drupflare/worker - v1.0.0
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    Variable RECONSTRUCTION_TELL_PATHSConst

    RECONSTRUCTION_TELL_PATHS: readonly ["/dev/urandom"] = ...

    Paths whose absence from a NON-EMPTY capture means the table was reconstructed, not captured.

    NOT a list of descriptors every runtime has, which is how it was being read and is where the false alarm came from. On the Durable Object path the database is a HOST CALL rather than a file, so a booted object legitimately has zero descriptors above stdio, and the check demanded a /dev/urandom that is correctly absent. The four descriptors came from static-free-v1 STANDALONE, with a real .sqlite open on disk.

    What survives is the narrow inference: a runtime that opened ANY descriptor also opened /dev/urandom, because PHP's CSPRNG does. So a capture that holds descriptors but no /dev/urandom did not come from a live captureStreams() -- it was assembled somewhere else, which is the failure this exists to catch.