pc-heiniandClaude Opus 5.5
84f4bcda55
- Send the location question as a user message. A request with only a
system message has no user content, which endpoints in front of Anthropic
models reject ("text content blocks must be non-empty").
- Leave unknown fields out of the web search user_location. After a failed
lookup there is no city or region, and the empty strings made every
request fail ("user_location.city: String should have at least 1
character").
Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>