Louhao Lu (Sean)

Architected AI Knowledge Management: Customized LLM Chatbot components to support streaming responses, automated summarization, and auto-tagging. Implemented rich-text rendering, online previews, and streaming downloads for generated documents.

Developed EDP Module: Engineered an AI-driven Job Description (JD) generator and skill graph matching module. Built multi-dimensional search for learning content and implemented manual update/re-calculation logic for AI matching degrees.

Optimized Complex State Management: Fixed cross-page selection state loss in the admin user list by abstracting global selection objects and utilizing an `isSettingSelection` lock mechanism, achieving seamless pagination and form backfilling.

Refactored High-Fidelity Print Module: Addressed blurry outputs and truncated tables caused by the legacy `html2canvas` solution.

Implemented DOM-Level Cross-Page Printing: Introduced `vue-print-next` combined with the `pagedjs` engine. Leveraged `pagedjs` to dynamically parse CSS Paged Media specs for precise page boundary calculation. Perfectly repeated dynamic signature tables at the bottom of every A4 page.

BigBlueButton Secondary Development: Customized the React/HTML5 client in a Dockerized environment. Refactored the Smart Caption UI from an isolated floating window into the left sidebar, unifying the visual design with the public chat layout.

Engineered Data Sync Pipeline: Developed a Node.js script (`sync-obsidian.ts`) to parse and cleanse Markdown data. Implemented Regex transformations for Obsidian Wikilinks and automated Favicon caching, bridging the local Vault to the Web directory.

Designed Dynamic View Engine: Built a Hierarchical Tags system based on YAML frontmatter. Dynamically generated the Dashboard's bookmark library and Notes sidebar categories by parsing specific tags, achieving high decoupling of views and content.

Frontend Architecture & Optimization: Adopted Astro's SSG strategy and Islands Architecture to drastically reduce client-side JS. Integrated Content Collections for strongly-typed queries and `Pagefind` for sub-second static full-text search.

Full-Stack Auth & Communication: Deeply encapsulated HTTP Client based on Axios. Applied the Result Pattern to flatten network exceptions, eliminating redundant try-catch blocks. Implemented a robust 401 silent Token concurrent refresh mechanism using Promise locks.

Complex State Decoupling: Deconstructed a massive configuration form into fine-grained views. Extracted custom Hooks to centrally orchestrate distributed validation states, strictly adhering to unidirectional data flow and significantly reducing code coupling.

Standardized Data Modeling: Modeled complex relational databases using Prisma, applying Cascade deletes and composite indexing. Introduced the Repository pattern to decouple database operations from core business logic.