TECH Signal 136
The Session You Cannot Take With You
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If you build applications on inference APIs, your session transcripts are becoming partial views of state that only the original provider can dereference, decrypt, or continue. This locks you into a provider and undermines your ability to inspect, audit, replay, or migrate conversations.
Written by elseif from the cluster below · every claim links back to a sourceThe three things worth knowing
Provider-returned "encryption" hides reasoning and subagent state from the client while remaining fully accessible to the provider, effectively sealing session data rather than protecting user privacy.
OpenAI's Responses API stores conversation state server-side by default for at least 30 days, turning what was a self-contained transcript into a pointer to provider-held data.
A portable session should pass five tests—inspection, export, replay, audit, and deletion—none of which are satisfied when the transcript depends on opaque IDs, ciphertext, or unretrievable search results.
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