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src/services/runtimeStoryService.test.ts

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+import { beforeEach, describe, expect, it, vi } from 'vitest';
+
+const { requestJsonMock } = vi.hoisted(() => ({
+  requestJsonMock: vi.fn(),
+}));
+
+vi.mock('./apiClient', async () => {
+  const actual = await vi.importActual<typeof import('./apiClient')>('./apiClient');
+  return {
+    ...actual,
+    requestJson: requestJsonMock,
+  };
+});
+
+import {
+  buildStoryMomentFromRuntimeOptions,
+  getRuntimeClientVersion,
+  getRuntimeSessionId,
+  isServerRuntimeFunctionId,
+  isTask5RuntimeFunctionId,
+  resolveRuntimeStoryAction,
+  shouldUseServerRuntimeOptions,
+} from './runtimeStoryService';
+import { AnimationState } from '../types';
+
+describe('runtimeStoryService', () => {
+  beforeEach(() => {
+    requestJsonMock.mockReset();
+  });
+
+  it('builds runtime action requests against the dedicated story endpoint', async () => {
+    requestJsonMock.mockResolvedValue({
+      sessionId: 'runtime-main',
+      serverVersion: 2,
+      viewModel: {},
+      presentation: {
+        actionText: '继续交谈',
+        resultText: '后端已结算',
+        storyText: '后端已结算',
+        options: [],
+      },
+      patches: [],
+      snapshot: {
+        version: 2,
+        savedAt: '2026-04-08T00:00:00.000Z',
+        bottomTab: 'adventure',
+        gameState: {},
+        currentStory: null,
+      },
+    });
+
+    await resolveRuntimeStoryAction({
+      sessionId: 'runtime-custom',
+      clientVersion: 9,
+      option: {
+        functionId: 'npc_chat',
+        actionText: '继续交谈',
+      },
+    });
+
+    expect(requestJsonMock).toHaveBeenCalledWith(
+      '/api/runtime/story/actions/resolve',
+      expect.objectContaining({
+        method: 'POST',
+        body: JSON.stringify({
+          sessionId: 'runtime-custom',
+          clientVersion: 9,
+          action: {
+            type: 'story_choice',
+            functionId: 'npc_chat',
+            targetId: undefined,
+            payload: {
+              optionText: '继续交谈',
+            },
+          },
+        }),
+      }),
+      '执行运行时动作失败',
+      expect.any(Object),
+    );
+  });
+
+  it('merges custom runtime payload fields into the action request body', async () => {
+    requestJsonMock.mockResolvedValue({
+      sessionId: 'runtime-main',
+      serverVersion: 3,
+      viewModel: {},
+      presentation: {
+        actionText: '使用凝神灵液',
+        resultText: '后端已结算物品使用',
+        storyText: '后端已结算物品使用',
+        options: [],
+      },
+      patches: [],
+      snapshot: {
+        version: 3,
+        savedAt: '2026-04-08T00:00:00.000Z',
+        bottomTab: 'adventure',
+        gameState: {},
+        currentStory: null,
+      },
+    });
+
+    await resolveRuntimeStoryAction({
+      option: {
+        functionId: 'inventory_use',
+        actionText: '使用凝神灵液',
+      },
+      payload: {
+        itemId: 'focus-tonic',
+      },
+    });
+
+    expect(requestJsonMock).toHaveBeenCalledWith(
+      '/api/runtime/story/actions/resolve',
+      expect.objectContaining({
+        method: 'POST',
+        body: JSON.stringify({
+          sessionId: 'runtime-main',
+          clientVersion: undefined,
+          action: {
+            type: 'story_choice',
+            functionId: 'inventory_use',
+            targetId: undefined,
+            payload: {
+              optionText: '使用凝神灵液',
+              itemId: 'focus-tonic',
+            },
+          },
+        }),
+      }),
+      '执行运行时动作失败',
+      expect.any(Object),
+    );
+  });
+
+  it('filters disabled runtime options when rebuilding a story moment', () => {
+    const story = buildStoryMomentFromRuntimeOptions({
+      storyText: '服务端返回的新故事',
+      options: [
+        {
+          functionId: 'npc_chat',
+          actionText: '继续交谈',
+          scope: 'npc',
+        },
+        {
+          functionId: 'npc_recruit',
+          actionText: '邀请加入队伍',
+          scope: 'npc',
+          disabled: true,
+          reason: '队伍已满',
+        },
+      ],
+    });
+
+    expect(story.text).toBe('服务端返回的新故事');
+    expect(story.options).toHaveLength(1);
+    expect(story.options[0]?.functionId).toBe('npc_chat');
+  });
+
+  it('recognizes server-runtime option pools for server-side legality checks', () => {
+    expect(isTask5RuntimeFunctionId('npc_chat')).toBe(true);
+    expect(isTask5RuntimeFunctionId('npc_trade')).toBe(false);
+    expect(isServerRuntimeFunctionId('npc_trade')).toBe(true);
+    expect(isServerRuntimeFunctionId('unknown_action')).toBe(false);
+    expect(
+      shouldUseServerRuntimeOptions([
+        {
+          functionId: 'npc_chat',
+          actionText: '继续交谈',
+          text: '继续交谈',
+          visuals: {
+            playerAnimation: AnimationState.IDLE,
+            playerMoveMeters: 0,
+            playerOffsetY: 0,
+            playerFacing: 'right',
+            scrollWorld: false,
+            monsterChanges: [],
+          },
+        },
+      ]),
+    ).toBe(true);
+    expect(
+      shouldUseServerRuntimeOptions([
+        {
+          functionId: 'npc_trade',
+          actionText: '交易',
+          text: '交易',
+          visuals: {
+            playerAnimation: AnimationState.IDLE,
+            playerMoveMeters: 0,
+            playerOffsetY: 0,
+            playerFacing: 'right',
+            scrollWorld: false,
+            monsterChanges: [],
+          },
+        },
+      ]),
+    ).toBe(true);
+    expect(
+      shouldUseServerRuntimeOptions([
+        {
+          functionId: 'unknown_action',
+          actionText: '未知动作',
+          text: '未知动作',
+          visuals: {
+            playerAnimation: AnimationState.IDLE,
+            playerMoveMeters: 0,
+            playerOffsetY: 0,
+            playerFacing: 'right',
+            scrollWorld: false,
+            monsterChanges: [],
+          },
+        },
+      ]),
+    ).toBe(false);
+    expect(getRuntimeSessionId({ runtimeSessionId: '' })).toBe('runtime-main');
+    expect(getRuntimeClientVersion({ runtimeActionVersion: 3 })).toBe(3);
+  });
+
+  it('hydrates runtime option interaction metadata from the current encounter', () => {
+    const story = buildStoryMomentFromRuntimeOptions({
+      storyText: '服务端返回的新故事',
+      gameState: {
+        currentEncounter: {
+          id: 'npc-merchant',
+          kind: 'npc',
+          npcName: '梁伯',
+          npcDescription: '沿街商贩',
+          npcAvatar: '',
+          context: '沿街商贩',
+        },
+      } as never,
+      options: [
+        {
+          functionId: 'npc_trade',
+          actionText: '交易',
+          scope: 'npc',
+        },
+      ],
+    });
+
+    expect(story.options[0]?.interaction).toEqual({
+      kind: 'npc',
+      npcId: 'npc-merchant',
+      action: 'trade',
+    });
+  });
+});