Fix admin panel: deleteUser onclick, renderPlans null crash, credits PATCH route

fix(rf-invite): role manager + 5 starter credits for soci RF

feat(invite): multi-use RF invite link for soci/collaboratori

fix(admin): mobile responsive header, KPI grid, tabs

Fix admin: add openNewUserModal JS + POST /api/admin/users + fix access log LEFT JOIN + track logins

Fix executive/onepager: STW key fallbacks, sources count, questionnaire count, roadmap labels, line clamp

Fix admin panel: make standalone (was extending base with no block content)

Add team invite + access log buttons to admin panel

feat: add 'Svuota Cache AI' button in admin panel

Initial HF Spaces deployment (clean branch without large binaries)