feat(w05): 差异评估活动包骨架与清单 —— 六张主数据追加声明、三张自持单据、两张 DMN、五条样例

Co-Authored-By: Claude Fable 5 <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_01FJcX8A6TWp4GRs41TYryEh

activities/part-substitution-assessment/src/case-model.ts

@@ -0,0 +1,13 @@
+/** 占位:真正的案例模型见 Task 4(整份替换本文件)。这里只放一份 schema 过得去的最小件。 */
+export const CMMN_XML = `<?xml version="1.0" encoding="UTF-8"?>
+<definitions xmlns="http://www.omg.org/spec/CMMN/20151109/MODEL">
+  <case id="part-substitution-assessment">
+    <caseFileModel/>
+    <casePlanModel id="plan" name="差异评估" autoComplete="true">
+      <humanTask id="S0_bind" name="占位"/>
+    </casePlanModel>
+  </case>
+</definitions>`;
+export const NARRATIVE = '(占位:案例说明书见 Task 4)';
+export const ASSESSMENT_STEPS: Array<{ item: string; intent: string; guide: string; writes: string[]; reads: string[]; tools: string[]; view?: string; doneWhen?: string }> = [];
+export const ASSESSMENT_PHASES: Array<{ name: string; items: string[] }> = [];