feat(cache): ship prebuilt first-party artifacts - #893
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Resolve the independent review findings by reading only bounded loader-owned metadata and treating unavailable packaged blobs as clean misses. Closure-Matrix-Reopened: llvm-loaded-image-binding
Close the second review findings with explicit native-link dependency parity, bounded regular-file cache reads, and streaming object verification. Closure-Matrix-Reopened: release-native-dependency-and-untrusted-read-bounds
Prevent incomplete frontend keys from regaining authorization after rehydration disagreement, repair oversized writable blobs, and align LLVM miss precedence. Closure-Matrix-Reopened: rehydration-rejection-key-authorization
Recheck rejection after validated primary and packaged reads, and pair publication finalization with marker-first invalidation so every race converges fail-closed. Closure-Matrix-Reopened: rejection-linearization-after-value-validation
Make the ELF-note fixture builder fail closed on impossible length overflow so the compiler panic-source ratchet remains non-increasing.
sanohiro
marked this pull request as ready for review
August 27, 2026 05:07
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Summary
pkgunits in native release artifactsVerification
The local benchmark produced identical outputs and measured a median 62.433 s cache-off build versus 1.136 s with the packaged cache. The bundled payload was 3,181,376 bytes with a 665,058-byte archive delta; these measurements are evidence, not contractual thresholds.