Publish current ComfyUI O1Key code baseline

Replace the prior release tree with the current plugin, frontend, tests, and documentation. Document retired node IDs and the public Gitea update source.

tests/test_universal_llm.py

@@ -0,0 +1,40 @@
+import sys
+import types
+import unittest
+from pathlib import Path
+
+
+PACKAGE_DIR = Path(__file__).resolve().parents[1]
+sys.path.insert(0, str(PACKAGE_DIR.parent))
+
+# Import the node module without running the root registry, whose unrelated
+# ComfyUI imports initialize CUDA during package import.
+package = types.ModuleType("comfyui_o1key")
+package.__path__ = [str(PACKAGE_DIR)]
+sys.modules.setdefault("comfyui_o1key", package)
+nodes_package = types.ModuleType("comfyui_o1key.nodes")
+nodes_package.__path__ = [str(PACKAGE_DIR / "nodes")]
+sys.modules.setdefault("comfyui_o1key.nodes", nodes_package)
+
+from comfyui_o1key.nodes.universal_llm import (  # noqa: E402
+    DEFAULT_MODEL,
+    SUPPORTED_MODELS,
+    UniversalLLMChat,
+)
+
+
+class UniversalLLMModelTests(unittest.TestCase):
+    def test_gpt_6_sol_is_supported_and_default(self):
+        schema = UniversalLLMChat.GET_SCHEMA()
+        schema.validate()
+        model_input = next(item for item in schema.inputs if item.id == "模型")
+
+        self.assertEqual(DEFAULT_MODEL, "gpt-6-sol")
+        self.assertEqual(SUPPORTED_MODELS[0], DEFAULT_MODEL)
+        self.assertIn("gpt-6-astra", SUPPORTED_MODELS)
+        self.assertEqual(model_input.options, SUPPORTED_MODELS)
+        self.assertEqual(model_input.default, DEFAULT_MODEL)
+
+
+if __name__ == "__main__":
+    unittest.main()