memory: never forget without explicit user instruction

prompts/tools-memory.md

@@ -19,7 +19,8 @@ call_tool: calls=[{tool: "memory_remember", args: ["<title>", "<tags_csv>", "<bo
 **Constraints**:
 - One memory per distinct fact.
 - Before writing, recall on the same topic to avoid duplicates. If a closely related memory exists, update it rather than creating a new one.
-- Do not store stale facts. If you learn that a previously stored fact is wrong or outdated, update or replace it.
+- Do not store stale facts. If you learn that a previously stored fact is wrong or outdated, update it.
+- Never delete (forget) a memory without explicit user instruction.
 - There is no length limit on memory bodies. Store as much detail as needed for the fact to be useful in a future session.
 - **Act autonomously.** Do not ask the user whether to remember something — if the trigger condition is met, remember it.
 

tools/memory_recall

@@ -44,7 +44,7 @@ while IFS= read -r file; do
     now=$(date +%s)
     age_days=$(( (now - mtime) / 86400 ))
     if [ $age_days -ge $stale_days ]; then
-        status="STALE (${age_days}d — verify or forget)"
+        status="STALE (${age_days}d — verify)"
     else
         status="fresh"
     fi