docs(kaisa): make UCM HiFi the only supported path

Promote UCM2/HiFi (Jack-driven) as the primary delivery, add HISTORY.md,
remove ProAudio/REPRO docs and non-UCM scripts, and fix repo-wide references.

Made-with: Cursor

docs/INDEX.md

@@ -4,10 +4,7 @@
 
 | 文档 | 说明 |
 | ---- | ---- |
-| [linux-hdmi/OPERATION_PipeWire_Kaisa_ProAudio.md](linux-hdmi/OPERATION_PipeWire_Kaisa_ProAudio.md) | **主路线**：**「核心问题」复盘**、pro-audio、`50-kaisa`、**default-profile**、IEC958、一键脚本、**恢复 Ubuntu 后重测**（**deb 见 §4.4**） |
-| [linux-hdmi/OPERATION_PipeWire_Kaisa_UCM_HiFi.md](linux-hdmi/OPERATION_PipeWire_Kaisa_UCM_HiFi.md) | **可选**：UCM2、HiFi、`60-kaisa-ucm.lua`（与 pro-audio 互斥） |
-| [linux-hdmi/OPERATION_PipeWire_Kaisa_HDMI.md](linux-hdmi/OPERATION_PipeWire_Kaisa_HDMI.md) | 旧文件名重定向（上表两篇取代） |
-| [linux-hdmi/REPRO_Kaisa_Deb_ProAudio_Manual.md](linux-hdmi/REPRO_Kaisa_Deb_ProAudio_Manual.md) | deb 手顺**存档**（未来计划） |
+| [linux-hdmi/OPERATION_PipeWire_Kaisa_UCM_HiFi.md](linux-hdmi/OPERATION_PipeWire_Kaisa_UCM_HiFi.md) | **主路线（交付）**：UCM2、HiFi、`60-kaisa-ucm.lua`、Jack-driven 端口、IEC958、安装 / 验收 / 排障 |
 | [README.md](README.md) | 本目录说明 |
 
-**脚本（仓库根 `scripts/`）**：一键 pro-audio — [`apply-kaisa-pro-audio.sh`](../scripts/apply-kaisa-pro-audio.sh)；登录后再拉 pro-audio — [`kaisa-reapply-pro-audio-session.sh`](../scripts/kaisa-reapply-pro-audio-session.sh)（[ProAudio §4.1b](linux-hdmi/OPERATION_PipeWire_Kaisa_ProAudio.md)）；卸历史 deb — [`remove-kaisa-hdmi-deb.sh`](../scripts/remove-kaisa-hdmi-deb.sh)；门禁 — [`verify-kaisa-pro-audio.sh`](../scripts/verify-kaisa-pro-audio.sh)。
+**脚本（仓库根 `scripts/`）**：禁用 pro-audio 片段 — [`disable-kaisa-pro-audio-wireplumber.sh`](../scripts/disable-kaisa-pro-audio-wireplumber.sh)；安装 UCM overlay — [`install-kaisa-ucm-overlay.sh`](../scripts/install-kaisa-ucm-overlay.sh)。