fix: backup/restore use HF commit API, correct auth

refactor: server actions + SSR, fix backup/restore scripts, responsive

fix: init-db via sh+sqlite3 cli, exact prisma schema sql

fix: use sqlite3 cli to init db, install sqlite in alpine

fix: create empty db file before prisma connect

simplify: standalone has prisma, init-db at runtime, no template copy

fix: db push+build same stage, template db approach

fix: prisma db push at build time, template db, remove npx runtime

refactor: prisma 6 + sqlite, fix alpine sh, clean code

init: nexova - notes crud + sqlite + hf backup