diff --git a/.gitignore b/.gitignore
index 4771656..4e007e4 100644
--- a/.gitignore
+++ b/.gitignore
@@ -24,3 +24,9 @@ tests/e2e/blob-results/
 # Local Linear configuration
 .claude/linear-config.json
 tsconfig.tsbuildinfo
+
+# Local agent/IDE artifacts (personal, not project)
+.agents/
+.codex/
+AGENTS.md
+.claude/scheduled_tasks.lock
diff --git a/packages/bhono-app/templates/base/_gitignore b/packages/bhono-app/templates/base/_gitignore
index 4771656..4e007e4 100644
--- a/packages/bhono-app/templates/base/_gitignore
+++ b/packages/bhono-app/templates/base/_gitignore
@@ -24,3 +24,9 @@ tests/e2e/blob-results/
 # Local Linear configuration
 .claude/linear-config.json
 tsconfig.tsbuildinfo
+
+# Local agent/IDE artifacts (personal, not project)
+.agents/
+.codex/
+AGENTS.md
+.claude/scheduled_tasks.lock
diff --git a/scripts/sync-template.sh b/scripts/sync-template.sh
index bb07e25..a651e8d 100755
--- a/scripts/sync-template.sh
+++ b/scripts/sync-template.sh
@@ -63,6 +63,7 @@ rsync -av --checksum --delete \
   --exclude='docs/plans/' \
   --exclude='docs/ets/' \
   --exclude='.claude/settings.local.json' \
+  --exclude='.claude/scheduled_tasks.lock' \
   --exclude='.agents/' \
   --exclude='.codex/' \
   --exclude='AGENTS.md' \