Feat(topstep): Migrate to Native Cython Extension

- Add  (Cython wrapper for REST + SignalR).
- Replace Node.js bridge dependency with .
- Update documentation.

Author: quantDIY

extensions/cpp/topstep/cython/setup.py

@@ -0,0 +1,16 @@
+from setuptools import setup, Extension
+from Cython.Build import cythonize
+
+extensions = [
+    Extension(
+        "topstep_ext",
+        ["topstep.pyx"],
+        language="c++",
+        extra_compile_args=["-std=c++17", "-O3"]
+    )
+]
+
+setup(
+    name="topstep_ext",
+    ext_modules=cythonize(extensions, compiler_directives={'language_level': "3"}),
+)

extensions/cpp/topstep/cython/test_topstep.py

@@ -0,0 +1,31 @@
+import asyncio
+import logging
+from topstep_ext import TopstepClient
+
+# Configure logging
+logging.basicConfig(level=logging.INFO)
+
+async def main():
+    print("--- Testing Topstep Extension ---")
+    
+    # 1. Instantiate
+    client = TopstepClient("https://api.topstepx.com")
+    print(f"Client created. Base URL: {client.base_url}")
+    
+    # 2. Check attributes
+    print(f"Token (should be empty): '{client.token}'")
+    
+    # 3. Test SignalR (Mock)
+    # We expect ValueError because of no token
+    try:
+        client.connect_signalr()
+    except ValueError as e:
+        print(f"Caught expected error: {e}")
+        
+    print("SUCCESS: TopstepClient instantiated and verified.")
+
+if __name__ == "__main__":
+    try:
+        asyncio.run(main())
+    except KeyboardInterrupt:
+        pass