🎨 Palette: [개발자 경험 개선] OpenAPI 스키마에 예제 데이터 추가

[seonghobae]

💡 What: ParseQuality 및 HealthResponse 모델의 필드에 json_schema_extra={"example": ...}를 추가하여 Swagger UI에서 직관적인 예제를 볼 수 있도록 개선했습니다.
🎯 Why: 백엔드 전용 애플리케이션에서 API 문서의 명확성은 개발자 경험(DX)을 결정짓는 핵심 요소입니다. 구체적인 예제가 있으면 API 연동 과정이 훨씬 수월해집니다.
📸 Before/After: 해당 없음 (API 문서 UI 상의 변화)
♿ Accessibility: 해당 없음 (UX/DX 개선)

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PR created automatically by Jules for task 2088752217907062735 started by @seonghobae

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[Copilot]

Pull request overview

This PR improves the API documentation experience by adding explicit OpenAPI example values to schema fields, so Swagger UI shows more helpful sample payloads for consumers of the FastAPI service.

Changes:

• Added json_schema_extra={"example": ...} to ParseQuality fields (status, parser, warnings) to surface representative example values in generated OpenAPI.
• Added json_schema_extra={"example": ...} to HealthResponse.status for clearer health-check response examples.
• Updated .jules/palette.md with a short internal note about the OpenAPI schema example addition.

Reviewed changes

Copilot reviewed 2 out of 2 changed files in this pull request and generated no comments.

File	Description
src/newsdom_api/schemas.py	Adds OpenAPI example metadata to ParseQuality and HealthResponse fields for improved Swagger UI docs.
.jules/palette.md	Records an internal DX learning/action note related to adding schema examples.

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[Copilot]

Pull request overview

Copilot reviewed 3 out of 4 changed files in this pull request and generated 2 comments.