Runs the same validation gates as Create Strategy without persisting anything.
POST /v2/strategies. Useful for pre-flight
checks before submitting a create request — for example, to enable or disable
a submit button, surface inline form errors, or preview which assets in an
allocation would be rejected.
The endpoint accepts the same request body as Create Strategy and runs the
same two validation gates in the same order:
assetId must not be on the global blocklist, and
must either be present in our asset table or be recognized by the upstream
market data provider.x-api-key header (required)strategies:write400 when the asset gate or allocation validation fails401 when x-api-key header is missing or the key is invalid403 when the API key lacks the strategies:write scope500 on unexpected server errors