diff --git a/api/openapi/validation_test.go b/api/openapi/validation_test.go
new file mode 100644
index 0000000..b0db7a1
--- /dev/null
+++ b/api/openapi/validation_test.go
@@ -0,0 +1,169 @@
+package openapi
+
+import (
+	"fmt"
+	"os"
+	"strings"
+	"testing"
+
+	"go.yaml.in/yaml/v4"
+)
+
+var httpOperationMethods = map[string]struct{}{
+	"delete": {}, "get": {}, "head": {}, "options": {},
+	"patch": {}, "post": {}, "put": {}, "trace": {},
+}
+
+func TestOpenAPIDocumentsHaveClosedContracts(t *testing.T) {
+	for _, name := range []string{"proxy-pool.yaml", "admin.yaml"} {
+		name := name
+		t.Run(name, func(t *testing.T) {
+			root := readOpenAPIRoot(t, name)
+			validateLocalReferences(t, root)
+			validateOperations(t, root)
+			validateSecurityRequirements(t, root)
+		})
+	}
+}
+
+func validateLocalReferences(t *testing.T, root map[string]any) {
+	t.Helper()
+	walkOpenAPI(root, func(path string, value any) {
+		object, ok := value.(map[string]any)
+		if !ok {
+			return
+		}
+		reference, exists := object["$ref"]
+		if !exists {
+			return
+		}
+		text, ok := reference.(string)
+		if !ok || !strings.HasPrefix(text, "#/") {
+			t.Errorf("%s has unsupported reference %v", path, reference)
+			return
+		}
+		if _, ok := resolveLocalReference(root, text); !ok {
+			t.Errorf("%s points to missing local reference %q", path, text)
+		}
+	})
+}
+
+func validateOperations(t *testing.T, root map[string]any) {
+	t.Helper()
+	paths, ok := root["paths"].(map[string]any)
+	if !ok || len(paths) == 0 {
+		t.Fatal("paths must be a non-empty object")
+	}
+	operationIDs := make(map[string]string)
+	for path, rawItem := range paths {
+		item, ok := rawItem.(map[string]any)
+		if !ok {
+			t.Errorf("path %q has type %T, want object", path, rawItem)
+			continue
+		}
+		for method, rawOperation := range item {
+			if _, ok := httpOperationMethods[strings.ToLower(method)]; !ok {
+				continue
+			}
+			operation, ok := rawOperation.(map[string]any)
+			if !ok {
+				t.Errorf("%s %s has type %T, want object", method, path, rawOperation)
+				continue
+			}
+			operationID, _ := operation["operationId"].(string)
+			if strings.TrimSpace(operationID) == "" {
+				t.Errorf("%s %s has no operationId", method, path)
+			} else if previous, duplicate := operationIDs[operationID]; duplicate {
+				t.Errorf("operationId %q is shared by %s and %s %s", operationID, previous, method, path)
+			} else {
+				operationIDs[operationID] = method + " " + path
+			}
+			responses, ok := operation["responses"].(map[string]any)
+			if !ok || len(responses) == 0 {
+				t.Errorf("%s %s has no responses", method, path)
+			}
+		}
+	}
+}
+
+func validateSecurityRequirements(t *testing.T, root map[string]any) {
+	t.Helper()
+	components, _ := root["components"].(map[string]any)
+	schemes, _ := components["securitySchemes"].(map[string]any)
+	walkOpenAPI(root, func(path string, value any) {
+		if !strings.HasSuffix(path, ".security") {
+			return
+		}
+		requirements, ok := value.([]any)
+		if !ok {
+			t.Errorf("%s has type %T, want array", path, value)
+			return
+		}
+		for _, rawRequirement := range requirements {
+			requirement, ok := rawRequirement.(map[string]any)
+			if !ok {
+				t.Errorf("%s contains %T, want object", path, rawRequirement)
+				continue
+			}
+			for name := range requirement {
+				if _, exists := schemes[name]; !exists {
+					t.Errorf("%s references unknown security scheme %q", path, name)
+				}
+			}
+		}
+	})
+}
+
+func readOpenAPIRoot(t *testing.T, name string) map[string]any {
+	t.Helper()
+	payload, err := os.ReadFile(name)
+	if err != nil {
+		t.Fatalf("read %s: %v", name, err)
+	}
+	var root map[string]any
+	if err := yaml.Unmarshal(payload, &root); err != nil {
+		t.Fatalf("parse %s: %v", name, err)
+	}
+	return root
+}
+
+func walkOpenAPI(value any, visit func(string, any)) {
+	var walk func(string, any)
+	walk = func(path string, current any) {
+		visit(path, current)
+		switch item := current.(type) {
+		case map[string]any:
+			for key, child := range item {
+				walk(joinOpenAPIPath(path, key), child)
+			}
+		case []any:
+			for index, child := range item {
+				walk(fmt.Sprintf("%s[%d]", path, index), child)
+			}
+		}
+	}
+	walk("$", value)
+}
+
+func resolveLocalReference(root map[string]any, reference string) (any, bool) {
+	var current any = root
+	for _, token := range strings.Split(strings.TrimPrefix(reference, "#/"), "/") {
+		token = strings.ReplaceAll(strings.ReplaceAll(token, "~1", "/"), "~0", "~")
+		object, ok := current.(map[string]any)
+		if !ok {
+			return nil, false
+		}
+		current, ok = object[token]
+		if !ok {
+			return nil, false
+		}
+	}
+	return current, true
+}
+
+func joinOpenAPIPath(parent, child string) string {
+	if parent == "" {
+		return child
+	}
+	return parent + "." + child
+}
diff --git a/docs/development/implementation-plan.md b/docs/development/implementation-plan.md
index a792278..061a70b 100644
--- a/docs/development/implementation-plan.md
+++ b/docs/development/implementation-plan.md
@@ -224,6 +224,10 @@ Adapter 已通过真实 Redis 8.2 运行同一套公用契约；原子 Lua 覆
   and resync messages.
 - [ ] Validate OpenAPI and compile protobuf descriptors in CI.
 
+当前进度（2026-07-29）：Distribution/Admin OpenAPI 已由 Go 测试在双平台 CI
+校验本地 `$ref` 闭合、operationId 唯一、响应存在及 security scheme 引用；
+完整 OAS 工具验证与 Protobuf descriptor CI 编译仍待完成。
+
 ## Task 13: Deployment and Observability
 
 **Files:** `deploy/**`, `internal/platform/**`, `docs/operations/**`
diff --git a/docs/requirements/completion-audit.md b/docs/requirements/completion-audit.md
index f0dda09..fef8b7b 100644
--- a/docs/requirements/completion-audit.md
+++ b/docs/requirements/completion-audit.md
@@ -17,6 +17,8 @@
 - Distribution OpenAPI：一次性独占提取、partial/allOrNothing、幂等键、
   Redis TTL 活动池原子语义、TTL/健康过滤结果与标准错误。
 - Admin OpenAPI：状态、Upstream 启停、Routing 切换和配置重载。
+- 两份 OpenAPI 已进入 Go/CI 结构门禁，覆盖本地引用闭合、operationId、响应和
+  security scheme；完整标准工具验证仍待补齐。
 - Protobuf：Worker 注册、全量/增量 Snapshot、`usable_until`、ACK、运行态/
   结果上报、Checker 任务与 Observation。
 
diff --git a/docs/testing/test-strategy.md b/docs/testing/test-strategy.md
index 38d04e1..47e1d74 100644
--- a/docs/testing/test-strategy.md
+++ b/docs/testing/test-strategy.md
@@ -33,6 +33,7 @@
 - Redis TTL 活动池、Leader 租约、限流、短期幂等窗口和失联恢复。
 - Snapshot/Delta/ACK/Report 的版本与校验和兼容性。
 - OpenAPI 错误模型、认证矩阵、批量 fulfillment。
+- OpenAPI 本地引用闭合、operationId 唯一、响应集合和 security scheme 引用。
 - README、设计/部署文档中的相对链接，以及公开 Go 命令引用的仓库目标。
 
 ### 集成与端到端
diff --git a/progress.md b/progress.md
index ac7a430..fe3cbe6 100644
--- a/progress.md
+++ b/progress.md
@@ -2,6 +2,11 @@
 
 ## 2026-07-29
 
+- 新增 Distribution/Admin OpenAPI 公用 CI 结构门禁，递归验证本地 `$ref`、
+  operationId 唯一性、HTTP operation 响应和 security scheme 引用；完整 OAS
+  工具验证与 Protobuf descriptor CI 编译仍保持未完成。
+- 一次 OpenAPI 检索在 PowerShell 双引号中误触发 `$ref` 变量解析；已改用单引号
+  模式继续审计，未重复原命令。
 - 新增 PostgreSQL 18 隔离测试服务的静态契约：回环端口、正确 PG18 tmpfs 数据
   根目录、零持久卷；Redis 测试改用独立 Compose 项目和显式服务启动，避免两个
   fixture 相互影响。未拉取或启动容器，pgx Adapter/真实契约仍待依赖确认。