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.

config/external-sources.json

@@ -775,6 +775,66 @@
         "next-cache-components-optimizer": "优化 Next.js Cache Components 页面静态壳和导航体验。",
         "next-dev-loop": "通过 Next.js dev MCP 与真实浏览器验证运行时行为。"
       }
+    },
+    {
+      "id": "shuorenhua",
+      "repo": "https://github.com/MrGeDiao/shuorenhua.git",
+      "ref": "main",
+      "adapter": "claude-skill",
+      "pluginName": "shuorenhua",
+      "category": "Communication",
+      "skillPath": ".",
+      "metadataPath": ".claude-plugin/plugin.json",
+      "sparseCheckout": [
+        ".claude-plugin/plugin.json",
+        "SKILL.md",
+        "references",
+        "evals/real-samples.md",
+        "evals/benchmark-tiers.md",
+        "assets/icon.png",
+        "LICENSE"
+      ],
+      "brandColor": "#DC2626",
+      "manifestOverrides": {
+        "interface": {
+          "displayName": "shuorenhua",
+          "shortDescription": "清理中文文本中的 AI 套路，同时保留事实、术语和责任主体。",
+          "longDescription": "面向中文文本的改写和审稿 skill，用于清理模板套话、商业包装、工程师姿态腔、翻译腔和无依据的定性断言，并按场景控制改写力度，保留数字、命令、版本、因果条件和责任归属。",
+          "developerName": "MrGeDiao",
+          "category": "Communication",
+          "capabilities": [
+            "Interactive",
+            "Read",
+            "Write"
+          ],
+          "defaultPrompt": [
+            "使用 shuorenhua 帮我清理这段中文里的 AI 味，同时保留所有事实。",
+            "使用 shuorenhua 的 annotation mode 先标出这段文字的问题，不要直接改写。"
+          ],
+          "websiteURL": "https://github.com/MrGeDiao/shuorenhua",
+          "privacyPolicyURL": "https://github.com/MrGeDiao/shuorenhua",
+          "termsOfServiceURL": "https://github.com/MrGeDiao/shuorenhua/blob/main/LICENSE",
+          "brandColor": "#DC2626",
+          "logo": "./skills/shuorenhua/assets/icon.webp",
+          "composerIcon": "./skills/shuorenhua/assets/icon.webp"
+        }
+      },
+      "skillDescriptions": {
+        "shuorenhua": "检查和清理中英文文本里的 AI 套路，适用于去 AI 味、说人话、自然一点、别像模板或先标问题等改写和审稿需求，同时保留事实、术语、语域和责任主体。"
+      },
+      "excludePaths": [
+        ".claude-plugin",
+        "LICENSE"
+      ],
+      "includeRootFiles": [
+        "LICENSE"
+      ],
+      "webpCompressPaths": [
+        {
+          "path": "assets/icon.png",
+          "quality": 90
+        }
+      ]
     }
   ]
 }