mweinbach3/22/2026, 7:32:50 PM

Reorder buildActivityTraceEntries to always place reasoning items before tool
items within an activity group. During streaming, tool feed items can arrive
before the reasoning block is flushed, causing tools to appear before reasoning
in the rendered trace even though reasoning logically precedes tool use.

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>

Parent58adeb3