Say what you want done.
Keep it as a file.

Checked before it runs. Run with the model you choose. Proven afterwards.
Nika turns the AI work you repeat into a readable workflow that stays yours.

_{“Read my invoices. Ignore rejected ones. Sum by customer. Pay only after I approve.”
▶ The 30-second film, with sound (MP4) · an illustration with fixture data, not a recording: the program it draws passes the real check, and the film notes say what is real and what is illustrated.}

See it · Control · Try it · Examples · Why a file · Where it works · Limits · Docs

_{One sentence becomes a checked file; yes saves it, run it keeps the two paid rows, and /proof shows what the run recorded. The real Session, restyled; no AI model involved.}

_{Two mistakes caught before anything runs, the fix, and the clean re-check. Every line is captured from the real CLI.}

_{The audit first, then a real run on a local model (ollama/llama3.2:3b). Nothing leaves the machine.}

_{The chain read back intact, then one changed byte refused at the next line. A mock/echo rehearsal captured from the real CLI; the scan is an illustration.}

_{Unbounded until one line declares max_tokens, then a hard ceiling of $0.0614; a $0.05 budget refuses the run (exit 2). Prices are catalog estimates, not invoices; no model was called.}

_{Nothing ships without a yes: asked at a terminal, paused in CI, resumed by the printed line with the finished build reused. Every terminal line is captured from the real CLI; the door is an illustration.}

_{Your agent writes it, Nika checks it, you keep it. The agent session is an illustration; the checks and the rehearsal run are captured from the real CLI.}