chore: reinitialize project with vite architecture

.gitignore

@@ -0,0 +1,56 @@
+# Python
+__pycache__/
+*.py[cod]
+*$py.class
+*.so
+.Python
+
+# Virtual environments
+venv/
+ENV/
+env/
+.venv/
+
+# Package build artifacts
+*.egg-info/
+*.egg
+dist/
+build/
+*.whl
+frontend/node_modules/
+
+# IDE
+.idea/
+.vscode/
+*.swp
+*.swo
+*.sublime-*
+
+# OS
+.DS_Store
+Thumbs.db
+nul
+
+# Logs
+*.log
+logs/
+
+# Local config (credentials)
+.env
+
+# AI/LLM tools
+.claude/
+.codex/
+CLAUDE.md
+
+# Test artifacts
+.pytest_cache/
+.coverage
+htmlcov/
+.tox/
+
+# Jupyter
+.ipynb_checkpoints/
+
+# Note: openspec/ is tracked (not ignored)
+tmp/