feat: 实现避难所仓储系统与生存状态HUD改进

- 新增避难所仓储功能，支持物品在随身背包与仓储间转移
- 添加生存状态图标资源与状态阈值告警系统
- 重构HUD界面，优化状态显示与操作流程
- 扩展游戏核心系统，增加仓储相关动作和校验
- 更新文档说明仓储规则与实现细节

packages/content/src/gameplay.test.ts

@@ -8,6 +8,7 @@ describe('TinyWaste gameplay loop', () => {
 
     expect(state.player.placeId).toBe('home');
     expect(state.player.inventory.some((entry) => entry.itemId === 'shiv')).toBe(true);
+    expect(state.player.storage.some((entry) => entry.itemId === 'leather_coat')).toBe(true);
     expect(state.player.quests.q_tutorial_water.state).toBe('active');
   });
 
@@ -42,4 +43,48 @@ describe('TinyWaste gameplay loop', () => {
     expect(view.header.placeName).toBe('近郊土路');
     expect(view.map.places.find((place) => place.current)?.id).toBe('roadside');
   });
+
+  it('moves items between field bag and shelter storage while at home', () => {
+    const state = createNewGameState(gameContent, '测试幸存者');
+    const initialBagWater = state.player.inventory.find((entry) => entry.itemId === 'water_dirty')?.count ?? 0;
+    const initialStorageWater =
+      state.player.storage.find((entry) => entry.itemId === 'water_dirty')?.count ?? 0;
+
+    const stashed = applyGameAction(state, gameContent, {
+      type: 'stash-item',
+      itemId: 'water_dirty',
+      count: 1,
+    });
+
+    const stashView = buildGameView(stashed.state, gameContent);
+    expect(stashView.player.storageAccessible).toBe(true);
+    expect(
+      stashed.state.player.inventory.find((entry) => entry.itemId === 'water_dirty')?.count ?? 0,
+    ).toBe(initialBagWater - 1);
+    expect(
+      stashed.state.player.storage.find((entry) => entry.itemId === 'water_dirty')?.count ?? 0,
+    ).toBe(initialStorageWater + 1);
+
+    const retrieved = applyGameAction(stashed.state, gameContent, {
+      type: 'retrieve-item',
+      itemId: 'water_dirty',
+      count: 1,
+    });
+
+    expect(
+      retrieved.state.player.inventory.find((entry) => entry.itemId === 'water_dirty')?.count ?? 0,
+    ).toBe(initialBagWater);
+  });
+
+  it('builds survival alerts from threshold-based status states', () => {
+    const state = createNewGameState(gameContent, '测试幸存者');
+    state.player.stats.thirst = 20;
+    state.player.stats.energy = 18;
+
+    const view = buildGameView(state, gameContent);
+
+    expect(view.survival.alerts.some((entry) => entry.stat === 'thirst')).toBe(true);
+    expect(view.survival.alerts.some((entry) => entry.stat === 'energy')).toBe(true);
+    expect(view.survival.headline).toContain('告警');
+  });
 });

packages/content/src/index.ts

@@ -3,6 +3,7 @@ import type { GameContent } from '@tinywaste/game-core';
 export const gameContent: GameContent = {
   version: '0.1.0',
   inventoryCapacity: 36,
+  storageCapacity: 84,
   items: {
     water_dirty: {
       id: 'water_dirty',