v0.3.19

What's Changed

• fix(runtime): preserve native read pages without artifact truncation by @jacoblee-io in #571
• fix: preserve source citations through final answer delivery by @LikiosSedo in #574
• fix(kbc): keep evidence references consistent with frozen sources by @LikiosSedo in #575
• chore(core): upgrade Pi SDK to 0.85.1 by @LikiosSedo in #579
• feat(trace): add bilingual interactive request timelines by @jacoblee-io in #581

Full Changelog: v0.3.18...v0.3.19