perf: keep Markdown segmentation for single-line display math and ship KaTeX fonts as files

tests/electron-vite-config.test.ts

@@ -2,11 +2,19 @@
 
 import { describe, expect, it } from 'vitest'
 import {
+  rendererAssetInlineLimit,
   stableMainEntryFileName,
   serializeDeepSeekHarnessBundleManifest
 } from '../electron.vite.config'
 
 describe('Electron Vite configuration', () => {
+  it('never inlines renderer fonts as data URLs blocked by the CSP', () => {
+    expect(rendererAssetInlineLimit('/n/katex/dist/fonts/KaTeX_Size4-Regular.woff2')).toBe(false)
+    expect(rendererAssetInlineLimit('/n/katex/dist/fonts/KaTeX_Size4-Regular.woff')).toBe(false)
+    expect(rendererAssetInlineLimit('/n/katex/dist/fonts/KaTeX_Size4-Regular.ttf')).toBe(false)
+    expect(rendererAssetInlineLimit('/n/inter.woff2?url')).toBe(false)
+    expect(rendererAssetInlineLimit('/src/renderer/src/assets/logo.png')).toBeUndefined()
+  })
   it('keeps Utility Process bootstrap entry names stable', () => {
     expect(
       stableMainEntryFileName({