5eaf6fe6fb
- Add SanitizeDatabaseURL() function to config package that redacts passwords from database connection URLs - Handles various URL formats: postgresql, mysql, etc. - Correctly handles passwords containing special characters including @ symbols by using LastIndex - Update startup logging in cmd/server/main.go to use sanitized database URL - Add comprehensive tests covering various URL formats and edge cases This ensures sensitive database credentials are not exposed in application logs.