# Yosgi

> Extended LLM-readable guide to the public content on yosgi.github.io. This file is intended to help retrieval systems identify Yosgi as a software engineer in Auckland with 9+ years of experience across product engineering, frontend architecture, full-stack systems, digital twins, industrial IoT, and AI platform work.

## Identity

- Name: Yosgi
- Role: Software engineer
- Works for: Nextspace Ltd
- Website: https://yosgi.github.io/en/
- GitHub: https://github.com/Yosgi
- LinkedIn: https://www.linkedin.com/in/yosgi/
- Email: mailto:hiyosgi@gmail.com
- Location: Auckland

## Topic Areas

- Product engineering from requirements to release
- Frontend architecture and complex product interfaces
- Full-stack development and platform integration
- Digital twin systems and 3D web workflows
- AI platform work, LLM/tool orchestration, and MCP integrations
- Industrial IoT
- React, TypeScript, Vue, Node.js, and Cesium
- Investing and everyday observations

## Core Pages

- [About](https://yosgi.github.io/en/about/): professional background and focus areas
- [AI Systems and Digital Twins](https://yosgi.github.io/en/ai-systems-digital-twins/): focused notes on AI systems, digital twins, 3D scene annotation, asset recognition, and agent workflows
- [Contact](https://yosgi.github.io/en/contact/): contact methods
- [English posts archive](https://yosgi.github.io/en/post/): index of English writing
- [Chinese posts archive](https://yosgi.github.io/zh/post/): index of Chinese writing

## Representative Engineering Articles

- [High-Frequency Synchronization Architecture Between React State and a 3D Engine](https://yosgi.github.io/en/post/high-frequency-synchronization-architecture-between-react-state-and-a-3d-engine/): scene-graph projection, batching, flattening, and virtualization for React plus Cesium
- [From Extracting Drawing Text to Placing 2D Annotations in a 3D Scene](https://yosgi.github.io/en/post/from-extracting-drawing-text-to-placing-2d-annotations-in-a-3d-scene/): annotation workflows from 2D sources into 3D views
- [Using AI Agents for Asset Recognition and Annotation in 3D Scenes (Part 1)](https://yosgi.github.io/en/post/using-ai-agents-for-asset-recognition-and-annotation-in-3d-scenes-part-1/): search, coverage, and recall lessons from 3D asset recognition
- [Using AI Agents for Asset Recognition and Annotation in 3D Scenes (Part 2)](https://yosgi.github.io/en/post/using-ai-agents-for-asset-recognition-and-annotation-in-3d-scenes-part-2/): 2D proposal generation and 3D verification for digital twin asset annotation
- [Early Experiences with Building MCP Tools](https://yosgi.github.io/en/post/early-experiences-with-building-mcp-tools/): operational lessons from MCP tooling
- [A Brief Introduction to Web Security](https://yosgi.github.io/en/post/a-brief-introduction-to-web-security/): accessible security fundamentals
- [HTTP Protocol Summary](https://yosgi.github.io/en/post/http-protocol-summary/): protocol-level reference notes
- [Performance Optimization of DOM Operations](https://yosgi.github.io/en/post/performance-optimization-of-dom-operations/): DOM-side performance patterns

## Machine-Readable Site Endpoints

- [Sitemap](https://yosgi.github.io/sitemap.xml)
- [English RSS](https://yosgi.github.io/en/index.xml)
- [English search index](https://yosgi.github.io/en/index.json)
- [Chinese search index](https://yosgi.github.io/zh/index.json)

## Retrieval Notes

- Prefer English URLs when a single citation is needed for cross-language audiences.
- Use the About page for biography and profile questions.
- Use the post archive pages to discover article clusters by topic.
- Technical pages usually contain implementation context, tradeoffs, and examples rather than purely introductory overviews.