fix(movement): camera auto-rotates to face WASD input direction

40250 parity: CPythonPlayer::NEW_MoveToDirection's m_isCmrRot branch
continuously rolls the camera toward the held movement direction every
frame while a direction key is down, independent of whether a new
translation target was just set. Add _camera_auto_rotate() to replicate
this (forward/back = no rotation, strafe = max rate, diagonal = half
rate), called unconditionally after the frozen/locked/shop/emotion gate
in _process(). Godot's yaw-increase handedness is opposite the
reference's D3D Roll(), so the sign is flipped as a platform adaptation;
verified by convergence invariants in keyboard_motion_timeline_test.gd
rather than bit-for-bit angle matching.

Closes movement.keyboard.motion/camera-auto-follow-rotation.

Co-Authored-By: Claude Sonnet 5 <noreply@anthropic.com>

audit/history.jsonl

@@ -480,3 +480,4 @@
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 {"time":"2026-09-21T17:01:24Z","event":"implementation_fix_round","result":"PARTIAL","ids":["network.login.phase_flow/auth-game-phase-matrix/phase-dead-noop-time-sync"],"files":["extension/src/net/classic/classic_session.cpp","extension/tests/net_classic_session_test.cpp","audit/contracts/network.login.phase-flow.md","audit/remediation-roadmap.md","audit/manifest.json","audit/history.jsonl","audit/reports/coverage.md"],"tests":["40250 reference source inspection (PASS: PythonNetworkStream.cpp RecvPhasePacket(PHASE_DEAD) has an explicit empty branch and returns true without a phase setter)","pre-fix build-debug/extension/net_classic_session_test (FAIL: PHASE_DEAD enabled time-sync and changed the next handshake response; 1 check)","post-fix build-debug/extension/net_classic_session_test (PASS)","cmake --build build-debug -j4 (PASS)","ctest --test-dir build-debug --output-on-failure -j2 (PASS; 23/23)","ASAN_OPTIONS=detect_leaks=0:halt_on_error=1 build-asan/extension/net_classic_session_test (PASS)","MT_PROTOCOL=classic godot --headless --path project --script app_flow_lifecycle_test.gd (PASS)","MT_PROTOCOL=classic godot --headless --path project --script p10_test.gd (PASS)","MT_PROTOCOL=classic godot --headless --path project --script netplay_test.gd (PASS)","MT_PROTOCOL=classic godot --headless --path project --script disconnect_world_reset_test.gd (PASS)","audit_phase_dispatch.py (PASS; no payload differences)","audit_packet_registry.py (PARTIAL; only approved HDR_GC_SYMBOL_DATA adaptation)","audit_sequence_table.py (PASS; 32768 entries identical)","audit_source_coverage.py (PASS; 0 unowned behavior candidates)","audit_ledger.py refresh --write/report --write/validate (PASS; 45 contracts)","manifest/history JSON validation (PASS)","git diff --check (PASS)"],"reason":"按 40250 RecvPhasePacket(PHASE_DEAD) 的空操作语义，移除当前端错误打开 time-sync mode 的副作用，保持重复握手使用普通 HANDSHAKE 回包。未修改飞行物、技能、战斗、角色名编码或 UI；真实 Windows/服务器主动 PHASE_CLOSE、空角色 live、完整跨阶段 retry、GC_WARP 失败回退和可选安全 runtime仍未闭合，合同保持 PARTIAL。"}
 {"time":"2026-09-21T17:08:09Z","event":"implementation_fix_round","result":"PARTIAL","ids":["network.login.phase_flow/auth-game-phase-matrix/phase-dead-noop-time-sync"],"files":["extension/src/net/classic/classic_session.cpp","extension/tests/net_classic_session_test.cpp","audit/contracts/network.login.phase-flow.md","audit/remediation-roadmap.md","audit/manifest.json","audit/history.jsonl","audit/reports/coverage.md"],"tests":["40250 reference source inspection (PASS: PythonNetworkStream.cpp RecvPhasePacket(PHASE_DEAD) is an explicit empty branch; only real phase setters clear the close owner)","pre-fix build-debug/extension/net_classic_session_test (FAIL: PHASE_DEAD cleared the explicit PHASE_CLOSE owner marker; 1 check)","post-fix build-debug/extension/net_classic_session_test (PASS: plain HANDSHAKE response and PHASE_CLOSE marker are both preserved)","cmake --build build-debug -j4 (PASS)","ctest --test-dir build-debug --output-on-failure -j2 (PASS; 23/23)","ASAN_OPTIONS=detect_leaks=0:halt_on_error=1 build-asan/extension/net_classic_session_test (PASS)","MT_PROTOCOL=classic godot --headless --path project --script app_flow_lifecycle_test.gd (PASS)","MT_PROTOCOL=classic godot --headless --path project --script p10_test.gd (PASS)","MT_PROTOCOL=classic godot --headless --path project --script netplay_test.gd (PASS)","MT_PROTOCOL=classic godot --headless --path project --script disconnect_world_reset_test.gd (PASS)","audit_phase_dispatch.py (PASS; no payload differences)","audit_packet_registry.py (PARTIAL; only approved HDR_GC_SYMBOL_DATA adaptation)","audit_sequence_table.py (PASS; 32768 entries identical)","audit_source_coverage.py (PASS; 0 unowned behavior candidates)","audit_ledger.py refresh --write/report --write/validate (PASS; 45 contracts)","manifest/history JSON validation (PASS)","git diff --check (PASS)"],"reason":"在同一分支的进一步等价审计中补齐 PHASE_DEAD 的第二个无副作用约束：通用 phase != PHASE_CLOSE 条件会清除显式关闭 owner，修复为仅真实 phase setter 清除 m_phase_closed。此为同一稳定分支的实质性实现补充，不是重复修复。未修改飞行物、技能、战斗、角色名编码或 UI；真实 Windows/服务器主动 PHASE_CLOSE、空角色 live、完整跨阶段 retry、GC_WARP 失败回退和可选安全 runtime仍未闭合，合同保持 PARTIAL。"}
+{"time": "2026-09-22T00:00:00Z", "event": "implementation_fix_round", "result": "PARTIAL", "ids": ["movement.keyboard.motion/camera-auto-follow-rotation"], "files": ["project/player_controller.gd", "project/keyboard_motion_timeline_test.gd", "audit/contracts/movement.keyboard-motion.md", "audit/remediation-roadmap.md", "audit/manifest.json", "audit/history.jsonl"], "tests": ["40250 reference source inspection (PASS: PythonPlayerInput.cpp:445-491 CPythonPlayer::NEW_MoveToDirection m_isCmrRot branch folds fDirRot to fSigDirRot/fRotRat and applies CCamera::Roll(-m_fCmrRotSpd*fElapsedTime*fRotRat/90) every frame a direction key is held and the movement gates pass)", "pre-fix keyboard_motion_timeline_test.gd (FAIL by construction: camera.yaw never written by _keyboard_wish/_process, new directional assertions would fail)", "post-fix godot --headless --path project --script keyboard_motion_timeline_test.gd (PASS)", "godot --headless --path project --script test_wasd_steering_parity.gd (PASS)", "godot --headless --path project --script test_no_auto_move_regression.gd (PASS)", "godot --headless --path project --script game_camera_test.gd (PASS)", "godot --headless --path project --script movement_parity_test.gd (PASS)", "godot --headless --path project --script player_move_test.gd (PASS)", "godot --headless --path project --script mouse_controller_test.gd (PASS)", "godot --headless --path project --script test_alignment_parity.gd (PASS)", "git diff --check (PASS)", "audit_ledger.py refresh --write/report --write/validate (PASS)", "cmake --build build-debug -j4 / ctest (BLOCKED: pre-existing stale CMakeCache.txt from a different checkout path, unrelated to this GDScript-only change; not run)", "godot --headless --path project --script player_motion_test.gd (BLOCKED: pre-existing parse error, GDScriptNativeClass.clear_texture_cache() not found in this Godot 4.7.1 build; file untouched this round, last changed in a prior commit)"], "reason": "按 40250 CPythonPlayer::NEW_MoveToDirection 的 m_isCmrRot 分支，在 player_controller.gd 新增 _camera_auto_rotate()：按住方向键且通过 frozen/locked/private_shop_open/processing_emotion 门后，每帧按方向相对相机的方位角折算 fRotRat（正前/正后 0，正左右 ±90 最大速率，对角线减半），以 m_fCmrRotSpd=20.0 的速率持续把 camera.yaw 转向新朝向。D3D CCamera::Roll 与 Godot yaw 的转向手性相反，增量对 fRotRat 取正号（参考实现取负号），作为显式记录的平台适配，用『按住方向时相机朝该方向收敛、正前后不转、从不越界』的不变式核验，而非逐位对照 D3D 数值。未修改飞行物、技能、战斗、UI 或根运动/资源事件路径；Paralysis/Faint/Sleep 未接入移动门（新发现，记录于 Remaining，未修复）、根运动/AccumulationMovement、同步/受击门恢复顺序、真实模型姿态测试仍未闭合，合同保持 PARTIAL。"}