add endChat message

Author: samgst-amazon

plugins/amazonq/chat/jetbrains-community/src/software/aws/toolkits/jetbrains/services/amazonq/webview/BrowserConnector.kt

@@ -32,6 +32,8 @@ import software.aws.toolkits.jetbrains.services.amazonq.lsp.model.aws.chat.ChatP
 import software.aws.toolkits.jetbrains.services.amazonq.lsp.model.aws.chat.ChatPrompt
 import software.aws.toolkits.jetbrains.services.amazonq.lsp.model.aws.chat.CursorState
 import software.aws.toolkits.jetbrains.services.amazonq.lsp.model.aws.chat.EncryptedChatParams
+import software.aws.toolkits.jetbrains.services.amazonq.lsp.model.aws.chat.EndChatParams
+import software.aws.toolkits.jetbrains.services.amazonq.lsp.model.aws.chat.LspCommands
 import software.aws.toolkits.jetbrains.services.amazonq.lsp.model.aws.chat.SendChatPromptRequest
 import software.aws.toolkits.jetbrains.services.amazonq.util.command
 import software.aws.toolkits.jetbrains.services.amazonq.util.tabType
@@ -193,6 +195,17 @@ class BrowserConnector(
                     browser.postChat(messageToChat)
                 }
             }
+
+            LspCommands.END_CHAT -> {
+                val requestFromUi = jacksonObjectMapper().readValue(node.toString(), EndChatParams::class.java)
+
+                val endChatParams = EndChatParams(requestFromUi.tabId)
+                val result = AmazonQLspService.executeIfRunning(project) { server ->
+                    server.endChat(endChatParams)
+                } ?: CompletableFuture.failedFuture(IllegalStateException("LSP Server not running"))
+
+                println(result)
+            }
         }
     }
 }

plugins/amazonq/shared/jetbrains-community/src/software/aws/toolkits/jetbrains/services/amazonq/lsp/AmazonQLanguageServer.kt

@@ -10,6 +10,7 @@ import org.eclipse.lsp4j.services.LanguageServer
 import software.aws.toolkits.jetbrains.services.amazonq.lsp.model.aws.GetConfigurationFromServerParams
 import software.aws.toolkits.jetbrains.services.amazonq.lsp.model.aws.LspServerConfigurations
 import software.aws.toolkits.jetbrains.services.amazonq.lsp.model.aws.chat.EncryptedChatParams
+import software.aws.toolkits.jetbrains.services.amazonq.lsp.model.aws.chat.EndChatParams
 import software.aws.toolkits.jetbrains.services.amazonq.lsp.model.aws.credentials.UpdateCredentialsPayload
 import software.aws.toolkits.jetbrains.services.amazonq.lsp.model.aws.dependencies.DidChangeDependencyPathsParams
 import java.util.concurrent.CompletableFuture
@@ -33,4 +34,7 @@ interface AmazonQLanguageServer : LanguageServer {
 
     @JsonRequest("aws/chat/sendChatPrompt")
     fun sendChatPrompt(params: EncryptedChatParams): CompletableFuture<String>
+
+    @JsonRequest("aws/chat/endChat")
+    fun endChat(params: EndChatParams) : CompletableFuture<Boolean>
 }

plugins/amazonq/shared/jetbrains-community/src/software/aws/toolkits/jetbrains/services/amazonq/lsp/model/aws/chat/EndChat.kt

@@ -0,0 +1,12 @@
+// Copyright 2025 Amazon.com, Inc. or its affiliates. All Rights Reserved.
+// SPDX-License-Identifier: Apache-2.0
+
+package software.aws.toolkits.jetbrains.services.amazonq.lsp.model.aws.chat
+
+data class EndChatParams(
+    val tabId: String
+)
+
+data class EndChatResult(
+    val status: Boolean
+)

plugins/amazonq/shared/jetbrains-community/src/software/aws/toolkits/jetbrains/services/amazonq/lsp/model/aws/chat/LspCommands.kt

@@ -0,0 +1,8 @@
+// Copyright 2025 Amazon.com, Inc. or its affiliates. All Rights Reserved.
+// SPDX-License-Identifier: Apache-2.0
+
+package software.aws.toolkits.jetbrains.services.amazonq.lsp.model.aws.chat
+
+object LspCommands{
+    const val END_CHAT = "aws/chat/endChat"
+}