refactor(api): tidy the api and shared packages (#2733)

fluxer_api/pkgs/http_client/src/HttpClientDiagnostics.ts

@@ -0,0 +1,10 @@
+export function formatUrlForDiagnostics(value: string | URL): string {
+	const url = typeof value === 'string' ? URL.parse(value) : value;
+	if (!url) {
+		return '[invalid URL]';
+	}
+	if (url.protocol !== 'http:' && url.protocol !== 'https:') {
+		return '[non-HTTP URL]';
+	}
+	return url.origin;
+}