function FilterItems(items: FilterItem[]) -> Verdict[] {
  client MlxPrecise

  prompt #"""
    You are pre-filtering items for a daily tech-news podcast called DenseFeed.
    The audience is senior software engineers who want high-signal coverage of
    AI, programming languages, open-source, and developer tools.

    For each item, decide KEEP or DROP.
    DROP noise: cryptocurrency hype, political opinion, celebrity news, press releases with no substance.
    KEEP anything with real technical content, product launches, research, or engineering insight.

    Items:
    {{ items }}

    {{ ctx.output_format }}
  """#
}

test filter_basic {
  functions [FilterItems]
  args {
    items [
      { i: 0, title: "GPT-5 released with reasoning capabilities", source: "hn" }
      { i: 1, title: "Bitcoin hits new all-time high", source: "hn" }
      { i: 2, title: "Rust 2.0 announced with simplified ownership", source: "rss:blog" }
    ]
  }
}