"""Minimal flask-like template rendering sink (reachable)."""

def render(template: str, context: dict) -> str:
    return template.replace("{{name}}", context.get("name", "guest"))

def handle_request(body):
    template = body.get("template") if isinstance(body, dict) else None
    if not isinstance(template, str):
        return {"status": 400, "body": "bad request"}
    rendered = render(template, {"name": "guest"})
    # Sink: returns rendered template (models potential SSTI)
    return {"status": 200, "body": rendered}