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/constants.ts

@@ -0,0 +1,8 @@
+/** 清单与案例模型共用的常量 —— 单独成文件,免得 manifest ↔ case-model 循环 import 撞 TDZ。 */
+export const ACTIVITY_ID_TEXT = 'part-substitution-assessment';
+/** 活动自持单据的域名 */
+export const D = 'sub_eval';
+/** GOV 差异规则版本 —— 随包冻结,随每条结论落账(rule_version) */
+export const RULE_VERSION = 'R-2026.07';
+export const TOOL_COMPARE = 'part-substitution-assessment.compare-parameters';
+export const TOOL_RECOMMEND = 'part-substitution-assessment.recommend';