Update paper2code skill in marketplace

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/.agents/plugins/marketplace.json

@@ -28,18 +28,6 @@
       },
       "category": "设计"
     },
-    {
-      "name": "paper2code",
-      "source": {
-        "source": "local",
-        "path": "./plugins/paper2code"
-      },
-      "policy": {
-        "installation": "AVAILABLE",
-        "authentication": "ON_INSTALL"
-      },
-      "category": "文档处理"
-    },
     {
       "name": "find-skills",
       "source": {
@@ -291,6 +279,18 @@
         "authentication": "ON_INSTALL"
       },
       "category": "文档处理"
+    },
+    {
+      "name": "paper2code",
+      "source": {
+        "source": "local",
+        "path": "./plugins/paper2code"
+      },
+      "policy": {
+        "installation": "AVAILABLE",
+        "authentication": "ON_INSTALL"
+      },
+      "category": "文档处理"
     }
   ]
 }

plugins/codex/plugins/paper2code/.codex-plugin/plugin.json

@@ -32,6 +32,8 @@
     "privacyPolicyURL": "https://git.playones.com/arechen/EapilSkillMarket",
     "termsOfServiceURL": "https://git.playones.com/arechen/EapilSkillMarket",
     "brandColor": "#2563EB",
-    "screenshots": []
+    "screenshots": [],
+    "composerIcon": "./assets/market-icon.svg",
+    "logo": "./assets/market-icon.svg"
   }
 }

plugins/codex/plugins/paper2code/assets/market-icon.svg

@@ -0,0 +1 @@
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