Deck list work

SVSim.EmulatedEntrypoint/Infrastructure/JsonbReadOptions.cs

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+using System.Text.Json;
+using System.Text.Json.Serialization;
+
+namespace SVSim.EmulatedEntrypoint.Infrastructure;
+
+/// <summary>
+/// Shared System.Text.Json options for deserializing jsonb-passthrough columns into typed DTOs.
+///
+/// The prod-captured globals JSON was seeded with snake_case_lower keys (see SVSim.Bootstrap
+/// GlobalsImporter — jsonb columns store the original capture verbatim). Deserialize-back must
+/// use the same naming policy so e.g. `card_pool_name` maps onto `CardPoolName`.
+///
+/// AllowReadingFromString handles prod's PHP-backend convention of emitting numeric values
+/// as JSON strings (e.g. `"ability_id": "1"`). Numeric-typed DTO properties accept those.
+///
+/// Used by LoadController and MyPageController (and any other controller that reads jsonb).
+/// </summary>
+public static class JsonbReadOptions
+{
+    public static readonly JsonSerializerOptions Instance = new()
+    {
+        PropertyNamingPolicy = JsonNamingPolicy.SnakeCaseLower,
+        PropertyNameCaseInsensitive = false,
+        NumberHandling = JsonNumberHandling.AllowReadingFromString,
+    };
+}