feat(admin): DB-backed tenant + key issuance — one-click client onboarding (#141)

docs(app): lock P2 dashboard auth/config/review decisions + data model (#84)

feat(app): P1c — DB-backed tenant config store (seeded from files)

feat(app): W6 — per-tenant branding + auto-resizing embed snippet

feat(app): per-tenant email sender (emails from the tenant's own domain) (#70)

feat(app): W2 — publishable widget key + domain-lock (#64)

feat(app): ZIP service areas + per-area pricing (#59)