Session Log: 2026-04-08

Task

Applied 20 improvements from .omc/plans/hft-megaprompt-v2.md to planning-logs/hft-megaprompt.md.

All 20 tasks applied via Edit tool:

T1: Fabrication Guard subsection in Section 10 (line ~3036)
T2: Canonical timestamp reference table in Ch8 spec (line ~1151)
T3: EOBI vs ETI split into principle vs measurement in Ch8 (line ~1129)
T4: PS Gateway IPC/NUMA enrichment in Ch2 (line ~629)
T5: Same-side/cross-side definitions for LF gateways in Ch2 (line ~638)
T6: Pricing complexity note in Ch4 (line ~784) and HF Ultra note in Pricing Summary (line ~1634)
T7: Market Data Engine enrichment in Ch2 (line ~655) and EOBI spec clarification in Ch5 (line ~930)
T8: Eurex vs Xetra partition distinction in Ch2 (line ~666)
T9: Cross-Batch Dependency Handling in Section 1 (line ~78)
T10: Citation Decision Rules in Section 2 (line ~150)
T11: Glossary Authority Protocol in Section 10 (line ~3123)
T12: Pre-commit hook, heading stability, PR workflow in Section 9 (line ~2945)
T13: Mermaid Version Lock in Section 4 (line ~406)
T14: Temporal Qualifier Handling in Section 10 (line ~3068)
T15: Expanded circular_keywords + staleness note (lines ~2813, ~1527)
T16: Seed Fact Registry in Section 9 (line ~2841)
T17: Two-tier PDF verification strategy in Section 9 (line ~2742)
T18: Pricing Update Workflow in Section 9 (line ~2974)
T19: Living Document Monitoring in Section 9 (line ~3000)
T20: Known Limitations of LLM-Generated Documentation in Section 10 (line ~3161)