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JohnDaang

PROFILE

Johndaang

Developed end-to-end AI-driven storytelling features for the Capstone-Projects-2025-Spring/project-003-story-builder-team-1 repository, delivering a full-stack React and Node.js application. Over three months, implemented 37 features and resolved 6 bugs, focusing on frontend chat interfaces, backend API integration, authentication, and scalable architecture. Leveraged JavaScript, TypeScript, and CSS to build responsive UI components, robust routing, and reusable hooks for API calls. Integrated AI agents using LangChain and LLM orchestration, enabling dynamic story generation and context management. Emphasized maintainable code through thorough testing with Jest and React Testing Library, while improving user experience with markdown rendering, error handling, and protected routes.

Overall Statistics

Feature vs Bugs

86%Features

Repository Contributions

83Total
Bugs
6
Commits
83
Features
37
Lines of code
54,074
Activity Months3

Work History

April 2025

51 Commits • 22 Features

Apr 1, 2025

April 2025 monthly summary for Capstone-Projects-2025-Spring/project-003-story-builder-team-1 focused on delivering end-to-end storytelling capabilities, strengthening security, and improving UX. The work emphasizes business value through faster content creation, reliable API integration, and scalable architecture, while maintaining high code quality and test coverage.

March 2025

28 Commits • 13 Features

Mar 1, 2025

March 2025 monthly summary for Capstone-Projects-2025-Spring/project-003-story-builder-team-1 focusing on frontend delivery, UI polish, testing, and foundational backend wiring. Key features delivered include Chat UI Enhancements with resizable chat/input areas, Enter-to-send, non-empty input validation, and AI messages aligned left; and overall UI/branding improvements with a polished main layout. The frontend scaffolding was expanded with MainLayout.js and App.js routing to support STORY_LIST/VIEW/AGENTS flows, plus Chapter List Sidebar for chapter navigation and STORY_PROMPT_BOX wiring to STORY_CONTEXT. Additional progress includes UI branding refinements, initial user authentication UI, CORS debugging, and a robust testing infrastructure with coverage for STORY_CONTEXT, STORY_LIST, STORY_VIEW, and MAIN_LAYOUT. These efforts deliver tangible business value by improving user experience, enabling faster feature delivery, and establishing a maintainable, scalable frontend architecture.

February 2025

4 Commits • 2 Features

Feb 1, 2025

February 2025 focused on delivering a usable StoryBuilder frontend and reliable frontend-backend integration, establishing cross-origin communication and robust error handling, and laying the foundation for AI-enabled storytelling. Key improvements include frontend bootstrap, a chat interface with API integration, and backend CORS configuration to enable cross-port communication.

Activity

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Quality Metrics

Correctness84.0%
Maintainability83.2%
Architecture79.0%
Performance76.4%
AI Usage23.2%

Skills & Technologies

Programming Languages

CSSHTMLJavaScriptJestReactTypeScript

Technical Skills

AI Agent DevelopmentAI IntegrationAPI DevelopmentAPI IntegrationAgent DevelopmentAxiosBackend DevelopmentBackend IntegrationCORS ConfigurationCSSCSS StylingCode CleanupComponent DesignContext APIContext Management

Repositories Contributed To

1 repo

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

Capstone-Projects-2025-Spring/project-003-story-builder-team-1

Feb 2025 Apr 2025
3 Months active

Languages Used

CSSHTMLJavaScriptReactJestTypeScript

Technical Skills

API IntegrationCSS StylingFrontend DevelopmentReactAxiosBackend Development