This commit removes the deprecated frontend/web-old directory, updates various project configuration files including tsconfig, vite config, environment variables, and backend data models. It also fixes several API paths, adds tenant awareness to multiple models, and makes minor UI adjustments.
- Added a "Start Here" section in both English and Chinese README files to guide new users on running the project locally and exploring its features.
- Introduced backend conventions for date and serialization handling, clarifying the use of Pydantic v2 and PostgreSQL.
- Updated the "Quick Start" section with detailed steps for first-time local setup, including environment requirements and backend setup instructions.
- Improved overall structure and clarity of documentation to facilitate better understanding for developers and contributors.
zhangtao