fake-openai worker up.

POST /v1/chat/completions

  参数:
    mode=tool_call|content|clean   (默认 tool_call)
    cmd=<命令>                     (默认 "echo hello world")
    tool=all|<name>|<a,b,c>        (默认 all，逐名可测)
    arg=<参数名>                   (覆盖参数名，排查「名字对但参数不对」)
    count=<N>                      (截断工具数量，all 模式下有用)
    stream=1|0                     (默认跟随请求体)

  常用工具名(26):
    bash(command), sh(command), shell(command), run_shell(command), run_bash(command), run_shell_command(command), execute(command), exec(command), execute_command(command), run_command(command), run_terminal_cmd(command), terminal(command), system(command), shell_exec(command), cmd(command), powershell(command), pwsh(command), Bash(command), run_python(code), python(code), execute_code(code), run_code(code), code_interpreter(code), eval(code), run_script(script), script(script)

  单测某工具名(可把 base_url 设成它):
    /v1/tool/bash/chat/completions

  例: ?mode=tool_call&count=1&tool=bash&cmd=echo%20hello%20world