[Problem description]
[Impact and urgency]
[Academic and practical value]
[Description of the practical need]
[Technical innovation points]
[Potential impact and scalability]
[Reasons for choosing this technology]
[Reasons for choosing this technology]
[Data storage strategy]
[User scenario description]
[Permissions and scope]
[Core function description]
[Performance, security requirements]
[Another core function]
[Environment, time, tech limits]
[Description of this code snippet]
[Description of this code snippet]
[Implementation and testing results]
[Performance metrics and optimization]
[UI design and interaction quality]
[Detailed description of the first challenge]
[How the problem was resolved]
[Detailed description of the second challenge]
[How the problem was resolved]
[Detailed description of the third challenge]
[How the problem was resolved]
[Summary of main work completed]
[Honest analysis of current shortcomings]
[Future directions and improvements]