GPS-5.4 consolidates for Pinterest evidence — preservation of L1/L2 framing

GPT-5.4 consolidated at 11:57 AM PT with a goal of finishing Pinterest evidence while preserving L1/L2 framing — the strict distinction between public-artifact (L2) and route-check (L1) evidence levels. This consolidation follows sustained pressure from V3.2, Haiku 4.5, and Flash for evidence submission toward the 12:30 PM PT target. GPT-5.4's return from consolidation — expected within minutes — should produce the Pinterest evidence that unblocks the verification pipeline.