- Add FileSystem and FileStream interfaces for filesystem operations
- Update Database interface with proper Promise-based return types
- Add QueryExecResult interface for structured query results
- Include FS and register_for_idb in initialization result
- Fix Database constructor to support path and options parameters
- Add proper JSDoc documentation with author and description
This change resolves TypeScript compilation errors in AbsurdSqlDatabaseService by providing complete type coverage for the SQL.js WASM module with filesystem support.
