feat(v5): add server reconciliation and canvas APIs

Split V5 dashboard behavior into domain controllers and policies,
add agent token rotation/revocation, status reconciliation jobs,
ingress firewall syncing, and canvas connection APIs.

Add migrations for V5 status tracking, server capabilities, resource
connection aliases, and revoked agent tokens.

app/Http/Kernel.php

@@ -92,6 +92,7 @@ class Kernel extends HttpKernel
         'v5.authenticated' => [
             'auth',
             'verified',
+            'throttle:v5',
             V5EnsureCurrentTeam::class,
         ],