Keep market source adapter as a local developer skill

Remove market-source-adapter from the public marketplace because it is a local Codex maintenance skill for adapting future third-party repositories, not a user-installable plugin.

Constraint: Marketplace content must contain only user-facing plugins; developer-only workflow skills belong in ~/.codex/skills.

Rejected: Mark it as internal in KeyInfo | That would still expose the skill through the product instead of keeping it as a local development aid.

Confidence: high

Scope-risk: narrow

Directive: Do not publish market-source-adapter to EAPIL Skill Market or KeyInfo skills_collection unless explicitly re-scoped as a user-facing skill.

Tested: python scripts/validate_marketplace.py; git diff --check; marketplace JSON check; quick_validate.py ~/.codex/skills/market-source-adapter

Not-tested: Restarting Codex to observe the global skill in the next thread.

README.md

@@ -42,7 +42,6 @@ codex plugin add superpowers@eapil-skill-market
 - `paper2code`：论文复现与代码实现辅助。
 - `find-skills`：帮助发现可安装 Skill。
 - `karpathy-guidelines`：Karpathy 风格的代码与模型训练指导原则。
-- `market-source-adapter`：第三方 Skill/插件仓库市场源适配流程。
 - `eapil-gpt2-image`：EAPIL 图像生成相关能力。
 
 查看市场插件：
@@ -117,5 +116,5 @@ python /Users/eapil/.codex/skills/.system/plugin-creator/scripts/validate_plugin
 
 ```powershell
 codex plugin marketplace add .
-codex plugin add market-source-adapter@eapil-skill-market
+codex plugin add docx@eapil-skill-market
 ```