to rename

apps/backend/Universe/Bootstrap/SystemTemplateLoader.cs

@@ -0,0 +1,20 @@
+using System.Text.Json;
+using Microsoft.Extensions.Options;
+
+namespace SpaceGame.Api.Universe.Bootstrap;
+
+public sealed class SystemTemplateLoader(IOptions<StaticDataOptions> staticDataOptions)
+{
+    private readonly JsonSerializerOptions _jsonOptions = new()
+    {
+        PropertyNameCaseInsensitive = true,
+    };
+
+    internal List<SolarSystemDefinition> Load()
+    {
+        var path = Path.Combine(staticDataOptions.Value.DataRoot, "systems.json");
+        var json = File.ReadAllText(path);
+        return JsonSerializer.Deserialize<List<SolarSystemDefinition>>(json, _jsonOptions)
+          ?? throw new InvalidOperationException("Unable to read systems.json.");
+    }
+}