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/httpapi/speakers.go

@@ -71,7 +71,7 @@ func speakerJSONFromStore(st store.Backend, sp *store.Speaker) map[string]any {
 
 func (s *Server) handleBundleSigningPublicKey(w http.ResponseWriter, r *http.Request) {
 	a, ok := authFromContext(r.Context())
-	if !ok || !s.requireAtLeast(w, a, "viewer") {
+	if !ok || !s.requirePerm(w, a, "bgp:network:read") {
 		return
 	}
 	writeJSON(w, http.StatusOK, map[string]any{