Describe Your Changes

This pull request introduces several changes related to engine management, including the addition of new types, modifications to existing methods, and updates to the user interface for handling engines. The most important changes are summarized below:

Engine Management Enhancements:

• Added EngineConfig and EngineMetadata types in core/src/types/engine/index.ts to encapsulate engine configuration and metadata details.
• Updated methods in EngineManagementExtension and JSONEngineManagementExtension to use the new EngineConfig type, improving consistency and flexibility.

New Functionality:

• Introduced a new method getRemoteModels in EngineManagementExtension and JSONEngineManagementExtension to fetch remote models.

User Interface Updates:

• Added showSettingActiveRemoteEngineAtom to manage the state of active remote engines in web/helpers/atoms/Extension.atom.ts.
• Created a new component LocalEngineItems to display and manage local engine settings in web/screens/Settings/Engines/LocalEngineItem.tsx.
• Renamed Settings.tsx to LocalEngineSettings.tsx and updated its content to reflect the changes in engine management.

Dependency Updates:

• Added new dependencies @hookform/resolvers, react-hook-form, and zod to web/package.json for improved form handling and validation.

Fixes Issues

• Form to add new remote engine

• Show remote engine list in Engine setting page
• Show remote engine list in setting left panel based toggle active

• Detail page for remote engine

• Migration remote engine from extension, need @louis-jan help

• Closes feat: Implement UI for Remote Engine Management #4251

• Closes #

Self Checklist

• Added relevant comments, esp in complex areas
• Updated docs (for bug fixes / features)
• Created issues for follow-up changes or refactoring needed