Add SqlServerPort property to connection string editor for explicit port
configuration, replacing the need to embed port in server name (e.g.,
localhost,1434). The port control generates the comma-separated format in
the connection string but does not parse it back when loading existing
connection strings.
- Add pipeline registry with JSON-based configuration and hot-reload support
- Implement manual sync request feature with API, client UI, and database
- Improve ConfigManager: connection string dropdown in pipeline editor,
step delete/reorder functionality, and fix JSON parsing for ConnectionStrings
Adds a new ConnectionStrings section to ConfigManager allowing users to manage
database connection strings with provider selection, connection testing, and
visual feedback for connection state.