报价单 Java 快照（按步追加）
快照策略：见上级 ../README.md。本目录现有文件为方案探索阶段拷贝；正式实施时以
06-steps.md各步「快照清单」为准，缺什么用scripts/snapshot-java.sh补什么。
Python 落点
| Java | Python |
|---|---|
CrmQuoteServiceImpl |
backend/app/crud/crm/quote.py |
CrmQuoteProductServiceImpl |
backend/app/crud/crm/quote_product.py |
CrmQuoteApprovalServiceImpl |
backend/app/crud/crm/quote_approval.py |
CrmQuoteShareLogServiceImpl |
backend/app/crud/crm/quote_share_log.py |
CrmQuotePdfServiceImpl |
backend/app/services/crm_quote_pdf.py |
CrmQuote*Controller |
backend/app/api/crm.py |
翻译进度：docs/crm-migration/plans/quote/04-api-spec.md