fix(cis): fix JSX syntax errors and import paths for Phase 3 build

- Fix broken template literal in transcriptionStore.ts export function
- Fix broken regex in Content-Disposition parser
- Fix broken character class in filename sanitization
- Fix LLMConfigModal import path (5 levels up, not 6)
- Export button JSX properly nested in CCTranscriptionPanel
- Build now passes cleanly

src/utils/tldraw/ui-overrides/components/shared/LLMConfigModal.tsx

@@ -1,6 +1,6 @@
 import React, { useState, useEffect } from 'react';
 import Close from '@mui/icons-material/Close';
-import { useTranscriptionStore, LLMConfig } from '../../stores/transcriptionStore';
+import { useTranscriptionStore, LLMConfig } from '../../../../../stores/transcriptionStore';
 
 const PROVIDERS = [
   { value: 'openai', label: 'OpenAI' },