Provider-id charset: a stable lowercase URL/config slug. The provider host is
addressed by the bare tenant id, not by a tenant/provider composite; this
deliberately strict grammar keeps provider ids portable across route
segments, configuration keys, audit dimensions, and durable rows.
Provider-id charset: a stable lowercase URL/config slug. The provider host is addressed by the bare tenant id, not by a tenant/provider composite; this deliberately strict grammar keeps provider ids portable across route segments, configuration keys, audit dimensions, and durable rows.