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

frontend/src/api/health.ts

@@ -5,6 +5,15 @@ export type HealthResponse = {
   version: string;
 };
 
+export type BackendMetaResponse = {
+  version: string;
+};
+
 export async function getHealth(init?: RequestInit): Promise<HealthResponse> {
   return requestJson<HealthResponse>("/health", init);
 }
+
+/** Версия бэкенда для футера (отдельный путь от /health — меньше ложных блокировок). */
+export async function getBackendMeta(init?: RequestInit): Promise<BackendMetaResponse> {
+  return requestJson<BackendMetaResponse>("/meta", init);
+}

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]);

frontend/src/api/index.ts

@@ -1,5 +1,5 @@
 export type { CreateRacePayload, Race, RacesQuery, RaceStatus, UpdateRacePayload } from "./types";
 export { ApiError, getApiErrorMessage } from "./errors";
-export type { HealthResponse } from "./health";
-export { getHealth } from "./health";
+export type { BackendMetaResponse, HealthResponse } from "./health";
+export { getBackendMeta, getHealth } from "./health";
 export { getRaceById, getRaces, createRace, updateRace, deleteRace } from "./races";