refactor: make provisioning own instance lifecycle operations

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

@@ -2,6 +2,7 @@ import { json } from '@sveltejs/kit';
 import { db } from '$lib/server/db/index.js';
 import { emit, type BetaStage } from '$lib/server/pipeline/bus.js';
 import { storedPlan } from '$lib/server/fleet/beta-tests.js';
+import { releaseRestartRequest } from '$lib/server/provisioning/index.js';
 
 function parseId(raw: string): number | null {
     const n = Number.parseInt(raw, 10);
@@ -28,6 +29,7 @@ export async function POST({ params, request }: { params: { id: string }; reques
     // Best-effort resume point: if we already got past restart, go back to
     // health check; otherwise back to waiting for the server to be empty.
     const nextStage: BetaStage = row.restarted_at ? 'awaiting-health' : 'awaiting-empty';
+    if (!row.restarted_at) releaseRestartRequest(body.server, { kind: 'beta', id: String(betaId) });
     const now = new Date().toISOString();
     db()
         .prepare('UPDATE beta_servers SET stage = ?, error = NULL, updated_at = ? WHERE beta_id = ? AND server = ?')

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

@@ -1,4 +1,5 @@
 import { json } from '@sveltejs/kit';
+import { releaseRestartRequest } from '$lib/server/provisioning/index.js';
 import { db } from '$lib/server/db/index.js';
 import { getBeta } from '$lib/server/fleet/beta.js';
 import { activity, currentRun, evidence, readMetrics, saveMetrics, setOutcome, storedPlan } from '$lib/server/fleet/beta-tests.js';
@@ -50,6 +51,8 @@ export async function POST({ params, request }: { params: { id: string }; reques
             if (stored.outcome === 'inconclusive') throw new Error('The testing window ended. Roll back and open a new beta with a longer deadline');
             if (db().prepare("SELECT 1 FROM beta_servers WHERE beta_id = ? AND error LIKE 'deploy:%'").get(id)) throw new Error('Deployment was incomplete. Roll back before opening a fresh beta');
             db().transaction(() => {
+                const servers = db().prepare('SELECT server FROM beta_servers WHERE beta_id = ?').all(id) as { server: string }[];
+                for (const { server } of servers) releaseRestartRequest(server, { kind: 'beta', id: String(id) });
                 db().prepare('UPDATE beta_test_runs SET retired_at = ? WHERE beta_id = ? AND retired_at IS NULL').run(new Date().toISOString(), id);
                 db().prepare("UPDATE beta_servers SET stage = 'awaiting-empty', error = NULL, restarted_at = NULL, healthy_at = NULL WHERE beta_id = ? AND deployed_at IS NOT NULL AND error NOT LIKE 'deploy:%'").run(id);
                 // SQL NULL does not satisfy NOT LIKE.