pass logger to ai providers

Author: jsonbailey

packages/sdk/server-ai/src/api/chat/TrackedChatFactory.ts

@@ -83,7 +83,7 @@ export class TrackedChatFactory {
       // eslint-disable-next-line import/no-extraneous-dependencies, global-require
       const { LangChainProvider } = require('@launchdarkly/server-sdk-ai-langchain');
 
-      const provider = await LangChainProvider.create(aiConfig);
+      const provider = await LangChainProvider.create(aiConfig, logger);
       logger?.debug('Successfully created LangChain provider');
       return provider;
     } catch (error) {

packages/sdk/server-ai/src/api/providers/AIProvider.ts

@@ -1,3 +1,5 @@
+import { LDLogger } from '@launchdarkly/js-server-sdk-common';
+
 import { ChatResponse } from '../chat/types';
 import { LDAIConfig, LDMessage } from '../config/LDAIConfig';
 
@@ -10,6 +12,11 @@ import { LDAIConfig, LDMessage } from '../config/LDAIConfig';
  * for better extensibility and backwards compatibility.
  */
 export abstract class AIProvider {
+  protected readonly logger?: LDLogger;
+
+  constructor(logger?: LDLogger) {
+    this.logger = logger;
+  }
   /**
    * Invoke the chat model with an array of messages.
    * This method should convert messages to provider format, invoke the model,
@@ -26,10 +33,11 @@ export abstract class AIProvider {
    * that accepts an AIConfig and returns a configured instance.
    *
    * @param aiConfig The LaunchDarkly AI configuration
+   * @param logger Optional logger for the provider
    * @returns Promise that resolves to a configured provider instance
    */
   // eslint-disable-next-line @typescript-eslint/no-unused-vars
-  static async create(aiConfig: LDAIConfig): Promise<AIProvider> {
+  static async create(aiConfig: LDAIConfig, logger?: LDLogger): Promise<AIProvider> {
     throw new Error('Provider implementations must override the static create method');
   }
 }