chore: sync profile metrics [skip ci]

public/heatmap.svg

@@ -386,6 +386,6 @@ text { font: 10px -apple-system,BlinkMacSystemFont,Segoe UI,Helvetica,Arial,sans
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 <rect x="654" y="56" width="10" height="10" rx="2" ry="2" fill="#9be9a8"><title>2026-08-19: 18 commits</title></rect>
 <rect x="654" y="68" width="10" height="10" rx="2" ry="2" fill="#9be9a8"><title>2026-08-20: 2 commits</title></rect>
-<rect x="654" y="80" width="10" height="10" rx="2" ry="2" fill="#9be9a8"><title>2026-08-21: 1 commit</title></rect>
+<rect x="654" y="80" width="10" height="10" rx="2" ry="2" fill="#9be9a8"><title>2026-08-21: 6 commits</title></rect>
 <rect x="654" y="92" width="10" height="10" rx="2" ry="2" fill="#ebedf0"><title>2026-08-22: 0 commits</title></rect>
 </svg>