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Say in the contract who refuses a value, the CLI or the API #26

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Say in the contract who refuses a value, the CLI or the API #26

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1813a8d
Say in the contract who refuses a value, the CLI or the API
curquiza Oct 26, 2026
2ca1506
Say "spells a number", not "converts"
curquiza Oct 26, 2026
f493cd6
Cover the flags the parser types, which the rule contradicted
curquiza Oct 26, 2026
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2 changes: 2 additions & 0 deletions docs/contract/output.md
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Expand Up @@ -104,6 +104,8 @@ Destructive commands are those of the verb `delete`, as `commands.md` derives th
- A body-field flag given together with `--file` or `--data` overrides that field in the body. A flag overrides its environment variable the same way.
- The value `null` on a flag sends a JSON null: `--expires-at null`, `--stop-words null`.
- A command never reads stdin unless `--file -` or `--project-api-key -` is given. This avoids hanging when an agent runs it in a pipeline.
- The CLI refuses an input only when it can say what is wrong without the API. A body has to be parsed before the flags can be merged into it, so `--file` and `--data` fail as above with `cli_input_invalid`. A flag that `--help` types, an integer or one of a closed list of values, is refused with `cli_usage` and exit 2 before any call.
- Every other value travels as it is, and the API refuses it with its own code and its own message. The command converts what the route types as a fractional number or as an object, `--ranking-score-threshold`, `--vector`, `--hybrid`: text that spells the value becomes it, text that does not is sent as that text, so `meili search --ranking-score-threshold abc` answers `invalid_search_ranking_score_threshold` and exits 1. The CLI never re-checks what the API checks, and never invents a message or a code for it. Converting more than that would change the value in silence: `Number` reads `0x1` as 1 and writes an overflow as `null`, which an API that reads a null as "no value" answers 0 and the wrong data for.

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