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

src/state/__tests__/persistence.test.ts

@@ -1,6 +1,6 @@
 import { describe, expect, it } from 'vitest';
 import { buildContent } from '../../content/schema';
-import { createGameState, startAction } from '../../engine/game';
+import { createGameState, enqueueAction, startAction } from '../../engine/game';
 import { createSave, serializeSave } from '../../engine/save';
 import { createMemoryBackend, loadGame, saveGame } from '../persistence';
 
@@ -13,6 +13,16 @@ function testContent() {
   });
 }
 
+function queueTestContent() {
+  return buildContent({
+    resources: [{ id: 'gold', name: 'Gold', startAmount: 0 }],
+    actions: [
+      { id: 'a', name: 'A', durationMs: 3000, yields: [{ resourceId: 'gold', amount: 1 }] },
+      { id: 'b', name: 'B', durationMs: 3000, yields: [{ resourceId: 'gold', amount: 1 }] },
+    ],
+  });
+}
+
 describe('loadGame()', () => {
   it('returns a fresh game when no save exists', async () => {
     const content = testContent();
@@ -42,6 +52,19 @@ describe('loadGame()', () => {
     expect(result.offlineMs).toBe(0);
   });
 
+  it('restores actionQueue on load', async () => {
+    const content = queueTestContent();
+    const state = createGameState(content);
+    enqueueAction(state, content, 'a');
+    enqueueAction(state, content, 'b');
+    const backend = createMemoryBackend();
+    await saveGame(state, backend, 1000);
+
+    const result = await loadGame(content, backend, 1000);
+    expect(result.state.activeActionId).toBe('a');
+    expect(result.state.actionQueue).toEqual(['b']);
+  });
+
   it('drops an active action that no longer exists in content', async () => {
     const content = testContent();
     const stale = serializeSave(

src/state/persistence.ts

@@ -102,7 +102,7 @@ export async function loadGame(
       resources: { ...base.resources, ...save.state.resources },
       activeActionId,
       actionElapsedMs: save.state.actionElapsedMs,
-      actionQueue: [...base.actionQueue],
+      actionQueue: [...(save.state.actionQueue ?? [])],
     };
     savedAt = save.savedAt;
   } catch {