Change account_number from INTEGER to VARCHAR(50) to support segmented codes like 30-3001-0000 used by real HOA accounting systems. Budget CSV import now: - Auto-creates income/expense accounts from CSV when they don't exist - Infers account_type and fund_type from account number prefix conventions - Parses currency-formatted values ($48,065.21, $(13,000.00), $-, etc.) - Reports created accounts back to the user Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>