fix: set qrcut upload User-Agent for Cloudflare

chore: add qrcut dual-write diagnostics

feat: optional dual-write to kvm9276 (qrcut.co) when QRCUT_* env vars are set

feat: add pagination to My QR Codes dashboard

fix: refresh dashboard destination from short links

improve: redesign my qr dashboard ux

feat: retarget saved QR short links from dashboard

Simplify QR scan breakdown table

Revert "Add hourly scan chart and Safari auth hint"

Add hourly scan chart and Safari auth hint

Revert "Attach username hint to QR generation saves"

Attach username hint to QR generation saves

Harden dashboard auth hint sync

Fix My QR dashboard auth fallback and sizing

Filter QR analytics to post-creation scans

Tighten QR dashboard session merge and image sizing

Improve session fallback dashboard UX

Fix pending dashboard query parsing

Improve pending QR recovery and dashboard sizing

Show and claim same-session pending QR saves

Claim same-session anonymous QR saves after sign-in

Support HF username fallback for dashboard saves

Fix Supabase server auth user agent

Add HF auth QR dashboard and saved generation backend