feat: enable Anthropic prompt caching via automatic cache_control injection - #660

Merged

ilblackdragon merged 16 commits into

mainfrom

takeover/291-anthropic-prompt-caching

Mar 7, 2026

Commits on Feb 21, 2026

feat(llm): add Anthropic prompt caching and cache token tracking
Canvinus
committed
cef8a17
feat(cost): apply 90% cache discount to prompt-cached tokens in CostGuard
Canvinus
committed
b4dc4a7
refactor(cache): scope cache_control to Anthropic backend and validate model support
Canvinus
committed
f45a24e
fix(cache): validate model at construction and propagate cache metrics through proxy
Canvinus
committed
6883977
feat(llm): add configurable cache retention with write surcharge
Canvinus
committed
6d53a86
docs: fix stale cache_retention field comment
Canvinus
committed
1915c72

Commits on Feb 22, 2026

Merge branch 'main' into feat/anthropic-prompt-caching
ilblackdragon
authored
07c1db3
fix: resolve CI failures after upstream merge
Canvinus
committed
9c8a87d
fix: address Copilot review feedback
Canvinus
committed
734f371

Commits on Feb 24, 2026

Merge branch 'main' into feat/anthropic-prompt-caching
Canvinus
authored
8d2c6db

Commits on Mar 3, 2026

Merge branch 'main' into feat/anthropic-prompt-caching
Canvinus
authored
d89b314

Commits on Mar 7, 2026

merge: bring in PR #291 work and resolve conflicts
ilblackdragon
committed
9873506
fix: adapt prompt caching to registry architecture and add missing cache fields

ilblackdragon
and
Canvinus
committed
cf9804c
fix: delegate cache_write_multiplier through provider wrappers and make cache_read_discount configurable

ilblackdragon
and
claude
committed
5797660
style: cargo fmt

ilblackdragon
and
claude
committed
c4f7716
test: add CacheRetention FromStr/Display unit tests

ilblackdragon
and
claude
committed
cddd796