docs(kaisa): ProAudio 主路线、WirePlumber default-profile 与一键脚本

- 新增 OPERATION_PipeWire_Kaisa_ProAudio / UCM_HiFi,核心问题复盘与恢复 Ubuntu 重测手顺;HDMI 旧文改为 stub。
- 脚本:apply / verify-pro-audio、strip default-profile、reapply-session、remove deb 与 UCM overlay、verify-audio-environment。
- systemd-user:kaisa-pro-audio-reapply.service 示例。
- README、docs 索引、REPO_INDEX、REPRO deb 存档说明;deb 标为未来计划;reference/ucm2 与采集脚本小改。
- debian 与 _bmad-output 规划文件随本次工作区一并更新。

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2026-04-08 11:07:13 +08:00
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# 登录会话:在 pipewire-pulse 就绪后延迟重施 pro-audio缓解「启动后出现一下又消失」
# (多为 GNOME/会话稍晚把卡改回 HiFi 或 stereo-fallback
#
# 安装(示例:脚本放到 ~/.local/bin避免 unit 里写死仓库路径):
# mkdir -p ~/.local/bin
# ln -sf /path/to/chromebox_10th_audio_driver/scripts/kaisa-reapply-pro-audio-session.sh ~/.local/bin/
# mkdir -p ~/.config/systemd/user
# cp docs/linux-hdmi/systemd-user/kaisa-pro-audio-reapply.service ~/.config/systemd/user/
# systemctl --user daemon-reload
# systemctl --user enable --now kaisa-pro-audio-reapply.service
#
# 与仓库示例 kaisa-hdmi-iec958-pipewire.service 二选一即可;本 unit 自带可执行路径(~/.local/bin
[Unit]
Description=Kaisa: re-apply PipeWire pro-audio after login (mitigate profile revert)
After=pipewire-pulse.service
Wants=pipewire-pulse.service
[Service]
Type=oneshot
RemainAfterExit=yes
ExecStartPre=/bin/sleep 2
ExecStart=%h/.local/bin/kaisa-reapply-pro-audio-session.sh
[Install]
WantedBy=default.target