Introduce PromptAi support: add model, migration, seeder and controller with full CRUD endpoints, and register routes under /api/prompt-ai. Integrate DB-driven prompts into LineConnection (replace hardcoded prompt strings for DPELP and ENV with fetched PromptAi records). Update frontend ModalConfig to add a Prompt AI management tab (fetch, create, edit prompts), plus related UI tweaks (tabs, prompt editor modal, axios/notifications). This makes AI prompts editable at runtime without code changes.
Introduces a 'history' column to the Line model and database, storing line history as a JSON string. Updates line_connection service to persist history and extends Redis cleanup to 96 hours. Refactors BottomToolBar and ButtonAction components to use selectedLines for CLI actions and adjusts command sequences.
Added 'baud' and 'interface' fields to the Line model and database schema. Implemented backend and frontend support for setting baud rate per line, including socket event handling and UI controls. Enhanced CardLine and BottomToolBar components to provide scenario and baud controls, and improved UI/UX for line management. Minor fixes and refactoring for consistency and usability.