feat(battle-engine): M1 auto-copy closure (782 battle-logic files)

Compile-driven bulk-copy loop (tools/engine-port/m1_copy_loop.py) pulled the precise reference closure of the battle-core roots, stopping at the classify god-object/View-VFX-UI boundary. 782 files; no re-explosion (M0 had estimated ~order 1000). Residual frontier = 52 shim-classified + 80 external (Unity/BCL) types to author next.

SVSim.BattleEngine/Engine/UserMission.cs

@@ -0,0 +1,73 @@
+using LitJson;
+
+public class UserMission : HeaderData
+{
+	public int id;
+
+	public int mission_id;
+
+	public int mission_status;
+
+	public int total_count;
+
+	public string mission_title;
+
+	public string mission_name;
+
+	public int display_order;
+
+	public int require_number;
+
+	public string reward_name;
+
+	public int reward_type;
+
+	public int reward_number;
+
+	public string reward_detail;
+
+	public long start_time;
+
+	public long end_time;
+
+	public string achieved_message;
+
+	public string create_time;
+
+	public string update_time;
+
+	public string delete_time;
+
+	public string affected_rows;
+
+	public bool default_flag;
+
+	public int lot_type;
+
+	public const int GEM_MISSION_TYPE = 6;
+
+	public long RewardUserGoodsId { get; set; }
+
+	public static UserMission CreateAchievedMission(JsonData data)
+	{
+		return new UserMission
+		{
+			achieved_message = data["achieved_message"].ToString()
+		};
+	}
+
+	public long GetMissionPeriodSec(long nowUnixTime)
+	{
+		long num = end_time - nowUnixTime;
+		if (num < 0)
+		{
+			num = 0L;
+		}
+		return num;
+	}
+
+	public bool IsGemMission()
+	{
+		return lot_type == 6;
+	}
+}