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Karen Yuan

PROFILE

Karen Yuan

Karen Yuan developed a comprehensive articles management suite for the ucsb-cs156-s25/team02-s25-14 repository, delivering both backend and frontend features over two months. She implemented a REST API for articles with CRUD operations and role-based access control using Java, Spring Boot, and Hibernate, clarifying team responsibilities through improved documentation. On the frontend, Karen built React-based UI pages for article creation, editing, and listing, introducing reusable components and robust test coverage with Jest and React Testing Library. Her work addressed data migration, formatting, and merge conflict issues, resulting in a maintainable, well-documented codebase that streamlined authoring workflows and improved team collaboration.

Overall Statistics

Feature vs Bugs

68%Features

Repository Contributions

23Total
Bugs
6
Commits
23
Features
13
Lines of code
3,228
Activity Months2

Work History

May 2025

21 Commits • 11 Features

May 1, 2025

May 2025 performance highlights for ucsb-cs156-s25-team02-s25-14: Delivered a robust articles management suite including UI pages (index/create/edit), a reusable Article Form Component with tests, and an Article Table with tests and Storybook stories. Added article fixtures to support tests and UI, and introduced tests for article placeholder pages and the work-in-progress path. Fixed critical frontend formatting issues and formatting problems in the articles form and tests, and resolved merge-conflicts-related deletions that affected articles pages. Addressed mutation testing gaps in Article Form to strengthen test reliability. Fixed an articles data migration file to ensure data integrity. These efforts improved authoring workflows, UI consistency, test coverage, and maintainability, enabling faster, safer feature delivery.

April 2025

2 Commits • 2 Features

Apr 1, 2025

April 2025 — Delivered critical content-management capability and improved team clarity. Implemented Articles REST API with CRUD operations and role-based access control (read=ROLE_USER, write=ROLE_ADMIN), and updated README with team assignments for database tables to clarify responsibilities. No major bugs reported; focus on feature delivery and documentation improvement, enabling quicker future iterations and stronger security.

Activity

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Quality Metrics

Correctness93.0%
Maintainability91.2%
Architecture87.8%
Performance91.2%
AI Usage20.0%

Skills & Technologies

Programming Languages

HTMLJavaJavaScriptMarkdownSQL

Technical Skills

API IntegrationAxios MockingBackend DevelopmentDocumentationFrontend DevelopmentHibernateJPAJUnitJestMSWMSW (Mock Service Worker)Mock Data CreationMockingMockitoREST APIs

Repositories Contributed To

1 repo

Overview of all repositories you've contributed to across your timeline

ucsb-cs156-s25/team02-s25-14

Apr 2025 May 2025
2 Months active

Languages Used

JavaMarkdownSQLHTMLJavaScript

Technical Skills

Backend DevelopmentDocumentationHibernateJPAJUnitMockito

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