Tool approvals now persist for a conversation

What's Changed

Features

• feat(in-app-agent): approve a tool once for a whole conversation by @LysanderKie in https://github.com/langfuse/langfuse/pull/15849

Fixes

• fix(otel): map flat Anthropic cache token aliases to canonical usage buckets by @milanagm in https://github.com/langfuse/langfuse/pull/15411
• fix(evals): load v4 filter options from events by @wochinge in https://github.com/langfuse/langfuse/pull/15975

Chores

• chore(deps): bump nanoid to 3.3.16 by @nimarb in https://github.com/langfuse/langfuse/pull/15990
• chore(deps): bump js-yaml to 3.15.1 by @nimarb in https://github.com/langfuse/langfuse/pull/15991

Full Changelog: https://github.com/langfuse/langfuse/compare/v4.7.1...v4.8.0