[codex] refine AI backend portfolio copy

[dd3ok]

Summary

• Reposition the portfolio copy around practical AI backend experiments without overstating production specialization.
• Add a Current Focus entry for post-Gmarket backend, AI agent, data pipeline, and automation work.
• Refresh metadata and Toys copy so public projects read as AI, automation, and developer-tool experiments.

Validation

• npm run build

[gemini-code-assist]

Code Review

This pull request updates the developer's portfolio to emphasize Spring Boot, AI backend, RAG, LLMOps, and automation toy projects. It introduces a new 'Current Focus' experience entry, refines the descriptions of several toy projects, and updates the site metadata. Feedback is provided to add missing spaces after commas in the Korean text within the new experience description to improve readability.

Important

The consumer version of Gemini Code Assist on GitHub is being sunset. Starting June 18, 2026, new organization installations will be blocked, and all code review activity will officially cease on July 17, 2026.
For more details on the timeline and next steps, please review the Help Documentation.

[gemini-code-assist]

There are missing spaces after the commas in the Korean text 수집·분석,평가,브리핑. Adding spaces after commas will improve readability and maintain consistency with other list items in this file.

Suggested change

	'Python 기반 주식 데이터 수집·분석,평가,브리핑 자동화 파이프라인 개발',
	'Python 기반 주식 데이터 수집·분석, 평가, 브리핑 자동화 파이프라인 개발',