feat: /meta для версии в футере и устойчивый разбор JSON

frontend/src/api/http.ts

@@ -8,16 +8,30 @@ function buildUrl(path: string): string {
 }
 
 async function parseResponseBody(response: Response): Promise<unknown> {
-  const contentType = response.headers.get("content-type") ?? "";
-  if (!contentType.includes("application/json")) {
+  const text = await response.text();
+  if (!text.trim()) {
     return null;
   }
 
-  try {
-    return await response.json();
-  } catch {
-    return null;
+  const contentType = response.headers.get("content-type") ?? "";
+  if (contentType.includes("application/json")) {
+    try {
+      return JSON.parse(text) as unknown;
+    } catch {
+      return null;
+    }
   }
+
+  const trimmed = text.trim();
+  if (trimmed.startsWith("{") || trimmed.startsWith("[")) {
+    try {
+      return JSON.parse(text) as unknown;
+    } catch {
+      return null;
+    }
+  }
+
+  return null;
 }
 
 const GATEWAY_RETRY_STATUSES = new Set([502, 503, 504]);