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Cycles, runway and the Reserve

icLens shows several balances. Each pays for something different, so a payment only helps if it goes to the right one.

Balance Belongs to Pays for
A canister’s cycles That canister Running that canister
Your Agent’s cycles The Agent canister Monitor, storage, queries and checks
The Reserve Your Agent Automatic top-ups of your canisters
Your wallet You, in OISY Top-ups and new canisters you pay for yourself

Topping up the Reserve doesn’t fund a canister, and topping up a canister doesn’t fund the Agent. Choose the balance you mean.

Runway is roughly how long a canister’s cycles last at its current burn. It is an estimate: a busier week shortens it. When there isn’t enough history yet, icLens says so, or uses the canister’s idle burn and labels it.

Every canister keeps a reserve of cycles set by its freezing threshold. When its balance falls to that reserve, the canister freezes and stops answering calls, even though its balance isn’t zero. A top-up unfreezes it.