feat(statistics): добавить раздел статистики трафика

Куб IPFIX час+день с AND-слайсами и экраном отчётности /statistics, живой /traffic не меняем.

Co-authored-by: Cursor <[email protected]>

backend/src/lib/permissions.test.ts

@@ -18,7 +18,7 @@ assert.equal(
   "mm:settings:admin",
 )
 assert.equal(
-  permissionForRequest("GET", "/api/traffic/servers/1/live"),
+  permissionForRequest("GET", "/api/statistics"),
   "mm:traffic:read",
 )
 assert.equal(

backend/src/lib/permissions.ts

@@ -107,7 +107,7 @@ const RULES: Rule[] = [
   },
   {
     methods: ["GET"],
-    match: (p) => p.startsWith("/api/traffic"),
+    match: (p) => p.startsWith("/api/traffic") || p.startsWith("/api/statistics"),
     permission: "mm:traffic:read",
   },
   {