Fix lint warnings and tighten test mocks

src/commands/up.ts

@@ -0,0 +1,48 @@
+import type { CliDeps, RuntimeEnv } from "../index.js";
+import { waitForever as defaultWaitForever } from "../index.js";
+
+export async function upCommand(
+	opts: { port: string; path: string; verbose?: boolean; yes?: boolean },
+	deps: CliDeps,
+	runtime: RuntimeEnv,
+	waiter: typeof defaultWaitForever = defaultWaitForever,
+) {
+	const port = Number.parseInt(opts.port, 10);
+	if (Number.isNaN(port) || port <= 0 || port >= 65536) {
+		throw new Error("Port must be between 1 and 65535");
+	}
+
+	await deps.ensurePortAvailable(port);
+	const env = deps.readEnv(runtime);
+	await deps.ensureBinary("tailscale", undefined, runtime);
+	await deps.ensureFunnel(port, undefined, runtime);
+	const host = await deps.getTailnetHostname();
+	const publicUrl = `https://${host}${opts.path}`;
+	runtime.log(`🌐 Public webhook URL (via Funnel): ${publicUrl}`);
+
+	const server = await deps.startWebhook(
+		port,
+		opts.path,
+		undefined,
+		Boolean(opts.verbose),
+		runtime,
+	);
+
+	if (!deps.createClient) {
+		throw new Error("Twilio client dependency missing");
+	}
+	const twilioClient = deps.createClient(env);
+	const senderSid = await deps.findWhatsappSenderSid(
+		twilioClient,
+		env.whatsappFrom,
+		env.whatsappSenderSid,
+		runtime,
+	);
+	await deps.updateWebhook(twilioClient, senderSid, publicUrl, "POST", runtime);
+
+	runtime.log(
+		"\nSetup complete. Leave this process running to keep the webhook online. Ctrl+C to stop.",
+	);
+
+	return { server, publicUrl, senderSid, waiter };
+}