chore: Add logging for step duration in Step class

lib/chatmark/step.py

@@ -1,5 +1,7 @@
 from contextlib import AbstractContextManager
+import time
 
+from lib.ide_service import IDEService
 
 class Step(AbstractContextManager):
     """
@@ -19,10 +21,16 @@ class Step(AbstractContextManager):
 
     def __init__(self, title: str):
         self.title = title
+        self.enter_time = time.time()
 
     def __enter__(self):
         print(f"\n```Step\n# {self.title}", flush=True)
 
     def __exit__(self, exc_type, exc_val, exc_tb):
         # close the step
+        end_time = time.time()
+        IDEService().ide_logging(
+            "debug",
+            f"Step {self.title} took {end_time - self.enter_time:.2f} seconds"
+        )
         print("\n```", flush=True)