Request to compress conversation history.
The service layer injects a default query when the resolved backbone requires one (GemFilter), so callers never pass a query directly.
Conversation history to compress (list of messages, REQUIRED, max 1000)
Number of recent messages to keep uncompressed (default: 3)
Compression model to use. Defaults to DEFAULT_MODEL_HISTORY (hcc_latte_v1).
Target compression ratio: 0-1 (strength) or >1 for factor. Max 200. Default: 0.3
Source of an API request.
Format: source[:detail]
Successful Response