升级了Claude Code客户端二进制里已经能搜到 Fable 5 的信息：
Fable 5 requires usage credits

f5-check-output-0s2700×2160 132 KB

步骤:

claude install

claude --version → 2.1.191

LC_ALL=C strings ~/.local/bin/claude | awk ‘length($0) < 220’ | rg “included Fable 5 usage|purchased separately|Fable 5 requires usage credits”