Fix typer signature inspection issue with CodegenSession

- Updated requires_auth decorator to hide session parameter from Typer's signature inspection
- This prevents the 'Type not yet supported: CodegenSession' runtime error
- Typer now only sees the actual CLI parameters, not the injected session parameter

Author: codegen-sh[bot]

src/codegen/cli/auth/decorators.py

@@ -1,4 +1,5 @@
 import functools
+import inspect
 from collections.abc import Callable
 
 import rich
@@ -36,4 +37,10 @@ def wrapper(*args, **kwargs):
 
         return f(*args, session=session, **kwargs)
 
+    # Remove the session parameter from the wrapper's signature so Typer doesn't see it
+    sig = inspect.signature(f)
+    new_params = [param for name, param in sig.parameters.items() if name != 'session']
+    new_sig = sig.replace(parameters=new_params)
+    wrapper.__signature__ = new_sig
+
     return wrapper