fix: resolve Claude 4.6 assistant prefill compatibility issues - #16900

fix: resolve Claude 4.6 assistant prefill compatibility issues#16900

hsuanguo wants to merge 2 commits into

anomalyco:devanomalyco/opencode:devfrom

hsuanguo:fix/claude-4.6-prefill-proper-fixeshsuanguo/opencode:fix/claude-4.6-prefill-proper-fixesCopy head branch name to clipboard