Remove Authorization field if token is not set

Author: intitni

Core/Sources/OpenAIService/CompletionStreamAPI.swift

@@ -70,7 +70,9 @@ struct OpenAICompletionStreamAPI: CompletionStreamAPI {
         let encoder = JSONEncoder()
         request.httpBody = try encoder.encode(requestBody)
         request.setValue("application/json", forHTTPHeaderField: "Content-Type")
-        request.setValue("Bearer \(apiKey)", forHTTPHeaderField: "Authorization")
+        if !apiKey.isEmpty {
+            request.setValue("Bearer \(apiKey)", forHTTPHeaderField: "Authorization")
+        }
 
         let (result, response) = try await URLSession.shared.bytes(for: request)
         guard let response = response as? HTTPURLResponse else {