feat: integrate Strapi-native end-user sessions

[Schero94]

Summary

• Integrates Strapi-native Users & Permissions end-user session management while preserving existing Magic routes, response contracts, and legacy support.
• Keeps Strapi Admin sessions outside the plugin scope.
• Refines the responsive dashboard, settings, analytics, activation, session details, and user panel; hardens ownership, revocation, validation, and privacy-safe logging.

Verification

• 336 plugin tests passed, with frontend/backend type checks, package/runtime verification, and plugin build.
• Shared Strapi 5.58.0 admin build passed.
• The documented Playwright CLI acceptance covers the full action matrix and responsive breakpoint sweep using isolated synthetic data. External provider actions were mocked or not triggered.

Known upstream limitation

• The dependency audit still reports upstream Strapi peer-chain advisories. No compatible Strapi 5 fix is available for the affected braces version; the suggested forced fix downgrades to Strapi 4.26.2.