feat(replay): add ViewerBattleHistory entity + migration
New table backs /replay/info; composite PK (ViewerId, BattleId), index on (ViewerId, CreateTime) for the newest-first list query. 50-row per-viewer retention enforced by BattleHistoryWriter (next commit). Co-Authored-By: Claude Opus 4.7 <noreply@anthropic.com>
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using System;
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using Microsoft.EntityFrameworkCore.Migrations;
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#nullable disable
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namespace SVSim.Database.Migrations
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{
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/// <inheritdoc />
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public partial class AddViewerBattleHistory : Migration
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{
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/// <inheritdoc />
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protected override void Up(MigrationBuilder migrationBuilder)
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{
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migrationBuilder.CreateTable(
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name: "ViewerBattleHistories",
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columns: table => new
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{
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ViewerId = table.Column<long>(type: "bigint", nullable: false),
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BattleId = table.Column<long>(type: "bigint", nullable: false),
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BattleType = table.Column<int>(type: "integer", nullable: false),
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DeckFormat = table.Column<int>(type: "integer", nullable: false),
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TwoPickType = table.Column<int>(type: "integer", nullable: false),
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IsLimitTurn = table.Column<int>(type: "integer", nullable: false),
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SelfClassId = table.Column<int>(type: "integer", nullable: false),
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SelfSubClassId = table.Column<int>(type: "integer", nullable: false),
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SelfCharaId = table.Column<int>(type: "integer", nullable: false),
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SelfRotationId = table.Column<string>(type: "text", nullable: false),
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OpponentClassId = table.Column<int>(type: "integer", nullable: false),
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OpponentSubClassId = table.Column<int>(type: "integer", nullable: false),
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OpponentCharaId = table.Column<int>(type: "integer", nullable: false),
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OpponentName = table.Column<string>(type: "text", nullable: false),
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OpponentCountryCode = table.Column<string>(type: "text", nullable: false),
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OpponentEmblemId = table.Column<long>(type: "bigint", nullable: false),
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OpponentDegreeId = table.Column<long>(type: "bigint", nullable: false),
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OpponentRotationId = table.Column<string>(type: "text", nullable: false),
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IsWin = table.Column<bool>(type: "boolean", nullable: false),
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BattleStartTime = table.Column<DateTime>(type: "timestamp with time zone", nullable: false),
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CreateTime = table.Column<DateTime>(type: "timestamp with time zone", nullable: false)
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},
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constraints: table =>
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{
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table.PrimaryKey("PK_ViewerBattleHistories", x => new { x.ViewerId, x.BattleId });
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});
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migrationBuilder.CreateIndex(
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name: "IX_ViewerBattleHistories_ViewerId_CreateTime",
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table: "ViewerBattleHistories",
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columns: new[] { "ViewerId", "CreateTime" });
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}
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/// <inheritdoc />
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protected override void Down(MigrationBuilder migrationBuilder)
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{
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migrationBuilder.DropTable(
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name: "ViewerBattleHistories");
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}
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}
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}
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