chore: update provider examples to use createTracker() factory (#1305)

Author: jsonbailey

packages/ai-providers/server-ai-langchain/README.md

@@ -92,7 +92,8 @@ const userMessage = new HumanMessage('What is the capital of France?');
 const allMessages = [...LangChainProvider.convertMessagesToLangChain(configMessages), userMessage];
 
 // Track the model call with LaunchDarkly tracking
-const response = await aiConfig.tracker.trackMetricsOf(
+const tracker = aiConfig.createTracker();
+const response = await tracker.trackMetricsOf(
   LangChainProvider.getAIMetricsFromResponse,
   () => llm.invoke(allMessages)
 );

packages/ai-providers/server-ai-openai/README.md

@@ -76,7 +76,8 @@ const userMessage = { role: 'user', content: 'What is the capital of France?' };
 const allMessages = [...configMessages, userMessage];
 
 // Track the model call with LaunchDarkly tracking
-const response = await aiConfig.tracker.trackMetricsOf(
+const tracker = aiConfig.createTracker();
+const response = await tracker.trackMetricsOf(
   OpenAIProvider.getAIMetricsFromResponse,
   () => client.chat.completions.create({
     model: 'gpt-4',

packages/ai-providers/server-ai-openai/src/OpenAIProvider.ts

@@ -210,7 +210,8 @@ export class OpenAIProvider extends AIProvider {
    * @returns LDAIMetrics with success status and token usage
    *
    * @example
-   * const response = await aiConfig.tracker.trackMetricsOf(
+   * const tracker = aiConfig.createTracker();
+   * const response = await tracker.trackMetricsOf(
    *   OpenAIProvider.getAIMetricsFromResponse,
    *   () => client.chat.completions.create(config)
    * );

packages/ai-providers/server-ai-vercel/README.md

@@ -92,7 +92,8 @@ const userMessage = { role: 'user', content: 'What is the capital of France?' };
 const allMessages = [...configMessages, userMessage];
 
 // Track the model call with LaunchDarkly tracking
-const response = await aiConfig.tracker.trackMetricsOf(
+const tracker = aiConfig.createTracker();
+const response = await tracker.trackMetricsOf(
   VercelProvider.getAIMetricsFromResponse,
   () => generateText({ model, messages: allMessages })
 );

packages/ai-providers/server-ai-vercel/src/VercelProvider.ts

@@ -181,7 +181,8 @@ export class VercelProvider extends AIProvider {
    * @returns LDAIMetrics with success status and token usage
    *
    * @example
-   * const response = await aiConfig.tracker.trackMetricsOf(
+   * const tracker = aiConfig.createTracker();
+   * const response = await tracker.trackMetricsOf(
    *   VercelProvider.getAIMetricsFromResponse,
    *   () => generateText(vercelConfig)
    * );
@@ -229,7 +230,8 @@ export class VercelProvider extends AIProvider {
    * @returns A Promise that resolves to LDAIMetrics
    *
    * @example
-   * const stream = aiConfig.tracker.trackStreamMetricsOf(
+   * const tracker = aiConfig.createTracker();
+   * const stream = tracker.trackStreamMetricsOf(
    *   () => streamText(vercelConfig),
    *   VercelProvider.getAIMetricsFromStream
    * );