=== Verra structural checks ===
middle Hodge = (1, 21, 1)
H4 rank = 23
very-general algebraic rank = 2
transcendental rank = 21
transcendental shifted Hodge = (1, 19, 1)
general degree-2 K3 transcendental rank = 21
rank-21 Kuga-Satake fallback dimension = 524288

=== Proof tiers ===
tier 0 : ['associated_degree2_K3', 'double_EPW_quartic']
tier 1 : ['generic_Kuga_Satake']

=== Active Pareto frontier ===
- associated_degree2_K3
- double_EPW_quartic

=== Same-tier pruned ===

=== Fallback frontier(s) ===
- generic_Kuga_Satake (proof tier 1 )

=== Dimension compression ===
KS/K3 = 262144
KS/EPW = 131072

ALL VERRA BRIDGE FRONTIER CHECKS PASSED.
Spreadsheet runtime warmup failed during python startup
Traceback (most recent call last):
  File "/tmp/tmp.L2TH2Y5coc/artifact_tool_v2-2.8.22/artifact_tool/patches/warm_spreadsheet_runtime_on_startup.py", line 26, in warm_spreadsheet_runtime_on_startup
  File "/tmp/tmp.L2TH2Y5coc/artifact_tool_v2-2.8.22/artifact_tool/spreadsheet_warmup.py", line 785, in warm_spreadsheet_runtime
  File "/tmp/tmp.L2TH2Y5coc/artifact_tool_v2-2.8.22/artifact_tool/spreadsheet_warmup.py", line 720, in _warm_feature_flows
  File "/tmp/tmp.L2TH2Y5coc/artifact_tool_v2-2.8.22/artifact_tool/spreadsheet_warmup.py", line 704, in _warm_collaboration_flows
  File "/tmp/tmp.L2TH2Y5coc/artifact_tool_v2-2.8.22/artifact_tool/generated/interface/models.py", line 32317, in hydrate_crdt_from_proto
  File "/tmp/tmp.L2TH2Y5coc/artifact_tool_v2-2.8.22/artifact_tool/rpc/remote.py", line 749, in __call__
  File "/tmp/tmp.L2TH2Y5coc/artifact_tool_v2-2.8.22/artifact_tool/rpc/client.py", line 150, in call
artifact_tool.rpc.client.RemoteError: hydrateCrdtFromProto requires an empty collaborative document.
