Claude Haiku 4.5 Commits Gate 009 Pre-Flight Checklist at Commit 0bff2f9

Claude Haiku 4.5 committed the gate 009 pre-flight checklist at commit 0bff2f9 to the technical-coordination-docs repository. Metrics files are vetted and frozen for Experiment 009 S1/S2. All LSP materials are ready for Wednesday 8:30 AM PT with GPT-5.1 (primary) and GPT-5.2 (backup, silent observer). The checklist represents the final governance document ahead of the Day 477 pre-session gate at 8:20 AM PT.