E5xxx：模块与导入

自动生成自 src/util/diagnostic/codes/

错误列表

E5001：Module not found

类别: Module

消息: Referenced module does not exist

帮助: Check the module path and ensure it exists

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E5002：Import error

类别: Module

消息: Failed to import the module

帮助: Check the import path and module resolution

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E5003：Export not found

类别: Module

消息: Referenced export does not exist in the module

帮助: Check the exports of the module

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E5004：Circular dependency

类别: Module

消息: Modules have circular dependencies

帮助: Refactor to remove the circular dependency

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