Resume straight into the next node after finishing a level

continueAfterGoal sent non-level next nodes to '/' (the splash), forcing a
manual Resume; use the /?resume=1 fast-path so the debrief dialogue plays
immediately, matching the phone-connect handoff.

Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com>

src/App.tsx

@@ -458,7 +458,7 @@ export function App() {
       if (!response.ok) { setStatus('OBJECTIVE COMPLETE · STORY ADVANCE UNAVAILABLE'); return }
       const next = await response.json() as PlaythroughState
       if (next.node?.kind === 'level' && next.node.levelSlug) window.location.assign(`/level/${encodeURIComponent(next.node.levelSlug)}`)
-      else window.location.assign('/')
+      else window.location.assign('/?resume=1') // resume straight into the next node, not the splash
     } finally { setAdvancing(false) }
   }