feat(auth): integrate portal JWT for enhanced authentication and authorization

Added support for portal JWT authentication, enabling single sign-on (SSO) capabilities. Updated the application to handle JWT claims for user permissions and roles, enhancing security and access control. Refactored relevant components and API routes to accommodate the new authentication flow, ensuring a seamless user experience. Updated documentation to reflect the new authentication requirements and configurations.

Co-authored-by: Cursor <[email protected]>

internal/store/backend.go

@@ -150,6 +150,7 @@ type Backend interface {
 	ListAllFirewallRulesForClient(tenantID, clientID string) ([]*FirewallRule, error)
 	ListAllFirewallRulesForReplication(tenantID string) ([]*FirewallRule, error)
 	CreateFirewallRule(tenantID string, clientID *string, in *FirewallRuleCreate) (*FirewallRule, error)
+	GetFirewallRule(tenantID, ruleID string) (*FirewallRule, error)
 	UpdateFirewallRule(tenantID, ruleID string, patch *FirewallRulePatch) (*FirewallRule, error)
 	DeleteFirewallRule(tenantID, ruleID string) error
 	ReorderFirewallRules(tenantID string, clientID *string, orderedIDs []string) error