- Add GaussDB/openGauss support via ODBC (resolves#106)
- Use pg_catalog queries instead of information_schema for compatibility
- Share ODBC environment across drivers with auto ODBCSYSINI detection
- Fix ODBC error message false positive on "Driver" keyword match
- Merge connection dialog categories into a single flat list
- Remove duplicate DDL button from data grid footer
Connect to DM8 databases using the odbc-api crate with unixODBC.
Includes schema browsing, query execution, DDL generation,
and full frontend integration with download link to DM ODBC driver.
Add a third transfer mode that inserts new rows and updates existing
rows based on primary key, supporting PostgreSQL, MySQL, SQLite,
SQL Server, Oracle, and DuckDB with database-specific upsert syntax.
Also fixes DuckDB primary key detection in transfer operations.
Introduce src-web (axum HTTP server) exposing all 43 database operations
as REST APIs with SSE streaming for AI, transfers, and SQL file execution.
Frontend adapts automatically between Tauri and HTTP backends via api.ts.
Includes password authentication, Docker packaging, and login page.