v0.52.0

Changelog

Features

• 4453366 feat(cost): surface an 'unpriced' signal so an uncatalogued model isn't silently $0 (#518)

Fixes

• 68a6f15 fix(cost): arm unpriced warning for defaults-block ceilings; surface in diagnose (#518)

Other

• 0da7700 docs(site): refresh public site + README through v0.51.0
• f69aeb9 docs: release v0.52.0 — cost observability + site current through 0.52
• 26775a5 merge: pin catalog prices to published provenance with a drift guard (#518 part 2a)
• 9bf4dec merge: refresh site + docs for v0.46→v0.51 (run capture, cost governance, embedding, security)
• 45f5f45 merge: unpriced-model signal so --max-cost isn't silently bypassed (#518 part 1)
• 42e6f22 test(llm): assert catalog pricing against published-price provenance (#518 part 2a)