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TEST_NAVIGATION_AUTHORITY_MAP_FRAGMENT_5_12_26.txt
STATUS: TEST FIXTURE — not canonical data
PURPOSE: Minimal nav reference for SGC-1 tests — 3 sections, 2 drifted chapters
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SECTION_1: HOMEPAGE_NAV
  /song-list-1/         | Song List 1 — The Last Man Singing
  /song-list-2/         | Song List 2 — Sheila Tequila
  /set-list-3/          | Set List 3 — Self in the Mirror

SECTION_2: SONGBOOK_NAV
  /6-of-35-the-quick-guide-a-f/   | Chapter 6 of 35 — Quick Guide A–F
  /7-of-35-quick-guide-g-to-x/   | Chapter 7 of 35 — Quick Guide G–X
  /18-of-35-business-plan/        | Chapter 19 of 35 — Business Plan  <- DRIFT: nav says 19, URL says 18

SECTION_3: CHAPTER_DRIFT_EXAMPLES
  /18-of-35-business-plan/        | Chapter 19 of 35  <- KNOWN DRIFT (BLOCK-H01)
  /20-35-the-lady-weaver/         | Chapter 20 of 35  <- DUPLICATE SLUG (BLOCK-H04)
  /36-35-lady-weaver/             | Chapter 20 of 35 alt slug  <- CONFLICT PAIR
