e748eba55b
- Update .gitignore to allow backend database migrations - Add 004_fix_table_structure.sql migration - Rename tables to plural form (user->users, company->companies) - Add missing fields to companies and users tables - Create company_feishu_apps table for multi-app configuration - Import company data and Feishu app configurations - Set UTF-8 charset to fix encoding issues from MySQL 5.7 export Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>