add missing comment

Author: andrewyuq

packages/core/src/codewhispererChat/controllers/chat/chatRequest/converter.ts

@@ -41,6 +41,8 @@ const customerMessageSizeLimit = 4_000
 export function triggerPayloadToChatRequest(triggerPayload: TriggerPayload): { conversationState: ConversationState } {
     // Flexible truncation logic
     let remainingPayloadSize = 100_000
+
+    // Type A context: Preserving user input as much as possible
     const userInputTruncationInfo = preserveContexts(triggerPayload, remainingPayloadSize, ChatContextType.UserInput)
 
     // Type B1(prompts) context: Preserving @prompt as much as possible