feat(order): 添加订单货币转换功能

- 在CustomerOrder实体中添加原始货币、支付货币、汇率等相关字段
- 实现货币转换计算接口，支持自动转换不支持的货币到USD
- 添加货币转换信息更新服务方法
- 在订单创建时初始化货币转换相关字段
- 扩展订单响应DTO包含完整的货币转换信息
- 实现汇率锁定和转换记录功能

logs/mt-pay-error.2025-12-23.log

@@ -1331,3 +1331,179 @@ org.springframework.web.client.HttpClientErrorException$UnprocessableEntity: 422
 	at org.apache.tomcat.util.threads.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:659)
 	at org.apache.tomcat.util.threads.TaskThread$WrappingRunnable.run(TaskThread.java:61)
 	at java.base/java.lang.Thread.run(Thread.java:842)
+2025-12-23 16:27:00.878 [main] ERROR com.mtkj.mtkjpay.MtkjpayApplication - 
+╔══════════════════════════════════════════════════════════╗
+║                                                          ║
+║          ❌  MTKJ PAY 支付系统启动失败！  ❌             ║
+║                                                          ║
+╚══════════════════════════════════════════════════════════╝
+
+org.springframework.boot.devtools.restart.SilentExitExceptionHandler$SilentExitException: null
+	at org.springframework.boot.devtools.restart.SilentExitExceptionHandler.exitCurrentThread(SilentExitExceptionHandler.java:92)
+	at org.springframework.boot.devtools.restart.Restarter.immediateRestart(Restarter.java:179)
+	at org.springframework.boot.devtools.restart.Restarter.initialize(Restarter.java:163)
+	at org.springframework.boot.devtools.restart.Restarter.initialize(Restarter.java:532)
+	at org.springframework.boot.devtools.restart.RestartApplicationListener.onApplicationStartingEvent(RestartApplicationListener.java:98)
+	at org.springframework.boot.devtools.restart.RestartApplicationListener.onApplicationEvent(RestartApplicationListener.java:51)
+	at org.springframework.context.event.SimpleApplicationEventMulticaster.doInvokeListener(SimpleApplicationEventMulticaster.java:178)
+	at org.springframework.context.event.SimpleApplicationEventMulticaster.invokeListener(SimpleApplicationEventMulticaster.java:171)
+	at org.springframework.context.event.SimpleApplicationEventMulticaster.multicastEvent(SimpleApplicationEventMulticaster.java:149)
+	at org.springframework.context.event.SimpleApplicationEventMulticaster.multicastEvent(SimpleApplicationEventMulticaster.java:137)
+	at org.springframework.boot.context.event.EventPublishingRunListener.multicastInitialEvent(EventPublishingRunListener.java:136)
+	at org.springframework.boot.context.event.EventPublishingRunListener.starting(EventPublishingRunListener.java:75)
+	at org.springframework.boot.SpringApplicationRunListeners.lambda$starting$0(SpringApplicationRunListeners.java:54)
+	at java.base/java.lang.Iterable.forEach(Iterable.java:75)
+	at org.springframework.boot.SpringApplicationRunListeners.doWithListeners(SpringApplicationRunListeners.java:118)
+	at org.springframework.boot.SpringApplicationRunListeners.starting(SpringApplicationRunListeners.java:54)
+	at org.springframework.boot.SpringApplication.run(SpringApplication.java:315)
+	at com.mtkj.mtkjpay.MtkjpayApplication.main(MtkjpayApplication.java:33)
+2025-12-23 16:57:03.165 [main] ERROR com.mtkj.mtkjpay.MtkjpayApplication - 
+╔══════════════════════════════════════════════════════════╗
+║                                                          ║
+║          ❌  MTKJ PAY 支付系统启动失败！  ❌             ║
+║                                                          ║
+╚══════════════════════════════════════════════════════════╝
+
+org.springframework.boot.devtools.restart.SilentExitExceptionHandler$SilentExitException: null
+	at org.springframework.boot.devtools.restart.SilentExitExceptionHandler.exitCurrentThread(SilentExitExceptionHandler.java:92)
+	at org.springframework.boot.devtools.restart.Restarter.immediateRestart(Restarter.java:179)
+	at org.springframework.boot.devtools.restart.Restarter.initialize(Restarter.java:163)
+	at org.springframework.boot.devtools.restart.Restarter.initialize(Restarter.java:532)
+	at org.springframework.boot.devtools.restart.RestartApplicationListener.onApplicationStartingEvent(RestartApplicationListener.java:98)
+	at org.springframework.boot.devtools.restart.RestartApplicationListener.onApplicationEvent(RestartApplicationListener.java:51)
+	at org.springframework.context.event.SimpleApplicationEventMulticaster.doInvokeListener(SimpleApplicationEventMulticaster.java:178)
+	at org.springframework.context.event.SimpleApplicationEventMulticaster.invokeListener(SimpleApplicationEventMulticaster.java:171)
+	at org.springframework.context.event.SimpleApplicationEventMulticaster.multicastEvent(SimpleApplicationEventMulticaster.java:149)
+	at org.springframework.context.event.SimpleApplicationEventMulticaster.multicastEvent(SimpleApplicationEventMulticaster.java:137)
+	at org.springframework.boot.context.event.EventPublishingRunListener.multicastInitialEvent(EventPublishingRunListener.java:136)
+	at org.springframework.boot.context.event.EventPublishingRunListener.starting(EventPublishingRunListener.java:75)
+	at org.springframework.boot.SpringApplicationRunListeners.lambda$starting$0(SpringApplicationRunListeners.java:54)
+	at java.base/java.lang.Iterable.forEach(Iterable.java:75)
+	at org.springframework.boot.SpringApplicationRunListeners.doWithListeners(SpringApplicationRunListeners.java:118)
+	at org.springframework.boot.SpringApplicationRunListeners.starting(SpringApplicationRunListeners.java:54)
+	at org.springframework.boot.SpringApplication.run(SpringApplication.java:315)
+	at com.mtkj.mtkjpay.MtkjpayApplication.main(MtkjpayApplication.java:33)
+2025-12-23 17:06:54.545 [http-nio-8082-exec-4] ERROR com.mtkj.mtpay.exception.GlobalExceptionHandler - 系统异常
+org.springframework.web.HttpRequestMethodNotSupportedException: Request method 'POST' is not supported
+	at org.springframework.web.servlet.mvc.method.RequestMappingInfoHandlerMapping.handleNoMatch(RequestMappingInfoHandlerMapping.java:265)
+	at org.springframework.web.servlet.handler.AbstractHandlerMethodMapping.lookupHandlerMethod(AbstractHandlerMethodMapping.java:441)
+	at org.springframework.web.servlet.handler.AbstractHandlerMethodMapping.getHandlerInternal(AbstractHandlerMethodMapping.java:382)
+	at org.springframework.web.servlet.mvc.method.RequestMappingInfoHandlerMapping.getHandlerInternal(RequestMappingInfoHandlerMapping.java:126)
+	at org.springframework.web.servlet.mvc.method.RequestMappingInfoHandlerMapping.getHandlerInternal(RequestMappingInfoHandlerMapping.java:68)
+	at org.springframework.web.servlet.handler.AbstractHandlerMapping.getHandler(AbstractHandlerMapping.java:507)
+	at org.springframework.web.servlet.DispatcherServlet.getHandler(DispatcherServlet.java:1283)
+	at org.springframework.web.servlet.DispatcherServlet.doDispatch(DispatcherServlet.java:1065)
+	at org.springframework.web.servlet.DispatcherServlet.doService(DispatcherServlet.java:979)
+	at org.springframework.web.servlet.FrameworkServlet.processRequest(FrameworkServlet.java:1014)
+	at org.springframework.web.servlet.FrameworkServlet.doPost(FrameworkServlet.java:914)
+	at jakarta.servlet.http.HttpServlet.service(HttpServlet.java:590)
+	at org.springframework.web.servlet.FrameworkServlet.service(FrameworkServlet.java:885)
+	at jakarta.servlet.http.HttpServlet.service(HttpServlet.java:658)
+	at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:205)
+	at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:149)
+	at org.apache.tomcat.websocket.server.WsFilter.doFilter(WsFilter.java:51)
+	at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:174)
+	at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:149)
+	at org.springframework.web.filter.RequestContextFilter.doFilterInternal(RequestContextFilter.java:100)
+	at org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:116)
+	at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:174)
+	at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:149)
+	at org.springframework.web.filter.FormContentFilter.doFilterInternal(FormContentFilter.java:93)
+	at org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:116)
+	at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:174)
+	at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:149)
+	at org.springframework.web.filter.CharacterEncodingFilter.doFilterInternal(CharacterEncodingFilter.java:201)
+	at org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:116)
+	at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:174)
+	at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:149)
+	at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:167)
+	at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:90)
+	at org.apache.catalina.authenticator.AuthenticatorBase.invoke(AuthenticatorBase.java:482)
+	at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:115)
+	at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:93)
+	at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:74)
+	at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:340)
+	at org.apache.coyote.http11.Http11Processor.service(Http11Processor.java:391)
+	at org.apache.coyote.AbstractProcessorLight.process(AbstractProcessorLight.java:63)
+	at org.apache.coyote.AbstractProtocol$ConnectionHandler.process(AbstractProtocol.java:896)
+	at org.apache.tomcat.util.net.NioEndpoint$SocketProcessor.doRun(NioEndpoint.java:1744)
+	at org.apache.tomcat.util.net.SocketProcessorBase.run(SocketProcessorBase.java:52)
+	at org.apache.tomcat.util.threads.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1191)
+	at org.apache.tomcat.util.threads.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:659)
+	at org.apache.tomcat.util.threads.TaskThread$WrappingRunnable.run(TaskThread.java:61)
+	at java.base/java.lang.Thread.run(Thread.java:842)
+2025-12-23 17:07:40.917 [http-nio-8082-exec-7] ERROR com.mtkj.mtpay.exception.GlobalExceptionHandler - 系统异常
+org.springframework.web.HttpRequestMethodNotSupportedException: Request method 'POST' is not supported
+	at org.springframework.web.servlet.mvc.method.RequestMappingInfoHandlerMapping.handleNoMatch(RequestMappingInfoHandlerMapping.java:265)
+	at org.springframework.web.servlet.handler.AbstractHandlerMethodMapping.lookupHandlerMethod(AbstractHandlerMethodMapping.java:441)
+	at org.springframework.web.servlet.handler.AbstractHandlerMethodMapping.getHandlerInternal(AbstractHandlerMethodMapping.java:382)
+	at org.springframework.web.servlet.mvc.method.RequestMappingInfoHandlerMapping.getHandlerInternal(RequestMappingInfoHandlerMapping.java:126)
+	at org.springframework.web.servlet.mvc.method.RequestMappingInfoHandlerMapping.getHandlerInternal(RequestMappingInfoHandlerMapping.java:68)
+	at org.springframework.web.servlet.handler.AbstractHandlerMapping.getHandler(AbstractHandlerMapping.java:507)
+	at org.springframework.web.servlet.DispatcherServlet.getHandler(DispatcherServlet.java:1283)
+	at org.springframework.web.servlet.DispatcherServlet.doDispatch(DispatcherServlet.java:1065)
+	at org.springframework.web.servlet.DispatcherServlet.doService(DispatcherServlet.java:979)
+	at org.springframework.web.servlet.FrameworkServlet.processRequest(FrameworkServlet.java:1014)
+	at org.springframework.web.servlet.FrameworkServlet.doPost(FrameworkServlet.java:914)
+	at jakarta.servlet.http.HttpServlet.service(HttpServlet.java:590)
+	at org.springframework.web.servlet.FrameworkServlet.service(FrameworkServlet.java:885)
+	at jakarta.servlet.http.HttpServlet.service(HttpServlet.java:658)
+	at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:205)
+	at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:149)
+	at org.apache.tomcat.websocket.server.WsFilter.doFilter(WsFilter.java:51)
+	at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:174)
+	at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:149)
+	at org.springframework.web.filter.RequestContextFilter.doFilterInternal(RequestContextFilter.java:100)
+	at org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:116)
+	at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:174)
+	at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:149)
+	at org.springframework.web.filter.FormContentFilter.doFilterInternal(FormContentFilter.java:93)
+	at org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:116)
+	at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:174)
+	at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:149)
+	at org.springframework.web.filter.CharacterEncodingFilter.doFilterInternal(CharacterEncodingFilter.java:201)
+	at org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:116)
+	at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:174)
+	at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:149)
+	at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:167)
+	at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:90)
+	at org.apache.catalina.authenticator.AuthenticatorBase.invoke(AuthenticatorBase.java:482)
+	at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:115)
+	at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:93)
+	at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:74)
+	at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:340)
+	at org.apache.coyote.http11.Http11Processor.service(Http11Processor.java:391)
+	at org.apache.coyote.AbstractProcessorLight.process(AbstractProcessorLight.java:63)
+	at org.apache.coyote.AbstractProtocol$ConnectionHandler.process(AbstractProtocol.java:896)
+	at org.apache.tomcat.util.net.NioEndpoint$SocketProcessor.doRun(NioEndpoint.java:1744)
+	at org.apache.tomcat.util.net.SocketProcessorBase.run(SocketProcessorBase.java:52)
+	at org.apache.tomcat.util.threads.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1191)
+	at org.apache.tomcat.util.threads.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:659)
+	at org.apache.tomcat.util.threads.TaskThread$WrappingRunnable.run(TaskThread.java:61)
+	at java.base/java.lang.Thread.run(Thread.java:842)
+2025-12-23 17:10:22.913 [main] ERROR com.mtkj.mtkjpay.MtkjpayApplication - 
+╔══════════════════════════════════════════════════════════╗
+║                                                          ║
+║          ❌  MTKJ PAY 支付系统启动失败！  ❌             ║
+║                                                          ║
+╚══════════════════════════════════════════════════════════╝
+
+org.springframework.boot.devtools.restart.SilentExitExceptionHandler$SilentExitException: null
+	at org.springframework.boot.devtools.restart.SilentExitExceptionHandler.exitCurrentThread(SilentExitExceptionHandler.java:92)
+	at org.springframework.boot.devtools.restart.Restarter.immediateRestart(Restarter.java:179)
+	at org.springframework.boot.devtools.restart.Restarter.initialize(Restarter.java:163)
+	at org.springframework.boot.devtools.restart.Restarter.initialize(Restarter.java:532)
+	at org.springframework.boot.devtools.restart.RestartApplicationListener.onApplicationStartingEvent(RestartApplicationListener.java:98)
+	at org.springframework.boot.devtools.restart.RestartApplicationListener.onApplicationEvent(RestartApplicationListener.java:51)
+	at org.springframework.context.event.SimpleApplicationEventMulticaster.doInvokeListener(SimpleApplicationEventMulticaster.java:178)
+	at org.springframework.context.event.SimpleApplicationEventMulticaster.invokeListener(SimpleApplicationEventMulticaster.java:171)
+	at org.springframework.context.event.SimpleApplicationEventMulticaster.multicastEvent(SimpleApplicationEventMulticaster.java:149)
+	at org.springframework.context.event.SimpleApplicationEventMulticaster.multicastEvent(SimpleApplicationEventMulticaster.java:137)
+	at org.springframework.boot.context.event.EventPublishingRunListener.multicastInitialEvent(EventPublishingRunListener.java:136)
+	at org.springframework.boot.context.event.EventPublishingRunListener.starting(EventPublishingRunListener.java:75)
+	at org.springframework.boot.SpringApplicationRunListeners.lambda$starting$0(SpringApplicationRunListeners.java:54)
+	at java.base/java.lang.Iterable.forEach(Iterable.java:75)
+	at org.springframework.boot.SpringApplicationRunListeners.doWithListeners(SpringApplicationRunListeners.java:118)
+	at org.springframework.boot.SpringApplicationRunListeners.starting(SpringApplicationRunListeners.java:54)
+	at org.springframework.boot.SpringApplication.run(SpringApplication.java:315)
+	at com.mtkj.mtkjpay.MtkjpayApplication.main(MtkjpayApplication.java:33)