docs: 初始化 chis_osi 设计文档与协作规范

- docs/: OSI 接口规范分析、旧项目架构评估、目标架构设计、字段与接口映射、实施路线图
- CLAUDE.md: 协作规则（项目认知、osi/mapping/pipeline 三层技术约束、安全/验证、提交规范）
- .gitignore: 补充项目特定忽略（config.yaml/logs/样本等）
- 随项目留存厂家 OSI 规范源材料（docx/xlsx，内部保密，仅限本私有仓库）

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

.gitignore

@@ -1,27 +1,41 @@
-# ---> Go
-# If you prefer the allow list template instead of the deny list, see community template:
-# https://github.com/github/gitignore/blob/main/community/Golang/Go.AllowList.gitignore
-#
-# Binaries for programs and plugins
-*.exe
-*.exe~
-*.dll
-*.so
-*.dylib
-
-# Test binary, built with `go test -c`
-*.test
-
-# Output of the go coverage tool, specifically when used with LiteIDE
-*.out
-
-# Dependency directories (remove the comment below to include it)
-# vendor/
-
-# Go workspace file
-go.work
-go.work.sum
-
-# env file
-.env
-
+# ---> Go
+# If you prefer the allow list template instead of the deny list, see community template:
+# https://github.com/github/gitignore/blob/main/community/Golang/Go.AllowList.gitignore
+#
+# Binaries for programs and plugins
+*.exe
+*.exe~
+*.dll
+*.so
+*.dylib
+
+# Test binary, built with `go test -c`
+*.test
+
+# Output of the go coverage tool, specifically when used with LiteIDE
+*.out
+
+# Dependency directories (remove the comment below to include it)
+# vendor/
+
+# Go workspace file
+go.work
+go.work.sum
+
+# env file
+.env
+
+# ---> chis_osi 项目特定
+# 真实配置（含 orgCode/userName/ask 密钥、PHIS token、服务器地址）——只提交 config.yaml.example
+/config.yaml
+config.local.yaml
+# 运行期产物：日志、报告、快照、幂等状态
+/logs/
+*.jsonl
+# 本地存储/缓存
+*.db
+*.sqlite
+/tmp/
+# 含个人信息的联调样本（身份证/姓名等），如需保留请脱敏后手动 add
+/samples/*.real.json
+