[PR] fix: insert Anthropic ephemeral tails before trailing client systems (#5432) - #5441

[PR] fix: insert Anthropic ephemeral tails before trailing client systems (#5432)#5441

ranxianglei merged 4 commits into

masterranxianglei/billion-context:masterfrom

2026-11-01_anthropic-trailing-system-tailsranxianglei/billion-context:2026-11-01_anthropic-trailing-system-tailsCopy head branch name to clipboard