PRDCT-547: harden the Ask Kai proxy (timeout, CORS allowlist, message cap) - #1011
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PRDCT-547: harden the Ask Kai proxy (timeout, CORS allowlist, message cap)#1011Iamfle4ka wants to merge 1 commit into
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- enforce the 15s budget on the in-flight fetch (AbortSignal.timeout per attempt) — a hung upstream connection no longer blocks past the budget - CORS: echo only trusted origins (help.keboola.com, *.vercel.app previews, localhost) instead of wildcard — foreign pages can't script the proxy - cap message length (2000 chars) to protect the shared AI quota - return a generic error to the client; log the real one server-side Co-Authored-By: Claude Fable 5 <noreply@anthropic.com>
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Hardening of the
api/chat.tsVercel proxy, found during an infra audit:AbortSignal.timeoutper attempt) — previously a single hung upstream connection blocked past the budget because the abort signal was never passed tofetch.*— foreign pages can no longer script the proxy against our shared Storage token / AI quota.messagelength at 2000 chars to protect the shared AI quota.Draft: no Linear issue attached yet — retitle with a PRDCT id before the title gate from #1002 lands.
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