chore: update CHANGELOG.md to include Request ID tracing for debugging, enhancing request tracking across services, and update API client to propagate Request ID in headers

lib/api/client.ts

@@ -1,8 +1,10 @@
 /**
  * HTTP client wrapper for API calls
+ * Includes Request ID propagation for debugging across services
  */
 
 import { authMessageFromStatus, AUTH_ERROR_MESSAGES } from '@ciphera-net/ui'
+import { generateRequestId, getRequestIdHeader, setLastRequestId } from '@/lib/utils/requestId'
 
 /** Request timeout in ms; network errors surface as user-facing "Network error, please try again." */
 const FETCH_TIMEOUT_MS = 30_000
@@ -180,8 +182,13 @@ async function apiRequest<T>(
     ? `${baseUrl}${endpoint}`
     : `${baseUrl}/api/v1${endpoint}`
 
+  // * Generate and store request ID for tracing
+  const requestId = generateRequestId()
+  setLastRequestId(requestId)
+
   const headers: Record<string, string> = {
     'Content-Type': 'application/json',
+    [getRequestIdHeader()]: requestId,
   }
   
   // * Merge any additional headers from options