feat(osi): 某人全部体检查询 JKTJ00002（T-306）

- osi.QueryHealthChecks（/auto/jktj/query，返回全部体检数组）
- contract.HealthCheckRecordSummary：驼峰 idCard（≠最近一次小写 idcard）、checkId 可空
- HTTP 端点 GET /api/health-check/all
- 单测含 null checkId 场景；实测端点已部署

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

server.go

@@ -20,11 +20,13 @@ func runServer(cfg config.Config, addr string) error {
 	mux := http.NewServeMux()
 	mux.HandleFunc("/api/health-record/find", hr.Find)
 	mux.HandleFunc("/api/health-check/last", hc.Last)
+	mux.HandleFunc("/api/health-check/all", hc.All)
 	mux.HandleFunc("/api/health-check/list", hc.List)
 
 	fmt.Printf("chis_osi server listening on %s\n", addr)
 	fmt.Printf("  GET http://%s/api/health-record/find?idCard=<身份证>\n", addr)
 	fmt.Printf("  GET http://%s/api/health-check/last?idCard=<身份证>\n", addr)
+	fmt.Printf("  GET http://%s/api/health-check/all?idCard=<身份证>\n", addr)
 	fmt.Printf("  GET http://%s/api/health-check/list?checkYear=<年度>&idCard=<身份证>\n", addr)
 
 	server := &http.Server{Addr: addr, Handler: mux}