Refactor default headers to be injected dynamically (#367)

src-web/lib/defaultHeaders.ts

@@ -0,0 +1,8 @@
+import type { HttpRequestHeader } from '@yaakapp-internal/models';
+import { invokeCmd } from './tauri';
+
+/**
+ * Global default headers fetched from the backend.
+ * These are static and fetched once on module load.
+ */
+export const defaultHeaders: HttpRequestHeader[] = await invokeCmd('cmd_default_headers');

src-web/lib/tauri.ts

@@ -12,6 +12,7 @@ type TauriCmd =
   | 'cmd_create_grpc_request'
   | 'cmd_curl_to_request'
   | 'cmd_decrypt_template'
+  | 'cmd_default_headers'
   | 'cmd_delete_all_grpc_connections'
   | 'cmd_delete_all_http_responses'
   | 'cmd_delete_send_history'