chore: traffic data 2026-08-13

Author: github-actions[bot]

traffic/stats-history.ndjson

@@ -116,3 +116,4 @@
 {"date": "2026-08-10", "stars": 414, "forks": 132, "watchers": 4, "open_issues": 2}
 {"date": "2026-08-11", "stars": 414, "forks": 132, "watchers": 4, "open_issues": 3}
 {"date": "2026-08-12", "stars": 414, "forks": 132, "watchers": 4, "open_issues": 3}
+{"date": "2026-08-13", "stars": 414, "forks": 132, "watchers": 4, "open_issues": 4}