eedc700bb7
Three regression tests: 1. Header count reflects 8 patterns 2. All 8 patterns present in strict ascending order (1-8) 3. Original 4 patterns (brainstorming/discovery/plans/debugging) preserved verbatim — protects existing accuracy baseline from drift on future pamyatka edits. Closes Phase 3 brain-retro #9 candidates 7/1/8/10.