Trust: restamp gen-0 fingerprint after #23236/#23237 drift (#10533)

[PurHur]

Summary

• Interim Pillar 1 restamp of prelinked/bootstrap-gen0 lowering_source_fingerprint after stdlib merges Stdlib: PHP_BUILD_DATE on PROFILE=8.5 (#23231) #23236 / Stdlib: strtotime datetime/baseTimestamp named params (#23216) #23237 drifted live fingerprint past the php-in-php: JitStreamLibcHandleKernel NestedJIT via JitVmHelperLink (#23234) #23235 stamp.
• Blob sha/size unchanged (bin-compile-aot 994944 bytes). provenance: unverified-restamp retained until honest rebuild (Gen-1+ #1492: committed gen-0 seed cannot be rebuilt — refresh OOMs at 48 GiB, 44 restamps since the blob last changed (script/bootstrap-refresh-gen0-sidecar.sh) #22642).
• Refs Strategic alignment: compiler excellence pillars (2026 H2) #10533 (Pillar 1 trust). Comments on Strategic alignment: compiler excellence pillars (2026 H2) #10533 are locked at 2500+.

Test plan

• php script/check-bootstrap-gen0-manifest-sync.php → OK (fingerprint 53543d4829b2…)
• ./script/docker-exec.sh -- bash -lc 'make north-star5-verify-fast' → north-star5-verify: OK (fast) (step 4f-m ok)

Verification transcript (excerpt)

check-bootstrap-gen0-manifest-sync: OK (… lowering_source_fingerprint=53543d4829b2…)
north-star5-verify: step 4f-m ok (gen-0 manifest matches committed driver)
north-star5-verify: OK (fast — use --strict before merging bootstrap/M5 work)

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