EPIC: Notes to grounded claims (VS-5)

[kmosoti]

Outcome

Raw class notes mature into linked and source-grounded claims.

Scope

• Note and NoteClaim models
• Note create/digest/claims API
• Note claim extraction
• Claim-to-concept linking
• Claim grounding
• Claim state transition validation
• Notes UI

Source Docs

• docs/01-requirements.md: Notes And Claim Maturation
• docs/02-architecture-mermaid.md: Note Claim Maturation

Done When

• Raw note is stored.
• Candidate claims are extracted.
• Claims link to concepts where possible.
• Claims ground against source spans.
• UI shows raw, parsed, grounded, partially grounded, conflicting, and quiz-ready states.