Add new Cursor artifacts

Co-authored-by: Codex <codex@openai.com>

models/gpt-5-3-codex-cursor.json

@@ -0,0 +1,25 @@
+{
+  "label": "GPT-5.3 Codex",
+  "vendor": "OpenAI",
+  "harness": "Cursor",
+  "effort": "xhigh",
+  "artifactDir": "gpt-5-3-codex/cursor-xhigh",
+  "order": 32,
+  "runs": {
+    "mythos-craft": {
+      "file": "mythic-craft.html",
+      "note": {
+        "zh": "在 Cursor 中以 GPT-5.3 Codex（xhigh 思考配额）一次生成；本页为未经修改的原始产出。",
+        "en": "Generated in one shot by GPT-5.3 Codex (xhigh effort) inside Cursor; unmodified original output."
+      },
+      "contributor": "Nagi-ovo"
+    },
+    "pelican-cycling": {
+      "note": {
+        "zh": "在 Cursor 中以 GPT-5.3 Codex（xhigh 思考配额）一次生成；本页为未经修改的原始产出。",
+        "en": "Generated in one shot by GPT-5.3 Codex (xhigh effort) inside Cursor; unmodified original output."
+      },
+      "contributor": "Nagi-ovo"
+    }
+  }
+}