[Network] Network tab freezes and stops capturing HTTP requests after hot restart

[khusantoy]

DevTools version: 2.54.2
Flutter version:
Flutter 3.41.7 • channel stable • https://github.com/flutter/flutter.git
Framework • revision cc0734ac71 (4 days ago) • 2026-04-15 21:21:08 -0700
Engine • hash 7a53c052bc4b472cf780b199087e1368e4a9aa8c (revision 59aa584fdf) (4 days ago) • 2026-04-16
02:32:16.000Z
Tools • Dart 3.11.5 • DevTools 2.54.2
IDE: Antigravity
Connected Device: Android emulator / physical device

Describe the bug:
After hot restart, the Network tab stops capturing HTTP requests.
Requests were visible before hot restart but disappear after.

Steps to reproduce:

1. Run app in debug mode
2. Open DevTools → Network tab
3. Trigger some network requests (confirm they appear)
4. Press hot restart
5. Trigger network requests again
6. Observe: requests no longer appear in Network tab

Expected: Requests continue to appear after hot restart
Actual: Network tab freezes / stops capturing