chore(w05): 在途改动落下 —— 启动表单收到三格、humanWrites 那一版清单

上一轮的工作树遗留(packageVersion 1.6.5 → 1.7.3):客户编码与客户名称从启动表单撤下,
三格全选填;活动内部仍认客户,运营端起的单缺这两个键的账已记在注释里。
本轮机制改造不碰活动包,先把它落下,免得混进后面的 diff。

Co-Authored-By: Claude Opus 5 (1M context) <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_01LKMZDwMbyKzjw6Hembwvet

activities/part-substitution-assessment/__tests__/activity.test.ts

@@ -56,8 +56,11 @@ describe('清单本身合规', () => {
     expect(manifest.contract.resources.budget.humanCalls).toBeGreaterThan(12);
   });
 
-  it('起单只必填 4 项(客户 / 需求 / 原 PN / 候选数组);datasheet 是选填文件', () => {
-    expect(manifest.contract.input.data['required']).toEqual(['customerCode', 'requestDescription', 'originalInternalPn', 'candidateInternalPns']);
+  it('起单一格必填都不设(2026-08-28 用户定);客户两格同日从启动表单撤下;datasheet 是选填文件', () => {
+    expect(manifest.contract.input.data['required']).toEqual([]);
+    const launchProps = Object.keys(manifest.contract.input.data['properties'] as Record<string, unknown>);
+    expect(launchProps).not.toContain('customerCode');
+    expect(launchProps).not.toContain('customerName');
     const properties = manifest.contract.input.data['properties'] as Record<string, { type?: string; format?: string }>;
     expect(properties['candidateInternalPns']?.type).toBe('array');
     expect(properties['datasheets']?.format).toBe('file');