chore: adjusted langfuse service formatting

Author: jahilldev

api/src/langfuse/langfuse.service.ts

@@ -13,12 +13,20 @@ export class LangfuseService {
   private readonly buffers = new Map<string, LangfuseEvent[]>();
 
   verifyCredentials(authHeader: string | undefined): boolean {
-    if (!authHeader?.startsWith('Basic ')) return false;
+    if (!authHeader?.startsWith('Basic ')) {
+      return false;
+    }
+
     const decoded = Buffer.from(authHeader.slice(6), 'base64').toString();
     const colonIdx = decoded.indexOf(':');
-    if (colonIdx === -1) return false;
+
+    if (colonIdx === -1) {
+      return false;
+    }
+
     const pub = decoded.slice(0, colonIdx);
     const sec = decoded.slice(colonIdx + 1);
+
     return pub === LANGFUSE_PUBLIC_KEY && sec === LANGFUSE_SECRET_KEY;
   }
 
@@ -27,10 +35,15 @@ export class LangfuseService {
       this.subjects.set(sessionId, new Subject<LangfuseEvent>());
       this.buffers.set(sessionId, []);
     }
+
     const subject = this.subjects.get(sessionId)!;
     const buffer = this.buffers.get(sessionId)!;
+
     for (const ev of events) {
-      if (buffer.length >= BUFFER_EVENTS) buffer.shift();
+      if (buffer.length >= BUFFER_EVENTS) {
+        buffer.shift();
+      }
+
       buffer.push(ev);
       subject.next(ev);
     }