diff --git a/apps/mono/src/context.ts b/apps/mono/src/context.ts
index 4ee09c1..bc0a700 100644
--- a/apps/mono/src/context.ts
+++ b/apps/mono/src/context.ts
@@ -1,4 +1,9 @@
 import type { SharedHonoEnv, SharedHonoVariables } from '@repo/hono-helpers/src/types'
+// Type-only import (erased at build) of the DO class this worker re-exports from its
+// entry. The parameter has to be here, not just on `match`'s Env: `scheduled` hands this
+// worker's superset Env straight to `matchScheduled`, and a bare `DurableObjectNamespace`
+// is not assignable to the `DurableObjectNamespace<NotificationsHub>` that one declares.
+import type { NotificationsHub } from '../../notify/src/notifications-hub'
 
 /**
  * Union of every mounted worker's bindings.
@@ -25,7 +30,7 @@ export type Env = SharedHonoEnv & {
 	RECFLARE_PLAYER_SETTINGS: KVNamespace
 	// Real-time notifications hub. The class is defined in `notify` and re-exported by
 	// this worker's entry so the binding resolves in-process (no `script_name`).
-	RECFLARE_NOTIFICATIONS_HUB: DurableObjectNamespace
+	RECFLARE_NOTIFICATIONS_HUB: DurableObjectNamespace<NotificationsHub>
 }
 
 export type Variables = SharedHonoVariables
diff --git a/apps/mono/vitest.config.ts b/apps/mono/vitest.config.ts
index de0d903..4d33f09 100644
--- a/apps/mono/vitest.config.ts
+++ b/apps/mono/vitest.config.ts
@@ -2,6 +2,13 @@ import { cloudflareTest } from '@cloudflare/vitest-pool-workers'
 import { defineConfig } from 'vitest/config'
 
 export default defineConfig({
+	test: {
+		// The facade bundles all 13 worker apps (see mono.app.ts), so the first request in
+		// a run pays a cold start for the lot of it — ~3.4s even on an idle machine. The
+		// 5s default leaves no headroom for that, and the whole-monorepo run puts 21
+		// projects on the CPU at once, which pushed these tests into flaky timeouts.
+		testTimeout: 30_000,
+	},
 	plugins: [
 		cloudflareTest({
 			wrangler: { configPath: `${__dirname}/wrangler.jsonc` },