Commit Graph

2 Commits

Author SHA1 Message Date
Luis Pater
7ff3936efe fix(caching): ensure prompt-caching beta is always appended and add multi-turn cache control tests 2026-01-31 01:42:58 +08:00
Martin Schneeweiss
3a43ecb19b feat(caching): implement Claude prompt caching with multi-turn support
- Add ensureCacheControl() to auto-inject cache breakpoints
- Cache tools (last tool), system (last element), and messages (2nd-to-last user turn)
- Add prompt-caching-2024-07-31 beta header
- Return original payload on sjson error to prevent corruption
- Include verification test for caching logic

Enables up to 90% cost reduction on cached tokens.

Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>
2026-01-29 22:59:33 +01:00