shoc-backend/Data.SeaHavenIndustries/Models/TradeCatalog.cs

namespace Data.SeaHavenIndustries
{
    // SH-249 PROVISIONAL canonical trade vocabulary. Sourced from the
    // in-repo prototype seed (Api.SeaHavenIndustries/Program.cs, disabled
    // development seeding) because no authoritative Product list exists in
    // the repo. Product must confirm the list before release; after the
    // SH249_TradesVocabulary migration ships, extend the vocabulary only
    // through new migrations (and keep this catalog in sync — tests assert
    // the seeded table matches this catalog).
    public static class TradeCatalog
    {
        public static readonly IReadOnlyList<string> CanonicalTrades = new[]
        {
            "Plumbing",
            "Electrical",
            "HVAC",
            "Fire/Life Safety",
            "General",
            "Roofing",
            "Janitorial",
            "Painting",
            "Locksmith",
            "Carpentry"
        };

        public static string Normalize(string name) => name.Trim().ToLowerInvariant();
    }
}