Fail to get `/dev` response if we leave the tab

[JoeShi]

Describe the bug
"I'm sorry, I'm having trouble producing your code. Please try again." When executing the /dev agent

To reproduce

1. Execute a /dev task in the chat panel
2. Keep the tab open, but leave, and open a new tab

Expected behavior
No error message

Screenshots

Your Environment

• OS: macOS 15.3.1
• JetBrains product: PyCharm
• JetBrains product version: 2024.3.2
• AWS Toolkit version: 3.56-243;
• SAM CLI version:
• JVM/Python version:

Additional context

Failed to parse downloaded code results

com.fasterxml.jackson.databind.exc.UnrecognizedPropertyException: Unrecognized field "metadata" (class software.aws.toolkits.jetbrains.services.amazonqFeatureDev.session.CodeGenerationStreamResult), not marked as ignorable (3 known properties: "references", "deleted_files", "new_file_contents"])
 at [Source: REDACTED (`StreamReadFeature.INCLUDE_SOURCE_IN_LOCATION` disabled); line: 1, column: 897] (through reference chain: software.aws.toolkits.jetbrains.services.amazonqFeatureDev.session.ExportTaskAssistResultArchiveStreamResult["code_generation_result"]->software.aws.toolkits.jetbrains.services.amazonqFeatureDev.session.CodeGenerationStreamResult["metadata"])
	at com.fasterxml.jackson.databind.exc.UnrecognizedPropertyException.from(UnrecognizedPropertyException.java:61)
	at com.fasterxml.jackson.databind.DeserializationContext.handleUnknownProperty(DeserializationContext.java:1153)
	at com.fasterxml.jackson.databind.deser.std.StdDeserializer.handleUnknownProperty(StdDeserializer.java:2241)
	at com.fasterxml.jackson.databind.deser.BeanDeserializerBase.handleUnknownProperty(BeanDeserializerBase.java:1793)
	at com.fasterxml.jackson.databind.deser.BeanDeserializerBase.handleUnknownVanilla(BeanDeserializerBase.java:1771)
	at com.fasterxml.jackson.databind.deser.BeanDeserializer.deserialize(BeanDeserializer.java:279)
	at com.fasterxml.jackson.databind.deser.BeanDeserializer._deserializeUsingPropertyBased(BeanDeserializer.java:470)
	at com.fasterxml.jackson.databind.deser.BeanDeserializerBase.deserializeFromObjectUsingNonDefault(BeanDeserializerBase.java:1493)
	at com.fasterxml.jackson.databind.deser.BeanDeserializer.deserializeFromObject(BeanDeserializer.java:348)
	at com.fasterxml.jackson.databind.deser.BeanDeserializer.deserialize(BeanDeserializer.java:185)
	at com.fasterxml.jackson.databind.deser.SettableBeanProperty.deserialize(SettableBeanProperty.java:545)
	at com.fasterxml.jackson.databind.deser.BeanDeserializer._deserializeWithErrorWrapping(BeanDeserializer.java:576)
	at com.fasterxml.jackson.databind.deser.BeanDeserializer._deserializeUsingPropertyBased(BeanDeserializer.java:446)
	at com.fasterxml.jackson.databind.deser.BeanDeserializerBase.deserializeFromObjectUsingNonDefault(BeanDeserializerBase.java:1493)
	at com.fasterxml.jackson.databind.deser.BeanDeserializer.deserializeFromObject(BeanDeserializer.java:348)
	at com.fasterxml.jackson.databind.deser.BeanDeserializer.deserialize(BeanDeserializer.java:185)
	at com.fasterxml.jackson.databind.deser.DefaultDeserializationContext.readRootValue(DefaultDeserializationContext.java:342)
	at com.fasterxml.jackson.databind.ObjectMapper._readMapAndClose(ObjectMapper.java:4905)
	at com.fasterxml.jackson.databind.ObjectMapper.readValue(ObjectMapper.java:3926)
	at software.aws.toolkits.jetbrains.services.amazonqFeatureDev.util.FeatureDevService.exportTaskAssistArchiveResult(FeatureDevService.kt:284)
	at software.aws.toolkits.jetbrains.services.amazonqFeatureDev.util.FeatureDevService$exportTaskAssistArchiveResult$1.invokeSuspend(FeatureDevService.kt)
	at kotlin.coroutines.jvm.internal.BaseContinuationImpl.resumeWith(ContinuationImpl.kt:33)
	at kotlinx.coroutines.DispatchedTask.run(DispatchedTask.kt:104)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1144)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:642)
	at java.base/java.util.concurrent.Executors$PrivilegedThreadFactory$1$1.run(Executors.java:735)
	at java.base/java.util.concurrent.Executors$PrivilegedThreadFactory$1$1.run(Executors.java:732)
	at java.base/java.security.AccessController.doPrivileged(AccessController.java:400)
	at java.base/java.util.concurrent.Executors$PrivilegedThreadFactory$1.run(Executors.java:732)
	at java.base/java.lang.Thread.run(Thread.java:1583)