Harden DeepSeek JSON parsing with retry, pre-sanitize Lyria prompts, and instrumental fallback. Add pure HTML Winamp skin at /winamp with playlist export support. Co-authored-by: Cursor <cursoragent@cursor.com>
Tests cover curation, Lyria, queue, and API routes. Setting max_new_songs_per_day to 0 disables the limit; generate-batch runs 20 curated multilingual vocal directions. Co-authored-by: Cursor <cursoragent@cursor.com>
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