feat(web): make produced-file overflow discoverable

packages/client/runtime/tests/wire-events.spec.ts

@@ -24,6 +24,10 @@ async function mount(): Promise<Bench> {
   const handle: ConnectionHandle = {
     api,
     isLoopback: true,
+    hostDescription: {
+      getSnapshot: () => undefined,
+      subscribe: () => () => {},
+    },
     rpc: {
       call: () => Promise.reject(new Error('unexpected generic RPC call')),
     },
@@ -83,8 +87,9 @@ describe('wire event bridge', () => {
     const bench = await mount()
     let resets = 0
     bench.ctx.on('connection/reset', () => { resets++ })
-    bench.sinks?.onConnected?.()
-    bench.sinks?.onConnected?.() // second generation after a reconnect
+    const description = { version: '0', cwd: '/f', attachedSessions: 0, canOpenPath: true }
+    bench.sinks?.onConnected?.(description)
+    bench.sinks?.onConnected?.(description) // second generation after a reconnect
     expect(resets).toBe(2)
   })
 })