update

[xuhuanzy]

1. 重构泛型, 见 update generic #1096
2. 移除 Attribute 标签, 现在他的定义行为与 c# 的类似
3. 重构 hover signature

[gemini-code-assist]

Code Review

This pull request deprecates the custom @attribute tag in favor of standard @class declarations inheriting from a base Attribute class, removing the old attribute parsing and analysis code. It also introduces support for const generic modifiers (replacing std.ConstTpl<T>) and refactors parameter count and type checking into a unified param_check diagnostic module. Feedback on these changes highlights a recursive cleanup bug in call_hover.rs where type_id can be left in visiting_aliases on early return, a logic gap in param_count.rs that fails to emit diagnostics when both missing and redundant candidates are present, and compatibility issues with Option::is_none_or which requires Rust 1.82.0.

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