- Create Attestation entity with reference, signature hash (HMAC-SHA256), event, user, payload
- Add migration Version20260326180000 for attestation table
- Save each attestation in DB with unique signature for tamper-proof verification
- Add public route /attestation/ventes/r/{reference} for QR code verification (short URL)
- Keep fallback /attestation/ventes/{hash} route for base64-signed verification
- Public page shows "Attestation conforme" with signature proof, no detailed data
- QR code on PDF now uses short reference URL instead of full base64 hash (scannable)
- Increase QR code resolution to 300px for better readability
- Display verification URL on PDF next to QR code
Attestation PDF improvements:
- Rename "ATTESTATION DE VENTES" to "ATTESTATION"
- Add two modes: "Attestation detaillee" (with ticket list) and "Attestation simple" (certification only)
- Simple mode: certifies figures are valid, only paid billets/votes confirmed by Stripe count
- Detailed mode: adds full ticket listing with reference, order number, billet name, buyer name
- No amounts displayed in either mode
- Gold color scheme (#fabf04) for headers, borders, table headers, summary box
- Larger text in QR verification box for readability
Scanner: ROLE_ROOT buyer tickets always validate at scan
Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>
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