feat(amazonq): enable @sage, pass feature config to mynahUI (#5683)

Author: leigaol

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

@@ -9,6 +9,7 @@ import com.intellij.openapi.project.Project
 import com.intellij.openapi.util.Disposer
 import com.intellij.ui.jcef.JBCefJSQuery
 import org.cef.CefApp
+import software.aws.toolkits.jetbrains.services.amazonq.CodeWhispererFeatureConfigService
 import software.aws.toolkits.jetbrains.services.amazonq.lsp.AmazonQLspService
 import software.aws.toolkits.jetbrains.services.amazonq.lsp.flareChat.AwsServerCapabilitiesProvider
 import software.aws.toolkits.jetbrains.services.amazonq.profile.QRegionProfile
@@ -154,7 +155,7 @@ class Browser(parent: Disposable, private val webUri: URI, val project: Project)
                         pairProgrammingAcknowledged: ${!MeetQSettings.getInstance().amazonQChatPairProgramming}
                         },
                         hybridChatConnector,
-                        {}
+                        ${CodeWhispererFeatureConfigService.getInstance().getFeatureConfigJsonString()}
                      
                     );
                 }

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

@@ -1,8 +1,10 @@
 // Copyright 2024 Amazon.com, Inc. or its affiliates. All Rights Reserved.
 // SPDX-License-Identifier: Apache-2.0
 
+@file:Suppress("BannedImports")
 package software.aws.toolkits.jetbrains.services.amazonq
 
+import com.google.gson.Gson
 import com.intellij.openapi.components.Service
 import com.intellij.openapi.components.service
 import com.intellij.openapi.project.Project
@@ -17,7 +19,6 @@ import software.aws.toolkits.jetbrains.core.credentials.pinning.QConnection
 import software.aws.toolkits.jetbrains.services.amazonq.profile.QRegionProfileManager
 import software.aws.toolkits.jetbrains.services.codewhisperer.customization.CodeWhispererCustomization
 import software.aws.toolkits.jetbrains.utils.isQExpired
-
 @Service
 class CodeWhispererFeatureConfigService {
     private val featureConfigs = mutableMapOf<String, FeatureContext>()
@@ -82,6 +83,17 @@ class CodeWhispererFeatureConfigService {
 
     fun getChatWSContext(): Boolean = getFeatureValueForKey(CHAT_WS_CONTEXT).stringValue() == "TREATMENT"
 
+    // convert into mynahUI parsable string
+    // format: '[["key1", {"name":"Feature1","variation":"A","value":true}]]'
+    fun getFeatureConfigJsonString(): String {
+        val jsonString = featureConfigs.entries.map { (key, value) ->
+            "[\"$key\",${Gson().toJson(value)}]"
+        }
+        return """
+            '$jsonString'
+        """.trimIndent()
+    }
+
     // Get the feature value for the given key.
     // In case of a misconfiguration, it will return a default feature value of Boolean false.
     private fun getFeatureValueForKey(name: String): FeatureValue =