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README — Constraints.
| Operator | Example | Notes |
|---|---|---|
== != | args.currency == "USD" | Strings use JSON double quotes |
< <= > >= | args.amount <= 500 | Type-mismatched comparisons fail-closed |
in | args.template in ["a", "b"] | RHS must be a JSON list |
not in | args.priority not in ["urgent"] | Two-word operator, treated as one |