/// Per-category seed URLs for the autonomous discovery agent.
/// Each entry is (category_name, &[source_urls]).
/// Source URLs are front pages or list pages where article links are prominent.
pub const SOURCES: &[(&str, &[&str])] = &[
    (
        "technology",
        &["https://news.ycombinator.com", "https://lobste.rs"],
    ),
    (
        "science",
        &["https://phys.org", "https://news.ycombinator.com?q=science"],
    ),
    (
        "jazz",
        &[
            "https://pitchfork.com/reviews/albums",
            "https://www.allaboutjazz.com/news",
        ],
    ),
    (
        "travel",
        &[
            "https://www.theguardian.com/travel",
            "https://www.cntraveler.com/latest-news",
        ],
    ),
    (
        "cooking",
        &[
            "https://www.seriouseats.com",
            "https://www.bonappetit.com/recipes",
        ],
    ),
    (
        "design",
        &["https://www.dezeen.com/news", "https://designobserver.com"],
    ),
    (
        "history",
        &[
            "https://www.historytoday.com",
            "https://www.smithsonianmag.com/history",
        ],
    ),
    (
        "health",
        &[
            "https://www.health.harvard.edu/blog",
            "https://www.theatlantic.com/health",
        ],
    ),
];

/// Return the source URLs for a given category, or an empty slice if unknown.
pub fn sources_for(category: &str) -> &'static [&'static str] {
    SOURCES
        .iter()
        .find(|(cat, _)| *cat == category)
        .map(|(_, srcs)| *srcs)
        .unwrap_or(&[])
}