GET /api/chain/:slug/tally/supply
Returns the supply row for one state machine.
Auth
optionalAuth. Public for is_public machines; viewer+ for private.
Response — 200
{
"ok": true,
"machine_slug": "my-iot-fleet",
"max_supply": 36500,
"tokens_minted": 1247,
"tokens_burned": 6,
"tokens_remaining": 35253
}