feat(network-details): Add response details capture

Author: 43jay

Sources/Sentry/SentryNetworkTracker.m

@@ -598,10 +598,59 @@ - (void)captureResponseDetails:(NSData *)data
                        request:(NSURLRequest *)request
                           task:(NSURLSessionTask *)task
 {
-    // TODO: Implementation
-    // 2. Create SentryNetworkBody from response data
-    // 3. Store in appropriate location for session replay
-    // 4. Handle size limits and truncation if needed
+    NSString *url = request.URL ? request.URL.absoluteString : @"<no URL>";
+    if (![self isNetworkDetailCaptureEnabledFor:url options:SentrySDK.startOption]) {
+        return;
+    }
+
+    SentryOptions *options = SentrySDK.startOption;
+    if (![self isNetworkDetailCaptureEnabledFor:url options:options]) {
+        return;
+    }
+
+    SentryNetworkRequestData *requestData
+        = objc_getAssociatedObject(task, &SentryNetworkRequestDataKey);
+    if (!requestData) {
+        SENTRY_LOG_DEBUG(@"[NetworkCapture] No SentryNetworkRequestData found for %@ - "
+                         @"skipping response capture",
+            url);
+        return;
+    }
+
+    // Create response SentryReplayNetworkRequestOrResponse with headers and body
+    NSDictionary *responseHeaders = nil;
+    if ([response isKindOfClass:[NSHTTPURLResponse class]]) {
+        NSHTTPURLResponse *httpResponse = (NSHTTPURLResponse *)response;
+        responseHeaders = [SentryReplayNetworkRequestOrResponse
+               extractHeaders:httpResponse.allHeaderFields
+            configuredHeaders:options.sessionReplay.networkResponseHeaders];
+    }
+
+    SentryNetworkBody *responseBody = nil;
+    if (data && data.length > 0) {
+        NSString *contentType = nil;
+        if ([response isKindOfClass:[NSHTTPURLResponse class]]) {
+            NSHTTPURLResponse *httpResponse = (NSHTTPURLResponse *)response;
+            contentType = httpResponse.allHeaderFields[@"Content-Type"];
+        }
+        responseBody = [[SentryNetworkBody alloc] initWithData:data contentType:contentType];
+    }
+
+    NSUInteger dataLength = data ? data.length : 0;
+    SentryReplayNetworkRequestOrResponse *responseData =
+        [[SentryReplayNetworkRequestOrResponse alloc]
+            initWithSize:@(dataLength)
+                    body:responseBody
+              allHeaders:([response isKindOfClass:[NSHTTPURLResponse class]]
+                                 ? ((NSHTTPURLResponse *)response).allHeaderFields
+                                 : nil)configuredHeaders
+                        :options.sessionReplay.networkResponseHeaders];
+
+    NSInteger statusCode = 0;
+    if ([response isKindOfClass:[NSHTTPURLResponse class]]) {
+        statusCode = ((NSHTTPURLResponse *)response).statusCode;
+    }
+    [requestData setResponseDetails:statusCode responseData:responseData];
 }
 
 - (void)captureRequestDetails:(NSURLSessionTask *)sessionTask
@@ -620,7 +669,6 @@ - (void)captureRequestDetails:(NSURLSessionTask *)sessionTask
     }
 
     NSURLRequest *request = sessionTask.currentRequest;
-    NSString *url = request.URL ? request.URL.absoluteString : nil;
 
     SentryNetworkRequestData *requestData =
         [[SentryNetworkRequestData alloc] initWithMethod:request.HTTPMethod ?: @"GET"];