feature/refactor: smartfeeds to reduce the client complexity

public/js/api.js

@@ -1,5 +1,10 @@
 const api = {
-	fetch: async function (url, options = { method: "GET" }) {
+	fetch: async function (url, __options) {
+		const options = {
+			method: "GET",
+			...__options,
+		};
+
 		const session_id = (document.cookie.match(
 			/^(?:.*;)?\s*session_id\s*=\s*([^;]+)(?:.*)?$/,
 		) || [, null])[1];
@@ -19,6 +24,7 @@ const api = {
 		const fetch_options = {
 			method: options.method,
 			headers,
+			signal: options.signal,
 		};
 
 		if (options.json) {