KI-AGENT: Stabilisiert mobilen Session-Start

mobile/src/lib/api.ts

@@ -196,6 +196,7 @@ type RequestOptions = {
   method?: 'GET' | 'POST' | 'PUT' | 'PATCH' | 'DELETE';
   token?: string | null;
   body?: unknown;
+  timeoutMs?: number;
 };
 
 export type MatrixStatus = {
@@ -314,17 +315,46 @@ async function parseJson(response: Response): Promise<unknown> {
   }
 }
 
+const DEFAULT_REQUEST_TIMEOUT_MS = 15000;
+
+function createTimeoutSignal(timeoutMs = DEFAULT_REQUEST_TIMEOUT_MS): { signal: AbortSignal; cleanup: () => void } {
+  const controller = new AbortController();
+  const timeout = setTimeout(() => controller.abort(), timeoutMs);
+
+  return {
+    signal: controller.signal,
+    cleanup: () => clearTimeout(timeout),
+  };
+}
+
+function isAbortError(error: unknown): boolean {
+  return error instanceof Error && error.name === 'AbortError';
+}
+
 export async function apiRequest<T>(path: string, options: RequestOptions = {}): Promise<T> {
   const hasJsonBody = options.body !== undefined;
-  const response = await fetch(buildUrl(path), {
-    method: options.method || 'GET',
-    headers: {
-      Accept: 'application/json',
-      ...(hasJsonBody ? { 'Content-Type': 'application/json' } : {}),
-      ...(options.token ? { Authorization: `Bearer ${options.token}` } : {}),
-    },
-    body: hasJsonBody ? JSON.stringify(options.body) : undefined,
-  });
+  const { signal, cleanup } = createTimeoutSignal(options.timeoutMs);
+  let response: Response;
+
+  try {
+    response = await fetch(buildUrl(path), {
+      method: options.method || 'GET',
+      headers: {
+        Accept: 'application/json',
+        ...(hasJsonBody ? { 'Content-Type': 'application/json' } : {}),
+        ...(options.token ? { Authorization: `Bearer ${options.token}` } : {}),
+      },
+      body: hasJsonBody ? JSON.stringify(options.body) : undefined,
+      signal,
+    });
+  } catch (error) {
+    if (isAbortError(error)) {
+      throw new Error(`Zeitüberschreitung beim Verbinden mit dem FEDEO-Server (${path}).`);
+    }
+    throw error;
+  } finally {
+    cleanup();
+  }
 
   const payload = await parseJson(response);
 
@@ -340,14 +370,27 @@ export async function apiRequest<T>(path: string, options: RequestOptions = {}):
 }
 
 async function apiFormRequest<T>(path: string, token: string, formData: FormData): Promise<T> {
-  const response = await fetch(buildUrl(path), {
-    method: 'POST',
-    headers: {
-      Accept: 'application/json',
-      Authorization: `Bearer ${token}`,
-    },
-    body: formData,
-  });
+  const { signal, cleanup } = createTimeoutSignal();
+  let response: Response;
+
+  try {
+    response = await fetch(buildUrl(path), {
+      method: 'POST',
+      headers: {
+        Accept: 'application/json',
+        Authorization: `Bearer ${token}`,
+      },
+      body: formData,
+      signal,
+    });
+  } catch (error) {
+    if (isAbortError(error)) {
+      throw new Error(`Zeitüberschreitung beim Hochladen zum FEDEO-Server (${path}).`);
+    }
+    throw error;
+  } finally {
+    cleanup();
+  }
 
   const payload = await parseJson(response);