Commit dc8add18 by luoqi

docs(friday): push 契约对齐迁移后原表 + 冷导入/对账文档

- friday-push-payload:结算段从「宿主分流 4 source」改为「推 3 张原表、WHERE 全在 PAC」;
  删 patient_settlement_refund/spec_refund 两个已废弃 source;新增 spec.patient_id 不可信说明;
  source 计数 15→14
- 新增 data-reconciliation:源  PAC 计数对账口径
- ingestion / meta:配套更新

Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com>
parent b3e3a6c2
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