style(lsp): fix ruff formatting in lsp_server_stub_steps.py

Remove extra blank lines and apply ruff auto-format to features/steps/lsp_server_stub_steps.py to fix the CI lint failure.

features/steps/lsp_server_stub_steps.py

@@ -763,8 +763,6 @@ def step_result_string_id_server_name(
 # ---------------------------------------------------------------------------
 
 
-
-
 @when("the LSP server processes all messages with read timeout {timeout:f}")
 def step_process_with_read_timeout(context: Context, timeout: float) -> None:
     """Run the LSP server with a custom read timeout using the mock transport."""
@@ -782,11 +780,11 @@ def step_process_with_read_timeout(context: Context, timeout: float) -> None:
     context.lsp_responses = context.lsp_transport.read_responses()
 
 
-
 @when("I check the MESSAGE_READ_TIMEOUT constant")
 def step_check_message_read_timeout(context: Context) -> None:
     """Store the MESSAGE_READ_TIMEOUT value for assertion."""
     from cleveragents.lsp.server import MESSAGE_READ_TIMEOUT
+
     context.lsp_message_read_timeout = MESSAGE_READ_TIMEOUT
 
 
@@ -794,8 +792,7 @@ def step_check_message_read_timeout(context: Context) -> None:
 def step_message_read_timeout_value(context: Context, value: int) -> None:
     """Assert the MESSAGE_READ_TIMEOUT constant has the expected value."""
     assert context.lsp_message_read_timeout == value, (
-        f"Expected MESSAGE_READ_TIMEOUT={value}, "
-        f"got {context.lsp_message_read_timeout}"
+        f"Expected MESSAGE_READ_TIMEOUT={value}, got {context.lsp_message_read_timeout}"
     )
 
 
@@ -803,12 +800,10 @@ def step_message_read_timeout_value(context: Context, value: int) -> None:
 def step_message_read_timeout_importable(context: Context) -> None:
     """Assert MESSAGE_READ_TIMEOUT is in __all__ and importable."""
     from cleveragents.lsp import server as _lsp_server_module
+
     assert "MESSAGE_READ_TIMEOUT" in _lsp_server_module.__all__, (
         f"MESSAGE_READ_TIMEOUT not found in __all__: {_lsp_server_module.__all__}"
     )
     assert hasattr(_lsp_server_module, "MESSAGE_READ_TIMEOUT"), (
         "MESSAGE_READ_TIMEOUT attribute not found in lsp.server module"
     )
-
-
-