require.NoError(t, os.WriteFile(filepath.Join(root, "main", "2026-01-01.jsonl"), []byte(first), 0o600))
require.NoError(t, os.WriteFile(filepath.Join(root, "main", "2026-01-02.jsonl"), []byte(second), 0o600))
require.NoError(t, os.WriteFile(filepath.Join(root, "main", "2026-01-01.jsonl"), []byte(first), 0o600))
require.NoError(t, os.WriteFile(filepath.Join(root, "main", "2026-01-02.jsonl"), []byte(second), 0o600))