**Motivations :**
- document and enforce the secure websocket endpoint for the relay
- streamline wallet setup flow without manual blockers
**Modifications :**
- update docs and service bootstrap logic to rely on VITE_BOOTSTRAPURL with explicit /ws suffix
- clean wallet setup and block sync pages to run automatically without continue buttons
- refresh shared styles and services to match the new initialization path and logging adjustments
**Page affectées :**
- docs/INTEGRATION.md
- src/services/service.ts
- src/pages/wallet-setup/wallet-setup.*
