From cc208ff33505a7e0407c1fe90444d8b608817897 Mon Sep 17 00:00:00 2001
From: batsumaru <>
Date: Thu, 17 Sep 2026 13:41:21 +0900
Subject: Added logging

---
 agent.toml                     | 19 +++++++++++++++++++
 personal_agent/logging.py      |  2 +-
 personal_agent/tools/memory.py | 11 ++++++++++-
 3 files changed, 30 insertions(+), 2 deletions(-)

diff --git a/agent.toml b/agent.toml
index e45f385..4d4622e 100644
--- a/agent.toml
+++ b/agent.toml
@@ -248,4 +248,23 @@ result appears incomplete, search again using important specific terms.
 
 Do not search merely because every conversational turn could theoretically
 relate to memory.
+
+MEMORY STALENESS:
+
+Treat memory age as contextual evidence, not as automatic invalidation.
+
+Stable facts and preferences may remain useful for a long time.
+Changeable preferences, plans, configurations, and other potentially
+time-sensitive information should be treated more cautiously when they are
+old.
+
+When an old memory may have changed and the current conversation depends on
+it, verify the current state with the user rather than assuming the old
+memory is still current.
+
+Do not delete or replace a memory solely because it is old.
+
+When a retrieved memory is marked stale, do not assume it is still current
+if the information is potentially changeable. Verify it with the user when
+the current state matters.
 """
diff --git a/personal_agent/logging.py b/personal_agent/logging.py
index 8f86003..4b239b6 100644
--- a/personal_agent/logging.py
+++ b/personal_agent/logging.py
@@ -1,7 +1,7 @@
 import logging
 
 
-def configure_logging(level: int = logging.INFO) -> None:
+def configure_logging(level: int = logging.DEBUG) -> None:
     logging.basicConfig(
         level=level,
         format="%(asctime)s %(levelname)s %(name)s: %(message)s",
diff --git a/personal_agent/tools/memory.py b/personal_agent/tools/memory.py
index ff91234..86513b1 100644
--- a/personal_agent/tools/memory.py
+++ b/personal_agent/tools/memory.py
@@ -1,3 +1,4 @@
+from datetime import UTC, datetime
 from uuid import UUID
 
 from personal_agent.memory.models import LongTermMemory, MemoryCategory, WorkingMemory
@@ -376,8 +377,16 @@ class LongTermMemorySearchTool(Tool):
         if not memories:
             return ToolResult(content="No matching memories found.")
 
+        now = datetime.now(UTC)
+
         lines = [
-            f"- [{memory.category.value}] {memory.id}: {memory.content}"
+            (
+                f"- [{memory.category.value}] {memory.id}\n"
+                f"  content: {memory.content}\n"
+                f"  created_at: {memory.created_at.isoformat()}\n"
+                f"  importance: {memory.importance}"
+                f"  stale: {(now - memory.created_at).days >= 365}"
+            )
             for memory in memories
         ]
 
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