → одинаковый hash', () => {
+  clearMachineFingerprintMemoryCache();
   const exec = () =>
     `
 HKEY_LOCAL_MACHINE\\SOFTWARE\\Microsoft\\Cryptography
@@ -64,6 +68,7 @@ HKEY_LOCAL_MACHINE\\SOFTWARE\\Microsoft\\Cryptography
     env: {},
     execFileSync: exec as never,
   });
+  clearMachineFingerprintMemoryCache();
   const b = resolveMachineFingerprint({
     platform: 'win32',
     env: {},
@@ -74,6 +79,7 @@ HKEY_LOCAL_MACHINE\\SOFTWARE\\Microsoft\\Cryptography
 });
 
 void test('resolveMachineFingerprint: Linux /etc/machine-id', () => {
+  clearMachineFingerprintMemoryCache();
   const id = resolveMachineFingerprint({
     platform: 'linux',
     env: {},
@@ -86,6 +92,7 @@ void test('resolveMachineFingerprint: Linux /etc/machine-id', () => {
 });
 
 void test('resolveMachineFingerprint: fallback в machine-wide путь', () => {
+  clearMachineFingerprintMemoryCache();
   const tmp = fs.mkdtempSync(path.join(os.tmpdir(), 'machine-fp-'));
   const env = { PROGRAMDATA: tmp };
   const p = machineWideIdPath('win32', env);
@@ -96,6 +103,7 @@ void test('resolveMachineFingerprint: fallback в machine-wide путь', () =>
       throw new Error('no reg');
     },
   });
+  clearMachineFingerprintMemoryCache();
   const id2 = resolveMachineFingerprint({
     platform: 'win32',
     env,
@@ -107,3 +115,37 @@ void test('resolveMachineFingerprint: fallback в machine-wide путь', () =>
   assert.ok(fs.existsSync(p));
   fs.rmSync(tmp, { recursive: true, force: true });
 });
+
+void test('resolveMachineFingerprint: disk cache — без повторного exec', () => {
+  clearMachineFingerprintMemoryCache();
+  const tmp = fs.mkdtempSync(path.join(os.tmpdir(), 'machine-fp-cache-'));
+  const expected = hashMachineRawId('win32', 'A1B2C3D4-E5F6-7890-ABCD-EF1234567890');
+  let execCalls = 0;
+  const exec = () => {
+    execCalls += 1;
+    return `
+HKEY_LOCAL_MACHINE\\SOFTWARE\\Microsoft\\Cryptography
+    MachineGuid    REG_SZ    A1B2C3D4-E5F6-7890-ABCD-EF1234567890
+`;
+  };
+  const a = resolveMachineFingerprint({
+    platform: 'win32',
+    env: {},
+    userData: tmp,
+    execFileSync: exec as never,
+  });
+  assert.equal(a, expected);
+  assert.equal(execCalls, 1);
+  assert.ok(fs.existsSync(machineFingerprintCachePath(tmp)));
+
+  clearMachineFingerprintMemoryCache();
+  const b = resolveMachineFingerprint({
+    platform: 'win32',
+    env: {},
+    userData: tmp,
+    execFileSync: exec as never,
+  });
+  assert.equal(b, expected);
+  assert.equal(execCalls, 1, 'второй вызов читает disk cache, без reg/wmic');
+  fs.rmSync(tmp, { recursive: true, force: true });
+});