ci: cover all frontend unit and render test files

fix: branch switching reload in recursive

dev:frontend: Using Bootstrap Icons for message edit buttons

dev: LangGraph Refactoring for Restaurant Graph

test: Let OpenAPI Lint replace a hard diff for compatibility

test: frontend contract generation

test: render test for chat page

Frontend testing initiated

optimize user interaction

add homepage

Fix: Configure for Hugging Face Spaces deployment - Add Vite config and fix static file serving

jn's part - a base of front&back-end, complete the basic interaction requirements