tag
architecture
4 posts.
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Your Agent's Memory Has No Idea Where It Was
Agent memory stores what was said and drops where it happened. Adding a page axis to a memory store took four live-only defects and a per-site permission model.
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Your agent's approval gate is probably just a warning label
We shipped plan cards, real parallel tool calls and an approval gate for an MCP agent. The gate was decoration for two days, and the fan was never parallel.
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A silent failure looks exactly like a feature you never built
Shipping an agent surface into 22 chat sites we don't own: the Chrome gesture that doesn't survive an await, and three builds all claiming one version number.
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Every copy of the rule agreed. That was the bug.
Four surfaces minted the same token four different ways, and all four agreed. How we found the drift, why the tests couldn't see it, and the guard that now can.