feat(mockups): 17 voyage with real content (FLAC, synced lyrics, Odyssey passage)

Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>

docs/design/002-direction-round-notes.md

@@ -341,6 +341,13 @@ and brief one agent from a copy of 16, using `/content/library.json`, `parseLrc`
 - Resumed from §18. 17 (real content) is started now, as agreed; the user's reaction to 16 is asked
   in parallel.
 
+- **17 is finished and committed**; report in `docs/design/002-sea-chart-spikes/17-voyage-real-report.md`.
+  Real FLAC playback with seeking, line-synced lyrics (click a line to seek), the Butler Odyssey passage
+  in a reading view, fallback to 16 without the folder. Agent's choices: "Play voyage" stays silent (no
+  excerpts, avoids near-autoplay); part buttons dropped in real mode (sample part times don't match the
+  recordings). Open: passage start points are keyword guesses; parts/motifs aren't timed to the
+  recordings yet (report proposes a small mapping file in the content folder).
+
 ## Open questions (in priority order)
 
 1. ~~Which sea-chart approach (08–11) reads best, or which mix?~~ 11's navigation + 10's style (§9).