Add configurable beta test plans and staged rollout

src/routes/api/betas/[id]/+server.ts

@@ -2,6 +2,7 @@ import { json } from '@sveltejs/kit';
 import { db } from '$lib/server/db/index.js';
 import { getBeta, listBetaServers, listBetaScripts } from '$lib/server/fleet/beta.js';
 import { getScript, getVersion } from '$lib/server/fleet/scripts.js';
+import { testView } from '$lib/server/fleet/beta-tests.js';
 
 function parseId(raw: string): number | null {
     const n = Number.parseInt(raw, 10);
@@ -30,5 +31,5 @@ export async function GET({ params }: { params: { id: string } }) {
     const servers = listBetaServers(id);
 
     const events = db().prepare('SELECT id, created_at, message FROM beta_events WHERE beta_id = ? ORDER BY id').all(id);
-    return json({ beta, scripts, servers, events });
+    return json({ beta, scripts, servers, events, test: testView(id) });
 }