shadcn, tailwind.css, react-hook-form, tanstack-query Backend Typescript, Hono, Prisma Backend(AI) Python, FastAPI, Prisma, LangChain, LangGraph, LangFuse, OpenAI Agents SDK Infrastructure AWS(Lambda, S3, Aurora, Dynamo, ElasticCache etc) CI Github Actions Tool Github, Cursor, Claude Code, V0, Devin, Linear, Obsidian 技術スタック