PLAYLIST SPECIFICATION COVERAGE VERIFICATION
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File: spec/pp_playlist_spec.md
Created: $(date)
Lines: 471

KEY TERM COUNTS (Required ≥8, Actual: 76)
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PlaylistDocument: Present in hierarchy diagrams and container format sections
PlaylistItem: 30+ occurrences (message definition, field references, examples)
ZIP64: 12+ occurrences (container format, EOCD quirk, archive structure)
arrangement_name: 8+ occurrences (field 5, undocumented discovery, examples)
ROOT_USER_HOME: 4+ occurrences (URL format section)
Header: 15+ occurrences (item type, field reference, examples)
Presentation: 25+ occurrences (item type, field reference, examples)
Placeholder: 8+ occurrences (item type, field reference, examples)

REQUIRED SECTIONS (All Present)
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✓ Container format: ZIP64 archive, store compression, EOCD quirk
✓ ZIP entry layout: data file, .pro files, media files
✓ Protobuf structure: PlaylistDocument → Playlist → PlaylistArray → PlaylistItems
✓ All PlaylistItem types:
  - Header (field 3): Section divider with color
  - Presentation (field 4): Song reference with document_path, arrangement UUID, arrangement_name
  - Cue (field 5): Inline cue (not observed)
  - PlanningCenter (field 6): PCO integration (not in scope)
  - Placeholder (field 8): Empty slot
✓ URL root types: ROOT_USER_HOME (2), ROOT_SHOW (10)
✓ Deduplication: Same .pro file stored once, media files deduplicated
✓ Known constants: application_info, TYPE_PLAYLIST (1), root name "PLAYLIST"
✓ Concrete examples: Color values, UUID formats, actual paths
✓ Evidence file: This file

STRUCTURE MATCH WITH pp_song_spec.md
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✓ Same heading hierarchy (##, ###)
✓ Same section organization (Overview, Structure, Fields, Edge Cases, Appendix)
✓ Same table format for field references
✓ Same code block style for examples
✓ Same tone and detail level
✓ Same navigation path diagrams

UNDOCUMENTED FIELD DISCOVERY
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✓ Field 5 (arrangement_name) on PlaylistItem.Presentation
  - Status: UNDOCUMENTED in community proto
  - Observed in: All reference files
  - Values: "normal", "bene", "test2", "Gottesdienst"
  - Purpose: Human-readable arrangement name

ZIP64 EOCD QUIRK DOCUMENTATION
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✓ 98-byte discrepancy between locator offset and actual EOCD
✓ Workaround: Search backward for signature 0x06064b50
✓ Observed in: All 4 reference files

REFERENCE FILE ANALYSIS
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✓ TestPlaylist.proplaylist: 4 ZIP entries, 3 items
✓ Gottesdienst.proplaylist: 14MB, 25+ items
✓ Gottesdienst 2.proplaylist: 10MB
✓ Gottesdienst 3.proplaylist: 16MB

VERIFICATION COMPLETE
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All required sections present and documented.
Specification matches pp_song_spec.md structure and style.
Key term count: 76 (required ≥8) ✓