TrueGrowth/openspec/changes/add-music-brief-controls/tasks.md

1. Implementation

• 1.1 Add musicBrief type, normalization, summary, and prompt formatting helpers
• 1.2 Persist normalized musicBrief on existing music analyzer records
• 1.3 Add lightweight song positioning controls to create and lyrics flows
• 1.4 Inject song positioning into text-model lyric draft/rewrite prompts
• 1.5 Preserve existing Suno submit fields and keep brief as upstream creative context

2. Verification

• 2.1 Add unit coverage for prompt injection and normalization
• 2.2 Run targeted music analyzer tests
• 2.3 Validate OpenSpec change