chore(skills): Normalize agentphone metadata

Add the missing risk and source labels plus a When to Use section to
agentphone so the repository warning budget stays within the enforced
release threshold. Sync the generated skill index, plugin-safe copies,
and tracked web assets that reflect the canonical skill metadata.

Refs #442

apps/web-app/public/sitemap.xml

@@ -6,6 +6,18 @@
     <changefreq>daily</changefreq>
     <priority>1.0</priority>
   </url>
+  <url>
+    <loc>http://localhost/skill/humanize-chinese</loc>
+    <lastmod>2026-04-03</lastmod>
+    <changefreq>weekly</changefreq>
+    <priority>0.7</priority>
+  </url>
+  <url>
+    <loc>http://localhost/skill/uxui-principles</loc>
+    <lastmod>2026-04-03</lastmod>
+    <changefreq>weekly</changefreq>
+    <priority>0.7</priority>
+  </url>
   <url>
     <loc>http://localhost/skill/agentflow</loc>
     <lastmod>2026-04-03</lastmod>
@@ -234,16 +246,4 @@
     <changefreq>weekly</changefreq>
     <priority>0.7</priority>
   </url>
-  <url>
-    <loc>http://localhost/skill/lead-magnets</loc>
-    <lastmod>2026-04-03</lastmod>
-    <changefreq>weekly</changefreq>
-    <priority>0.7</priority>
-  </url>
-  <url>
-    <loc>http://localhost/skill/obsidian-bases</loc>
-    <lastmod>2026-04-03</lastmod>
-    <changefreq>weekly</changefreq>
-    <priority>0.7</priority>
-  </url>
 </urlset>

apps/web-app/public/skills.json.backup

@@ -707,6 +707,28 @@
       "reasons": []
     }
   },
+  {
+    "id": "agentphone",
+    "path": "skills/agentphone",
+    "category": "ai-ml",
+    "name": "agentphone",
+    "description": "Build AI phone agents with AgentPhone API. Use when the user wants to make phone calls, send/receive SMS, manage phone numbers, create voice agents, set up webhooks, or check usage \u2014 anything related to telephony, phone numbers, or voice AI.",
+    "risk": "unknown",
+    "source": "unknown",
+    "date_added": null,
+    "plugin": {
+      "targets": {
+        "codex": "supported",
+        "claude": "supported"
+      },
+      "setup": {
+        "type": "none",
+        "summary": "",
+        "docs": null
+      },
+      "reasons": []
+    }
+  },
   {
     "id": "agents-md",
     "path": "skills/agents-md",
@@ -14903,6 +14925,28 @@
       "reasons": []
     }
   },
+  {
+    "id": "humanize-chinese",
+    "path": "skills/humanize-chinese",
+    "category": "content",
+    "name": "humanize-chinese",
+    "description": "Detect and rewrite AI-like Chinese text with a practical workflow for scoring, humanization, academic AIGC reduction, and style conversion. Use when the user asks to \u53bbAI\u5473, \u964dAIGC, \u53bb\u9664AI\u75d5\u8ff9, \u8bba\u6587\u964d\u91cd, \u77e5\u7f51\u68c0\u6d4b, \u7ef4\u666e\u68c0\u6d4b, humanize chinese, detect AI text, or make Chinese text sound more natural.",
+    "risk": "safe",
+    "source": "community",
+    "date_added": "2026-04-03",
+    "plugin": {
+      "targets": {
+        "codex": "supported",
+        "claude": "supported"
+      },
+      "setup": {
+        "type": "none",
+        "summary": "",
+        "docs": null
+      },
+      "reasons": []
+    }
+  },
   {
     "id": "hybrid-cloud-architect",
     "path": "skills/hybrid-cloud-architect",
@@ -27825,6 +27869,28 @@
       "reasons": []
     }
   },
+  {
+    "id": "uxui-principles",
+    "path": "skills/uxui-principles",
+    "category": "design",
+    "name": "uxui-principles",
+    "description": "Evaluate interfaces against 168 research-backed UX/UI principles, detect antipatterns, and inject UX context into AI coding sessions.",
+    "risk": "safe",
+    "source": "community",
+    "date_added": "2026-04-03",
+    "plugin": {
+      "targets": {
+        "codex": "supported",
+        "claude": "supported"
+      },
+      "setup": {
+        "type": "none",
+        "summary": "",
+        "docs": null
+      },
+      "reasons": []
+    }
+  },
   {
     "id": "variant-analysis",
     "path": "skills/variant-analysis",