Refine Schemas Code Contributor Agent

## Description
The existing meshery/schemas agent definition is incomplete and lacks specific guidance on repository patterns. This update replaces it with a comprehensive blueprint that strictly enforces source-vs-generated separation, core type reuse, and proper build workflows.

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### Contributor [Guides](https://docs.meshery.io/project/contributing) and [Handbook](https://meshery.io/community/handbook)
- 🛠 [Meshery Build & Release Strategy](https://docs.meshery.io/project/contributing/build-and-release)
- 📚 [Instructions for contributing to documentation](https://github.com/meshery/meshery/blob/master/CONTRIBUTING.md#documentation-contribution-flow)
   - Meshery documentation [site](https://docs.meshery.io/) and [source](https://github.com/meshery/meshery/tree/master/docs)
- 🎨 Wireframes and designs for Meshery UI in [Figma](https://www.figma.com/file/SMP3zxOjZztdOLtgN4dS2W/Meshery-UI)
- 🙋🏾🙋🏼 Questions: [Discussion Forum](http://discuss.meshery.io) and [Community Slack](https://slack.meshery.io)


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Refine Schemas Code Contributor Agent #583

Description

Contributor Guides and Handbook

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Refine Schemas Code Contributor Agent #583

Description

Description

Contributor Guides and Handbook

Metadata

Metadata

Assignees

Labels

Type

Projects

Milestone

Relationships

Development

Issue actions