代码迁移

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难度：高级

适用场景：Legacy-to-modern stack moves where frameworks, runtimes, build systems, or platform conventions need to change. Teams that need compatibility layers, phased transitions, and explicit validation at each migration checkpoint.

启动提示

Migrate this codebase from [legacy stack or system] to [target stack or system]. Requirements:

• Start by inventorying the legacy assumptions: routing, data models, auth, configuration, build tooling, tests, deployment, and external contracts.
• Map the old stack to the new one and call out anything that has no direct equivalent.
• Propose an incremental migration plan with compatibility layers or checkpoints instead of one big rewrite.
• Keep behavior unchanged unless the migration explici...