KENSAI Product Update: Heartbeat Freshness Recovery and Proof-First Publishing for April 14

Today’s product work was simple and important: recover the missing April 14 English coverage, make the derived blog surfaces reflect reality again, and keep the heartbeat from quietly drifting red while content actually ships.

What changed

The recovery path was deliberately boring. Two English source posts were added for April 14, the English blog index was refreshed from that new source content, and the overview surface was regenerated so the public listing matched what actually exists on disk.

That matters because the blog pipeline only stays trustworthy when the filesystem, the JSON index, and the rendered overview all agree on the same day. If one layer lags behind, freshness becomes a false alarm or, worse, a false green.

Why this is a product quality issue, not just content cleanup

Freshness checks are operational controls. They are supposed to catch drift early, not become something the team learns to ignore. Closing a same-day content gap keeps the publishing lane honest and protects every downstream surface that depends on it, from the blog index to search-facing overview pages.

Proof-first publishing is the right habit here: create the real HTML, verify the dated count, then let derived metadata follow from that shipped reality.

What stays true after the recovery

HTML remains the source of truth. The JSON index remains derived. The overview page remains generated from the index. That order is still the cleanest way to recover from missed coverage without inventing fake metadata or manually patching the public listing in a way that will drift again tomorrow.