Fix reached macOS UI primitives and audio fade behavior

audit/history.jsonl

@@ -554,3 +554,4 @@
 {"time": "2026-09-25T02:30:00Z", "event": "port", "unit": "EterLib/NetDatagram.cpp, NetDatagramReceiver.cpp, NetDatagramSender.cpp", "detail": "Ported 40250 UDP datagram suite (24 functions) verbatim into extension/src/port/EterLib/. Added mt_winsock_recvfrom wrapper in winsock.h shim handling POSIX socklen_t* to int* conversion. Updated LAYER_PATTERNS in port_map.py for MapOutdoorCharacterShadow.cpp. Logic layer reached 100.0% completion (3338/3338 functions done, 0 TODO, 0 DIVERGENT). Queue empty.", "tests": ["port.login_flow (15/15 PASS, 26.55s)", "script/port_gate.sh macos PASS (19/19 suites)", "port_map.py check: 0 errors"]}
 {"time": "2026-09-25T03:00:00Z", "event": "route_cleanup", "unit": "client_main legacy elimination", "detail": "Removed legacy AppFlow route, preloads (AppFlow, LiveSmokeTest, PlayableLiveTest, NetTrace), and MT_PORT_PATH fallback from project/client_main.gd. client_main.tscn now unconditionally boots the native 40250 port route (PythonUISurface + Python3DSurface -> system.py). Passing MT_PORT_PATH=legacy emits a deprecation warning and continues on port route.", "tests": ["client_main.tscn verified on port route and legacy warning", "script/port_gate.sh macos PASS (19/19 suites)", "port_map.py check: 0 errors"]}
 {"time": "2026-09-24T07:07:19Z", "event": "port_verification_fix", "unit": "Client/root/*.py + UserInterface/PythonApplication platform adapter + MilesLib/SoundManager platform adapter", "detail": "Corrected 74 RUN_AS_IS mappings from unrelated assets/root to 40250 root.epk, added per-script byte/hash verification and stricter port-map validation. Restored GC_TIME server clock semantics and routed packed sound bytes to Godot without applying volume twice; replaced deleted legacy asset-gate tests with active host/audio tests. Qualified MT_PLATFORM_STUB_TRACE exposed 93 called stubs in offline login_flow; SetGlobalCenterPosition was implemented from the original call order, and remaining reached groups were recorded in audit/reports/platform-runtime-trace.md. Android port-only gate exposed the pre-existing Win32Crt.cpp glob/iconv API-24 build blocker after a missing <ctype.h> PCH dependency in Japanese.cpp was repaired.", "tests": ["script/verify_root_pack.py PASS (74/74)", "port_map.py check: 0 errors", "script/port_gate.sh macos PASS", "script/run_40250_asset_gate.sh PASS", "script/python_game_render_test.sh PASS", "MT_PLATFORM_STUB_TRACE=1 port.login_flow PASS (93 called stubs identified)", "android port_gate FAIL: Win32Crt.cpp glob/iconv declarations under NDK API 24"]}
+{"time": "2026-09-24T07:31:08Z", "event": "platform_adapter_fix", "unit": "EterLib/GrpScreen.cpp + MilesLib/SoundManager.cpp", "detail": "Implemented reached 40250 UI box and vertical gradient command bridge; audio bridge now preserves named three-slot music fades, frame-step fade speed and limit, indexed 3D volume, 3D play counts, and SaveVolume/RestoreVolume mute state. Remaining sky/water/shadow/culling/IME adapters stay TODO.", "evidence": ["./script/port_gate.sh macos", "./script/python_game_render_test.sh", "godot --headless --path project -s res://audio_driver_test.gd", "port_map.py check"]}