fix: resolve TypeScript type-check errors

- Add cacheHitRate to ProxyMetricsService, handler, and router schema
- Fix StatCard to support string values and purple accent
- Fix duplicate tabs keys in i18n translations (EN/ZH/RU)
- Add missing cacheStatus translations across all languages

tools/wix314/sdk/inc/metautil.h

@@ -0,0 +1,52 @@
+#pragma once
+// Copyright (c) .NET Foundation and contributors. All rights reserved. Licensed under the Microsoft Reciprocal License. See LICENSE.TXT file in the project root for full license information.
+
+
+#include <iadmw.h>
+#include <iiscnfg.h>
+#include <iwamreg.h>
+#include <mddefw.h>
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+// structs
+
+// prototypes
+HRESULT DAPI MetaFindWebBase(
+    __in IMSAdminBaseW* piMetabase, 
+    __in_z LPCWSTR wzIP, 
+    __in int iPort, 
+    __in_z LPCWSTR wzHeader,
+    __in BOOL fSecure,
+    __out_ecount(cchWebBase) LPWSTR wzWebBase, 
+    __in DWORD cchWebBase
+    );
+HRESULT DAPI MetaFindFreeWebBase(
+    __in IMSAdminBaseW* piMetabase, 
+    __out_ecount(cchWebBase) LPWSTR wzWebBase, 
+    __in DWORD cchWebBase
+    );
+
+HRESULT DAPI MetaOpenKey(
+    __in IMSAdminBaseW* piMetabase, 
+    __in METADATA_HANDLE mhKey, 
+    __in_z LPCWSTR wzKey,
+    __in DWORD dwAccess,
+    __in DWORD cRetries,
+    __out METADATA_HANDLE* pmh
+    );
+HRESULT DAPI MetaGetValue(
+    __in IMSAdminBaseW* piMetabase, 
+    __in METADATA_HANDLE mhKey, 
+    __in_z LPCWSTR wzKey, 
+    __inout METADATA_RECORD* pmr
+    );
+void DAPI MetaFreeValue(
+    __in METADATA_RECORD* pmr
+    );
+
+#ifdef __cplusplus
+}
+#endif