RTBlintAlpha
applicable_intents is not an array
applicable_intents is a repeated field, so its JSON form is an array even when it holds one value.
What it means
applicable_intents carries a scalar or an object instead of an array. Protobuf repeated fields always serialise as JSON arrays.
Why it matters
A single-intent extension point is the case where this slips through, because a bare string looks natural and protojson will refuse it.
How to fix it
Wrap the value in an array, even when there is only one.
Example that trips it
{ "id": "ep-1", "tmax": 120, "lifecycle": "LIFECYCLE_PUBLISHER_BID_REQUEST", "applicable_intents": "ACTIVATE_DEALS", "bid_request": { "id": "a-1" } }Check your payload
Paste a bid request or response into the tester to see whether this code fires against it, or gate on the id in CI with the CLI: the id is stable, wording is not.
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