merge: refactor/assembler-shared-dict → main(FRIDAY 摄入:共享字典分层 + 推送契约 +…

merge: refactor/assembler-shared-dict → main(FRIDAY 摄入:共享字典分层 + 推送契约 + 关系边/咨询/退费三轨 + export cohort 过滤)

# Conflicts:
#	apps/pac-service/tests/canonical-fact-layer.spec.ts