feat: v0.8.0 — player-actions API: accept/dispatch/buy/sell/refuel endpoints (tick-first, full-snapshot responses), spawn coverage rule, test create-contract hook

app/api/contracts/[id]/accept/route.ts

@@ -0,0 +1,10 @@
+import { acceptContract, performAction } from '@/lib/game/actions';
+
+// POST /api/contracts/:id/accept (v0.8.0) — claim an open contract: status flips
+// open → accepted. 404 unknown id; 409 if the contract is not 'open' (accepted /
+// completed / expired). No body. On success returns the full state snapshot.
+
+export async function POST(_req: Request, ctx: { params: Promise<{ id: string }> }) {
+  const { id } = await ctx.params;
+  return performAction((inst) => acceptContract(inst, id));
+}