Improve compatibility for older browsers and react native

package.json

@@ -65,7 +65,6 @@
     "webpack-cli": "^5.1.4"
   },
   "dependencies": {
-    "buffer": "^6.0.3",
-    "nanoid": "^5.1.5"
+    "buffer": "^6.0.3"
   }
 }

src/AnamClient.ts

@@ -1,5 +1,5 @@
-import { nanoid } from 'nanoid';
 import { ClientError, ErrorCode } from './lib/ClientError';
+import { generateCorrelationId } from './lib/correlationId';
 import {
   ClientMetricMeasurement,
   DEFAULT_ANAM_API_VERSION,
@@ -276,7 +276,7 @@ export default class AnamClient {
       throw new Error('Already streaming');
     }
     // generate a new ID here to track the attempt
-    const attemptCorrelationId = nanoid();
+    const attemptCorrelationId = generateCorrelationId();
     setMetricsContext({
       attemptCorrelationId,
       sessionId: null, // reset sessionId
@@ -342,7 +342,7 @@ export default class AnamClient {
     userProvidedAudioStream?: MediaStream,
   ): Promise<void> {
     // generate a new ID here to track the attempt
-    const attemptCorrelationId = nanoid();
+    const attemptCorrelationId = generateCorrelationId();
     setMetricsContext({
       attemptCorrelationId,
       sessionId: null, // reset sessionId

src/lib/correlationId.ts

@@ -0,0 +1,9 @@
+export function generateCorrelationId() {
+  // Try native crypto.randomUUID() first (supported in modern browsers)
+  if (typeof crypto !== 'undefined' && crypto.randomUUID) {
+    return crypto.randomUUID();
+  }
+
+  // Fallback for older environments and older react native
+  return Date.now().toString(36) + Math.random().toString(36).substr(2, 9);
+}