Sync third-party and MCP marketplace plugins

Constraint: Public skills are published only by explicit administrator action unless they are tracked third-party market sources.
Confidence: high
Scope-risk: narrow
Directive: Keep private/internal skills out of the public marketplace and preserve normal incremental market Git history.
Tested: Marketplace validation passed.

plugins/codex/plugins/oh-my-codex/.codex-plugin/plugin.json

@@ -1,6 +1,6 @@
 {
   "name": "oh-my-codex",
-  "version": "0.19.0",
+  "version": "0.19.1",
   "description": "oh-my-codex 是 Codex CLI 的多 Agent 编排、结构化工作流、插件级 hooks、MCP 和 HUD 扩展插件。",
   "author": {
     "name": "Yeachan Heo",