fix(python): add type annotations for sdk parameter

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>

Author: nicklasl

openfeature-provider/python/src/confidence/local_resolver.py

@@ -77,7 +77,9 @@ def _reload_instance(self, error: BaseException) -> None:
             except Exception as e:
                 logger.error("Failed to restore state after reload: %s", e)
 
-    def set_resolver_state(self, state: bytes, account_id: str, sdk=None) -> None:
+    def set_resolver_state(
+        self, state: bytes, account_id: str, sdk: Optional[object] = None
+    ) -> None:
         """Set the resolver state.
 
         Stores the state for recovery and delegates to WasmResolver.

openfeature-provider/python/src/confidence/wasm_resolver.py

@@ -96,7 +96,12 @@ def current_time(ptr: int) -> int:
         # Instantiate the module with imports
         self._instance = linker.instantiate(self._store, self._module)
 
-    def set_resolver_state(self, state: bytes, account_id: str, sdk=None) -> None:
+    def set_resolver_state(
+        self,
+        state: bytes,
+        account_id: str,
+        sdk: Optional[protobuf_message.Message] = None,
+    ) -> None:
         """Set the resolver state in the WASM module.
 
         Args: