add uv.lock and update gitignore to exclude output dir

Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>

Author: amit-sll

.gitignore

@@ -103,3 +103,6 @@ venv.bak/
 .mypy_cache/
 package/bin/sftp-config.json
 package/default/sftp-config.json
+
+# total_replay output
+total_replay/output/