🐛 fix(jvm): 强化变更确认令牌校验

将 JVM 变更确认从可重算校验值升级为服务端发放的一次性令牌，避免未预览、重放或上下文变更后继续执行高风险变更。

frontend/wailsjs/go/models.ts

@@ -948,6 +948,7 @@ export namespace jvm {
 	    reason: string;
 	    source?: string;
 	    expectedVersion?: string;
+	    confirmationToken?: string;
 	    payload?: Record<string, any>;
 	
 	    static createFrom(source: any = {}) {
@@ -962,6 +963,7 @@ export namespace jvm {
 	        this.reason = source["reason"];
 	        this.source = source["source"];
 	        this.expectedVersion = source["expectedVersion"];
+	        this.confirmationToken = source["confirmationToken"];
 	        this.payload = source["payload"];
 	    }
 	}