feat(amazonq): add OpenSettings params and notification models (#5682)

Add data classes for handling settings-related operations:
- OpenSettingsParams for settings key parameters
- OpenSettingsNotification for chat notifications
- Add constant for workspace settings key

Author: andrewyuq

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

@@ -7,6 +7,8 @@ import com.fasterxml.jackson.databind.JsonNode
 import com.google.gson.Gson
 import com.intellij.ide.BrowserUtil
 import com.intellij.ide.util.RunOnceUtil
+import com.intellij.openapi.application.runInEdt
+import com.intellij.openapi.options.ShowSettingsUtil
 import com.intellij.openapi.project.Project
 import com.intellij.ui.jcef.JBCefJSQuery.Response
 import kotlinx.coroutines.CompletableDeferred
@@ -85,6 +87,9 @@ import software.aws.toolkits.jetbrains.services.amazonq.lsp.model.aws.chat.Inser
 import software.aws.toolkits.jetbrains.services.amazonq.lsp.model.aws.chat.LinkClickNotification
 import software.aws.toolkits.jetbrains.services.amazonq.lsp.model.aws.chat.LinkClickParams
 import software.aws.toolkits.jetbrains.services.amazonq.lsp.model.aws.chat.ListConversationsRequest
+import software.aws.toolkits.jetbrains.services.amazonq.lsp.model.aws.chat.OPEN_SETTINGS
+import software.aws.toolkits.jetbrains.services.amazonq.lsp.model.aws.chat.OPEN_WORKSPACE_SETTINGS_KEY
+import software.aws.toolkits.jetbrains.services.amazonq.lsp.model.aws.chat.OpenSettingsNotification
 import software.aws.toolkits.jetbrains.services.amazonq.lsp.model.aws.chat.OpenTabResponse
 import software.aws.toolkits.jetbrains.services.amazonq.lsp.model.aws.chat.PROMPT_INPUT_OPTIONS_CHANGE
 import software.aws.toolkits.jetbrains.services.amazonq.lsp.model.aws.chat.PromptInputOptionChangeNotification
@@ -104,6 +109,7 @@ import software.aws.toolkits.jetbrains.services.amazonq.util.command
 import software.aws.toolkits.jetbrains.services.amazonq.util.tabType
 import software.aws.toolkits.jetbrains.services.amazonq.webview.theme.AmazonQTheme
 import software.aws.toolkits.jetbrains.services.amazonq.webview.theme.ThemeBrowserAdapter
+import software.aws.toolkits.jetbrains.services.codewhisperer.settings.CodeWhispererConfigurable
 import software.aws.toolkits.jetbrains.settings.MeetQSettings
 import software.aws.toolkits.resources.AwsCoreBundle
 import software.aws.toolkits.telemetry.MetricResult
@@ -470,6 +476,13 @@ class BrowserConnector(
                 )
                 browser.postChat(uiMessage)
             }
+            OPEN_SETTINGS -> {
+                val openSettingsNotification = serializer.deserializeChatMessages<OpenSettingsNotification>(node)
+                if (openSettingsNotification.params.settingKey != OPEN_WORKSPACE_SETTINGS_KEY) return
+                runInEdt {
+                    ShowSettingsUtil.getInstance().showSettingsDialog(browser.project, CodeWhispererConfigurable::class.java)
+                }
+            }
         }
     }
 

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

@@ -34,3 +34,4 @@ const val GET_SERIALIZED_CHAT_REQUEST_METHOD = "aws/chat/getSerializedChat"
 const val OPEN_FILE_DIFF = "aws/openFileDiff"
 const val CHAT_ERROR_PARAMS = "errorMessage"
 const val STOP_CHAT_RESPONSE = "stopChatResponse"
+const val OPEN_SETTINGS = "openSettings"

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

@@ -0,0 +1,15 @@
+// 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 OpenSettingsParams(
+    val settingKey: String,
+)
+
+data class OpenSettingsNotification(
+    override val command: String,
+    override val params: OpenSettingsParams,
+) : ChatNotification<OpenSettingsParams>
+
+const val OPEN_WORKSPACE_SETTINGS_KEY = "amazonQ.workspaceIndex"