feat: expand secure assistant workflows

Harden runtime execution and add local knowledge, Smart Heartbeat, usage visibility, responsive product surfaces, and cross-platform packaging support.

Co-authored-by: factory-droid[bot] <138933559+factory-droid[bot]@users.noreply.github.com>

src/main/window.test.ts

@@ -0,0 +1,34 @@
+import { describe, expect, it } from 'vitest'
+import { resolveWindowIcon } from './window'
+
+describe('resolveWindowIcon', () => {
+  it('uses the packaged Windows taskbar icon', () => {
+    expect(
+      resolveWindowIcon({
+        platform: 'win32',
+        isPackaged: true,
+        appPath: 'C:\\app',
+        resourcesPath: 'C:\\app\\resources'
+      })
+    ).toBe('C:\\app\\resources\\icon.ico')
+  })
+
+  it('uses build assets during development and leaves macOS unset', () => {
+    expect(
+      resolveWindowIcon({
+        platform: 'linux',
+        isPackaged: false,
+        appPath: '/opt/goodbuddy',
+        resourcesPath: '/opt/goodbuddy/resources'
+      })
+    ).toBe('/opt/goodbuddy/build/icon.png')
+    expect(
+      resolveWindowIcon({
+        platform: 'darwin',
+        isPackaged: true,
+        appPath: '/Applications/GoodBuddy.app',
+        resourcesPath: '/Applications/GoodBuddy.app/Contents/Resources'
+      })
+    ).toBeUndefined()
+  })
+})