ToCode: post #6027 — TG.ME

    while True:
        try:
            user_input = input("you> ").strip()
        except (EOFError, KeyboardInterrupt):
            print()
            break

        if not user_input:
            continue
        if user_input in ("exit", "quit"):
            break

        try:
            result = agent.run_sync(user_input, deps=deps, message_history=history)
            history = result.all_messages()
            print(f"\n{result.output}\n")
        except Exception as exc:  # keep the session alive on any single failure
            print(f"\n[error: {exc}]\n")

work_dir = Path(sys.argv[1]).resolve()
work_dir.mkdir(parents=True, exist_ok=True)

deps = Deps(work_dir=work_dir)

def read_file(
    ctx: RunContext[Deps], file: str, offset: int = 0, limit: int = MAX_OUTPUT
) -> str:
    """Read a file and return its text from ``offset`` for ``limit`` chars."""
    path = _resolve(ctx.deps.work_dir, file)
    if not path.is_file():
        return f"Error: no such file: {file}"
    text = path.read_text(encoding="utf-8", errors="replace")
    return text[offset : offset + limit]

def write_file(ctx: RunContext[Deps], file: str, new_content: str) -> str:
    """Create ``file`` or replace its entire contents with ``new_content``."""
    path = _resolve(ctx.deps.work_dir, file)
    path.parent.mkdir(parents=True, exist_ok=True)
    path.write_text(new_content, encoding="utf-8")
    return f"Wrote {len(new_content)} chars to {file}"

def edit_file(