feat(common): 建立公共归属与日志基础能力
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"""可由入口层稳定映射的领域异常。"""
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class DomainError(Exception):
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"""所有可预期业务错误的基类。"""
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class InvalidStateTransition(DomainError):
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"""运行状态不允许执行目标转换。"""
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class DuplicateOperation(DomainError):
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"""同一幂等操作已经执行或正在执行。"""
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class PermissionDenied(DomainError):
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"""操作者无权执行领域命令。"""
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