docs(haptics): add SDK research and host evaluation tools

[qiin2333]

改了啥呀

把音频触觉的实施方案、阶段报告、Android 真机基准和宿主侧评测/Shadow 工具整理进 Harmony 仓库；SDK 本体已经搬到公开独立仓库 AlkaidLab/moonlight-audio-haptics，这里不再复制那一大坨算法源码啦。

新增统一 CMake 解析器：CI 可通过 AUDIO_HAPTICS_SDK_DIR 指向不可变 SDK checkout，本地默认识别并列目录 ../moonlight-audio-haptics。评测器和 Android NDK benchmark 都走同一个入口。

为啥要改

SDK 已经拥有独立 Apache-2.0 许可证、C ABI、Android AAR、测试与 v0.5.14 发布生命周期。Harmony 仓库继续保存宿主接入、实验基线和设备数据，边界清楚一点，版本就不会缠成杂鱼毛线球。

验证

• 独立 SDK Ubuntu/Windows Host：CTest 8/8
• 独立 CMake 安装包：下游 find_package 配置与链接通过
• 独立 Android AAR：单测、lint、三 ABI native build、assembleRelease 通过
• Harmony 宿主 evaluator 使用外部 AUDIO_HAPTICS_SDK_DIR：8/8 通过
• Meizu ARM 真机基准：P99 最差 274.270 μs，最低实时余量 22.5×，错误数 0

SDK 发布基线：v0.5.14 / commit e243a6ce65d6dec35976ca0eace3c5aff0d82cc4。

现有 Harmony 应用、StreamingSession 和 native Shadow 的未提交本地改动没有混进本 PR。

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📥 Commits

Reviewing files that changed from the base of the PR and between a30f69f and 939a7f8.

⛔ Files ignored due to path filters (1)

• tools/audio_haptics_eval/datasets/manifest.template.csv is excluded by !**/*.csv

📒 Files selected for processing (36)

• .gitignore
• cmake/ResolveMoonlightAudioHaptics.cmake
• docs/AUDIO_HAPTICS_ANDROID_DEVICE_BENCHMARK.md
• docs/AUDIO_HAPTICS_P0_BASELINE.md
• docs/AUDIO_HAPTICS_P1_SDK_FOUNDATION.md
• docs/AUDIO_HAPTICS_P2_CAUSAL_DSP.md
• docs/AUDIO_HAPTICS_P3_DEVICE_BENCHMARK.md
• docs/AUDIO_HAPTICS_P3_DEVICE_SHADOW.md
• docs/AUDIO_HAPTICS_P3_SHADOW_FOUNDATION.md
• docs/AUDIO_HAPTICS_SDK_IMPLEMENTATION_PLAN.md
• docs/AUDIO_HAPTICS_SDK_REPOSITORY.md
• tools/audio_haptics_android_bench/.gitignore
• tools/audio_haptics_android_bench/CMakeLists.txt
• tools/audio_haptics_android_bench/README.md
• tools/audio_haptics_android_bench/run_android_benchmark.py
• tools/audio_haptics_android_bench/src/main.cpp
• tools/audio_haptics_eval/.gitignore
• tools/audio_haptics_eval/CMakeLists.txt
• tools/audio_haptics_eval/README.md
• tools/audio_haptics_eval/capture_android_shadow.py
• tools/audio_haptics_eval/capture_device_shadow.py
• tools/audio_haptics_eval/datasets/README.md
• tools/audio_haptics_eval/device_shadow_gate.py
• tools/audio_haptics_eval/device_shadow_log.py
• tools/audio_haptics_eval/device_shadow_metadata.schema.json
• tools/audio_haptics_eval/device_shadow_metadata.template.json
• tools/audio_haptics_eval/fixtures/README.md
• tools/audio_haptics_eval/generate_fixtures.py
• tools/audio_haptics_eval/run_baseline.py
• tools/audio_haptics_eval/shadow_compare.py
• tools/audio_haptics_eval/src/main.cpp
• tools/audio_haptics_eval/src/sdk_core_onset_wrapper.h
• tools/audio_haptics_eval/tests/audio_haptics_shadow_disabled_test.cpp
• tools/audio_haptics_eval/tests/audio_haptics_shadow_test.cpp
• tools/audio_haptics_eval/tests/test_device_shadow_tools.py
• tools/audio_haptics_eval/validate_dataset.py

✨ Finishing Touches

🧪 Generate unit tests (beta)

• Create PR with unit tests
• Commit unit tests in branch codex/audio-haptics-action-rpg-beta

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