🔧 chore(scripts): require flag-driven args

SKILLS.md

@@ -49,38 +49,38 @@ $CODEX_HOME/skills/<skill-name>/SKILL.md
 本仓库已提供跨平台安装脚本（会把 `codex/skills/*` 复制到
 `$CODEX_HOME/skills/`）：
 
-- macOS/Linux：`sh scripts/install_codex_skills.sh`
-- PowerShell：`powershell -File scripts/install_codex_skills.ps1`
-- Windows bat：`scripts/install_codex_skills.bat`
+- macOS/Linux：`sh scripts/install_codex_skills.sh -all`
+- PowerShell：`powershell -File scripts/install_codex_skills.ps1 -All`
+- Windows bat：`scripts/install_codex_skills.bat -all`
 
 用法示例：
 
 ```bash
 # 安装全部 skills
-sh scripts/install_codex_skills.sh
+sh scripts/install_codex_skills.sh -all
 
 # 只安装指定 skills
-sh scripts/install_codex_skills.sh style-cleanup code-review-workflow
+sh scripts/install_codex_skills.sh -skills style-cleanup,code-review-workflow
 ```
 
 如果希望“项目内本地安装”（不污染全局），可用以下方式：
 
 ```bash
 # 安装到当前目录的 .codex/skills/
-sh scripts/install_codex_skills.sh -local
+sh scripts/install_codex_skills.sh -local -all
 
 # 或手动指定 CODEX_HOME
-CODEX_HOME="$(pwd)/.codex" sh scripts/install_codex_skills.sh
+CODEX_HOME="$(pwd)/.codex" sh scripts/install_codex_skills.sh -all
 ```
 
 PowerShell / Windows：
 
 ```powershell
-powershell -File scripts/install_codex_skills.ps1 -Local
+powershell -File scripts/install_codex_skills.ps1 -Local -All
 ```
 
 ```bat
-scripts\install_codex_skills.bat -local
+scripts\install_codex_skills.bat -local -all
 ```
 
 > 注意：Codex 只会从 `CODEX_HOME` 加载 skills；使用本地安装时，启动 Codex 需设置同样的 `CODEX_HOME`。
@@ -89,7 +89,7 @@ scripts\install_codex_skills.bat -local
 `docs/standards/playbook`），则在目标项目里执行：
 
 ```bash
-sh docs/standards/playbook/scripts/install_codex_skills.sh
+sh docs/standards/playbook/scripts/install_codex_skills.sh -all
 ```
 
 安装后重启 `codex`，即可在运行时看到 `## Skills` 列表。