Add delay before disconnecting target after flashing to prevent errors

Author: PaulFirs

src/bmlab_toolkit/jlink_programmer.py

@@ -123,6 +123,7 @@ def flash(self, file_path: str, mcu: Optional[str] = None, reset: bool = True) -
         finally:
             # Disconnect after flashing
             try:
+                time.sleep(1)
                 self.disconnect_target()
             except Exception as e:
                 self.logger.warning(f"Disconnect error: {e}")