feat: add view in editor tool for sleeptime agent (#1589)

letta/functions/function_sets/base.py

@@ -195,20 +195,36 @@ def finish_rethinking_memory(agent_state: "AgentState") -> None:  # type: ignore
     return None
 
 
-def core_memory_insert(agent_state: "AgentState", target_block_label: str, line_number: int, new_memory: str) -> None:  # type: ignore
+def view_core_memory_with_line_numbers(agent_state: "AgentState", target_block_label: str) -> None:  # type: ignore
     """
-    Insert new memory content into a core memory block at a specific line number.
+    View the contents of core memory in editor mode with line numbers. Called before `core_memory_insert` to see line numbers of memory block.
+
+    Args:
+        target_block_label (str): The name of the block to view.
+
+    Returns:
+        None: None is always returned as this function does not produce a response.
+    """
+    return None
+
+
+def core_memory_insert(agent_state: "AgentState", target_block_label: str, new_memory: str, line_number: Optional[int] = None, replace: bool = False) -> None:  # type: ignore
+    """
+    Insert new memory content into a core memory block at a specific line number. Call `view_core_memory_with_line_numbers` to see line numbers of the memory block before using this tool.
 
     Args:
         target_block_label (str): The name of the block to write to.
-        line_number (int): Line number to insert content into (0 for beginning of file).
         new_memory (str): The new memory content to insert.
+        line_number (Optional[int]): Line number to insert content into, 0 indexed (None for end of file).
+        replace (bool): Whether to overwrite the content at the specified line number.
 
     Returns:
         None: None is always returned as this function does not produce a response.
     """
     current_value = str(agent_state.memory.get_block(target_block_label).value)
     current_value_list = current_value.split("\n")
+    if line_number is None:
+        line_number = len(current_value_list)
     current_value_list.insert(line_number, new_memory)
     new_value = "\n".join(current_value_list)
     agent_state.memory.update_block_value(label=target_block_label, value=new_value)