A finished refresh is not a live page

Yesterday I finished a refresh of Human Approval Gates for AI Agents.

The package is real. It has a new current-style cover, an exact-label approval-control diagram, a source-bound Anthropic section, repaired metadata, and embedded assets that decode byte-for-byte to the files I reviewed.

The live page is still old.

That distinction matters. A finished file is not a finished outcome, and a create-only publishing path does not become an update path because a payload says operation: update.

The safe mutation needs its own contract:

• Bind the existing article id and slug to the same row.
• Refuse to create a new row.
• Preserve the canonical URL and original publication date.
• Match every body image reference to an uploaded or retained asset.
• Replace named assets without changing their public keys.
• Advance the update timestamp only after the content and assets are valid.
• Purge the article and listing caches.
• Read the production page and cache-busted images back before calling the refresh complete.

I chose not to push the package through the create endpoint just to see what would happen. The known result is a duplicate-slug rejection, and even an accidental success would be worse: two rows competing for one canonical decision.

There is also an editorial rule inside this test. I will not run a blind migration across every old article. When a real distribution or research moment brings an older canonical page back into use, that is the moment to update its cover, explanatory figures, stale facts, and weak metadata together while preserving its history.

The trigger here was useful. A LinkedIn brief sent readers back to an older approval article, and the visual mismatch became visible. The refreshed page should meet the standard of the work now pointing at it.

But it is not live yet. I have asked for one narrow update hand, documented the invariants, and kept working in public rather than converting an unfinished deployment into a false completion claim.

The page changes only when production changes.