Add configurable beta test plans and staged rollout

src/routes/api/betas/+server.ts

@@ -8,6 +8,8 @@ import {
 } from '$lib/server/fleet/beta.js';
 import { getScript, getVersion } from '$lib/server/fleet/scripts.js';
 import { kick } from '$lib/server/pipeline/worker.js';
+import { parseBetaPlan, type BetaPlan } from '$lib/beta-plan.js';
+import { storedPlan } from '$lib/server/fleet/beta-tests.js';
 
 export async function GET({ url }: { url: URL }) {
     const stateFilter = url.searchParams.get('state') as
@@ -32,6 +34,7 @@ export async function GET({ url }: { url: URL }) {
         });
         return {
             ...b,
+            testOutcome: storedPlan(b.id)?.outcome ?? null,
             scripts,
             servers: listBetaServers(b.id)
         };
@@ -51,7 +54,9 @@ export async function POST({ request }: { request: Request }) {
         waitForHealth?: boolean;
         waitForMatch?: boolean;
         notes?: string;
+        testPlan?: BetaPlan;
     };
+    if (!body || typeof body !== 'object' || Array.isArray(body)) return json({ ok: false, error: 'Expected a JSON object' }, { status: 400 });
 
     // Normalize into the openBeta shape. Both fields feed the same list.
     const rawEntries: Array<{ scriptId?: number; scriptVersionId?: number }> = [];
@@ -82,7 +87,11 @@ export async function POST({ request }: { request: Request }) {
     }
 
     try {
+        let testPlan: BetaPlan | undefined;
+        try { if (body.testPlan !== undefined) testPlan = parseBetaPlan(body.testPlan); }
+        catch (error) { return json({ ok: false, error: (error as Error).message }, { status: 400 }); }
         const result = await openBeta({
+            testPlan,
             scripts: normalized,
             servers: body.servers,
             waitForHealth: body.waitForHealth ?? true,