- Fix calculateQuote() to respect serviceInterests flags - Only include GPS/Support costs when user has enabled them - Update Step6Summary to conditionally render service sections - Add sender display name (Arizona Computer Guru) to emails - Add reply-to address (admin@azcomputerguru.com) - Fixes phantom $380 support charge appearing in totals Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>