docs: add station reroute refactor plan

Junjie

2026-03-24 baf1a7a138976f098ddbbf95a9373e0ed4adebe0

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package com.core.exception;
 
public class CoolException extends RuntimeException {
 
    public CoolException(Throwable cause) {
        super(cause);
    }
 
    public CoolException(String message) {
        super(message);
    }
}