observe → plan → implement → verify → review → learn.
The loop is capped at 20 iterations, includes a CI gate, and requires approval
before edits by default. Use --apply only when you have reviewed the plan;
--json makes it easy for another skill or an MCP client to consume.
Natural language works too:
arka loop, which repeats a command on a time interval,
and arka iterate, which repeats a command a fixed number of times.