feat(save): persist action queue in v1 save payload

src/engine/__tests__/save.test.ts

@@ -44,6 +44,15 @@ describe('createSave()', () => {
     state.resources.gold = 999;
     expect(save.state.resources.gold).toBe(12);
   });
+
+  it('snapshots actionQueue in save payload', () => {
+    const state = sampleState();
+    state.actionQueue = ['forage', 'forage'];
+    const save = createSave(state, 1700);
+    expect(save.state.actionQueue).toEqual(['forage', 'forage']);
+    state.actionQueue.push('forage');
+    expect(save.state.actionQueue).toEqual(['forage', 'forage']);
+  });
 });
 
 describe('serialize / deserialize round-trip', () => {

src/engine/save.ts

@@ -28,6 +28,7 @@ export const gameStateSchema = z.object({
   resources: z.record(z.string(), z.number()),
   activeActionId: z.string().nullable(),
   actionElapsedMs: z.number().nonnegative(),
+  actionQueue: z.array(z.string()).default([]),
 });
 
 export const saveSchema = z.object({
@@ -47,6 +48,7 @@ export function createSave(state: GameState, now: number): SaveData {
       resources: { ...state.resources },
       activeActionId: state.activeActionId,
       actionElapsedMs: state.actionElapsedMs,
+      actionQueue: [...state.actionQueue],
     },
   };
 }