drift_analysis/log_analysis/tests/data/sample_run1.csv

1	timestamp	run_id	policy_hash	warn_rate	unknown_rate	t_index_visible	t_gate_read	pinned_status
2	2024-06-01T10:00:00	run1	abc123	0.05	0.01	1.25	2.10	pinned
3	2024-06-01T10:05:00	run1	abc123	0.04	0.02	1.40	2.25	pinned
4	2024-06-01T10:10:00	run1	abc123	0.06	0.00	1.35	2.15	pinned
5	2024-06-01T10:15:00	run1	abc123	0.05	0.01	1.50	2.30	pinned
6	2024-06-01T10:20:00	run1	abc123	0.07	0.03	1.45	2.28	unpinned