fix(desktop): retain cold-start budget after runtime installation

apps/desktop/src/lib/with-timeout.test.ts

@@ -3,6 +3,25 @@ import { describe, expect, it, vi } from 'vitest'
 import { withBootstrapAwareTimeout, withTimeout } from './with-timeout'
 
 describe('withTimeout', () => {
+  it('allows a full cold start when installation finishes near a deadline', async () => {
+    vi.useFakeTimers()
+    try {
+      let active = true
+      let finish!: (value: string) => void
+      const connection = new Promise<string>(resolve => {
+        finish = resolve
+      })
+      const result = withBootstrapAwareTimeout(connection, 45_000, 'timeout', async () => ({ active }))
+      await vi.advanceTimersByTimeAsync(75_000)
+      active = false
+      await vi.advanceTimersByTimeAsync(25_000)
+      finish('connected')
+      await expect(result).resolves.toBe('connected')
+    } finally {
+      vi.useRealTimers()
+    }
+  })
+
   it.each([{ active: true }, { setupChoice: { active: true } }])(
     'waits beyond cold boot during setup: %j',
     async state => {