feat: add hallmark design skill

config/external-sources.json

@@ -1,5 +1,43 @@
 {
   "sources": [
+    {
+      "id": "hallmark",
+      "repo": "https://github.com/Nutlope/hallmark.git",
+      "ref": "main",
+      "adapter": "claude-skill",
+      "pluginName": "hallmark",
+      "category": "Creativity",
+      "skillPath": "skills/hallmark",
+      "sparseCheckout": ["skills/hallmark"],
+      "webpCompressPaths": ["references/themes"],
+      "skillTextReplacements": [
+        {"path": "SKILL.md", "old": "<slug>.jpg", "new": "<slug>.webp"},
+        {"path": "scripts/theme.mjs", "old": "'.jpg'", "new": "'.webp'"},
+        {"path": "scripts/theme.mjs", "old": "${t.slug}.jpg", "new": "${t.slug}.webp"},
+        {"path": "scripts/theme.mjs", "old": "${slug}.jpg", "new": "${slug}.webp"}
+      ],
+      "marketAssets": [{"source": "config/assets/hallmark.svg", "destination": "assets/market-icon.svg"}],
+      "manifestOverrides": {
+        "version": "2.0.0",
+        "description": "Hallmark 提供网站与页面的视觉设计、主题选择和浏览器检查工作流。",
+        "author": {"name": "Together AI", "url": "https://github.com/Nutlope"},
+        "homepage": "https://github.com/Nutlope/hallmark",
+        "repository": "https://github.com/Nutlope/hallmark",
+        "license": "MIT",
+        "keywords": ["hallmark", "design", "frontend", "themes", "accessibility"],
+        "interface": {
+          "displayName": "Hallmark",
+          "shortDescription": "设计网站与页面，选择视觉主题并检查最终效果。",
+          "longDescription": "Hallmark 提供视觉主题、设计参考、页面重设计和审阅工作流。主题与检查脚本需要 Node.js，浏览器检查需要可用的浏览器；可选的图像生成需要 Together AI 凭据和网络。",
+          "developerName": "Together AI",
+          "category": "Creativity",
+          "defaultPrompt": ["使用 Hallmark 为我的项目设计一个网页。"],
+          "logo": "./assets/market-icon.svg",
+          "composerIcon": "./assets/market-icon.svg"
+        }
+      },
+      "skillDescriptions": {"hallmark": "用于设计新网站和页面；仅在用户明确指定 Hallmark 时重设计或审阅现有页面。"}
+    },
     {
       "id": "docx",
       "repo": "https://github.com/anthropics/skills.git",