Python: re-role trailing assistant message to user for Anthropic compatibility (fixes #5008) - #6207

Merged

Evan Mattson (moonbox3) merged 7 commits into

microsoft:mainfrom

hanhan761:fix-5008-anthropic-assistant-prefill

Jun 19, 2026

Commits on May 30, 2026

Fix auto function calling stripping explicit null arguments (fixes #5934)
hanhan761
committed
21c9a56
fix: re-role trailing assistant message to user for Anthropic (fixes #5008)
hanhan761
committed
2436b5e

Commits on Jun 2, 2026

fix: address Copilot review feedback (exclude_unset, test coverage, synthetic user turn)
hanhan761
committed
7cfe88f
fix: update docstring and extend exclude_unset to auto_invoke_function
hanhan761
committed
01a706e
revert: remove unrelated core _tools.py changes from Anthropic PR
hanhan761
committed
7f68a30

Commits on Jun 11, 2026

fix: avoid appending user turn after Anthropic tool use
hanhan761
committed
98cd205

Commits on Jun 19, 2026

Fix Anthropic tool-use type narrowing

Evan Mattson (moonbox3)
and
Copilot
committed
7868bd9