feat: enhance evobgp with new command-line tools for bundle management, including pull, verify, and apply functionalities. Update go.mod to include necessary dependencies and complete todos in architecture plan for improved observability and deployment practices.

web/src/lib/api/client.ts

@@ -0,0 +1,47 @@
+import { browser } from '$app/environment';
+
+export const TOKEN_STORAGE_KEY = 'evobgp_api_token';
+
+export type Problem = {
+	title?: string;
+	status?: number;
+	detail?: string;
+};
+
+function mergeHeaders(init?: RequestInit): Headers {
+	const h = new Headers(init?.headers);
+	if (!h.has('Accept')) {
+		h.set('Accept', 'application/json');
+	}
+	if (browser) {
+		const t = localStorage.getItem(TOKEN_STORAGE_KEY);
+		if (t && !h.has('Authorization')) {
+			h.set('Authorization', `Bearer ${t}`);
+		}
+	}
+	return h;
+}
+
+export async function apiFetch(path: string, init?: RequestInit): Promise<Response> {
+	if (!browser) {
+		throw new Error('API is only available in the browser');
+	}
+	return fetch(path, { ...init, headers: mergeHeaders(init) });
+}
+
+export async function apiJSON<T>(path: string, init?: RequestInit): Promise<T> {
+	const res = await apiFetch(path, init);
+	const text = await res.text();
+	if (!res.ok) {
+		let detail = text;
+		try {
+			const j = JSON.parse(text) as Problem;
+			if (j?.detail) detail = j.detail;
+		} catch {
+			/* plain text */
+		}
+		throw new Error(detail || `HTTP ${res.status}`);
+	}
+	if (!text) return undefined as T;
+	return JSON.parse(text) as T;
+}