diff --git a/.claude/scheduled_tasks.lock b/.claude/scheduled_tasks.lock
deleted file mode 100644
index aa6b12d..0000000
--- a/.claude/scheduled_tasks.lock
+++ /dev/null
@@ -1 +0,0 @@
-{"sessionId":"c948583a-a0eb-4073-b795-783a8ce1e40b","pid":2464387,"procStart":"39737274","acquiredAt":1780098085141}
\ No newline at end of file
diff --git a/.gitignore b/.gitignore
new file mode 100644
index 0000000..2826ad0
--- /dev/null
+++ b/.gitignore
@@ -0,0 +1,2 @@
+# Claude Code local session / runtime state
+.claude/