provide server-client handshake for model selection enabling

Author: zuoyaofu

package-lock.json

@@ -149,7 +149,7 @@ class Browser(parent: Disposable, private val webUri: URI, val project: Project)
                         {
                         agenticMode: true,
                         quickActionCommands: commands,
-                        modelSelectionEnabled: true,
+                        modelSelectionEnabled: ${isModelSelectionEnabled()},
                         disclaimerAcknowledged: ${MeetQSettings.getInstance().disclaimerAcknowledged},
                         pairProgrammingAcknowledged: ${MeetQSettings.getInstance().pairProgrammingAcknowledged}
                         },
@@ -263,6 +263,8 @@ class Browser(parent: Disposable, private val webUri: URI, val project: Project)
         .let { OBJECT_MAPPER.writeValueAsString(it) }
         ?: "[]"
 
+    private fun isModelSelectionEnabled() = AwsServerCapabilitiesProvider.getInstance(project).getChatOptions().modelSelection == true
+
     companion object {
         private const val MAX_ONBOARDING_PAGE_COUNT = 3
         private val OBJECT_MAPPER = jacksonObjectMapper()

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

@@ -425,17 +425,6 @@ class AmazonQLanguageClientImpl(private val project: Project) : AmazonQLanguageC
         return CompletableFuture.completedFuture(Unit)
     }
 
-    override fun sendChatOptionsUpdate(params: LSPAny): CompletableFuture<Unit> {
-        val chatManager = ChatCommunicationManager.getInstance(project)
-        chatManager.notifyUi(
-            FlareUiMessage(
-                command = CHAT_OPTIONS_UPDATE_NOTIFICATION,
-                params = params,
-            )
-        )
-        return CompletableFuture.completedFuture(Unit)
-    }
-
     override fun appendFile(params: FileParams) = refreshVfs(params.path)
 
     override fun createDirectory(params: FileParams) = refreshVfs(params.path)

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

@@ -34,7 +34,8 @@ class AwsServerCapabilitiesProvider {
             ),
             history = true,
             export = true,
-            mcpServers = true
+            mcpServers = true,
+            modelSelection = true
         )
     }
 }
@@ -48,6 +49,7 @@ data class ChatOptions(
     val history: Boolean,
     val export: Boolean,
     val mcpServers: Boolean,
+    val modelSelection: Boolean,
 )
 
 data class QuickActions(

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

@@ -22,7 +22,6 @@ const val CHAT_LIST_CONVERSATIONS = "aws/chat/listConversations"
 const val CHAT_OPEN_TAB = "aws/chat/openTab"
 const val CHAT_OPTIONS_UPDATE_NOTIFICATION = "aws/chat/chatOptionsUpdate"
 const val CHAT_PROMPT_OPTION_ACKNOWLEDGED = "chatPromptOptionAcknowledged"
-const val CHAT_OPTIONS_UPDATE_NOTIFICATION = "aws/chat/chatOptionsUpdate"
 const val CHAT_QUICK_ACTION = "aws/chat/sendChatQuickAction"
 const val CHAT_READY = "aws/chat/ready"
 const val CHAT_SEND_CONTEXT_COMMANDS = "aws/chat/sendContextCommands"