add logfire instrumentation to services and repository code

Signed-off-by: phernandez <paul@basicmachines.co>

src/basic_memory/services/directory_service.py

@@ -4,6 +4,7 @@ import fnmatch
 import logging
 import os
 from typing import Dict, List, Optional, Sequence
+import logfire
 
 from basic_memory.models import Entity
 from basic_memory.repository import EntityRepository
@@ -23,6 +24,7 @@ class DirectoryService:
         """
         self.entity_repository = entity_repository
 
+    @logfire.instrument(record_return=True)
     async def get_directory_tree(self) -> DirectoryNode:
         """Build a hierarchical directory tree from indexed files."""
 
@@ -90,6 +92,7 @@ class DirectoryService:
         # Return the root node with its children
         return root_node
 
+    @logfire.instrument(record_return=True)
     async def get_directory_structure(self) -> DirectoryNode:
         """Build a hierarchical directory structure without file details.
 
@@ -133,6 +136,7 @@ class DirectoryService:
 
         return root_node
 
+    @logfire.instrument(record_return=True)
     async def list_directory(
         self,
         dir_name: str = "/",