* Fix macOS controller platform, sync player indices, and preserve socket send error
- Preserve captured socket send error across diagnostic logging in network_socket.cpp
- Use SDL_GetPlatform() instead of hardcoded Windows in controller mapping wizard
- Synchronize Aurora and SDL player indices on port assignment and clear in pad.cpp
- Auto-assign Player 1 on macOS when unconfigured in input.cpp
* fix(input): refine macOS port 0 assignment and persistence logic
- Persist port 0 preference for newly connected controller even if already assigned player index 0
- Verify controller has no preference on other ports before assigning to port 0
(cherry picked from commit 85f250155f8f397c1c463dc51dd4dc2707371d06)
Co-Authored-By: Claude Opus 5.5 (1M context) <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_011tcyLz63pXjoYEwsFjfg8F