feat: add TradeContext, Subcategory and LastAnalyzedAt

src/Predictalytics.Domain/Entities/Trade.cs

@@ -91,5 +91,9 @@ public class Trade
     // ── Navigation ────────────────────────────────────────────────────────
     public Trader Trader { get; set; } = null!;
     public MarketOutcome? MarketOutcome { get; set; }
+
+    /// <summary>Analytics context containing high-resolution price data and slippage (if collected).</summary>
+    public TradeContext? Context { get; set; }
+
     public Market? DbMarket { get; set; }
 }

src/Predictalytics.Domain/Entities/TradeContext.cs

@@ -0,0 +1,29 @@
+using Predictalytics.Domain.Enums;
+
+namespace Predictalytics.Domain.Entities;
+
+/// <summary>
+/// High-resolution analytics context for a specific trade.
+/// Collected asynchronously after a trade is discovered to calculate Slippage and Edge.
+/// Only collected for Watchlisted or high-scoring traders to conserve database space.
+/// </summary>
+public class TradeContext
+{
+    public long Id { get; set; }
+
+    /// <summary>The ID of the parent trade.</summary>
+    public long TradeId { get; set; }
+    public Trade Trade { get; set; } = null!;
+
+    /// <summary>The estimated mid-price of the asset roughly 1 minute before the trade execution.</summary>
+    public decimal? PriceBefore1m { get; set; }
+
+    /// <summary>The estimated mid-price of the asset roughly 1 minute after the trade execution.</summary>
+    public decimal? PriceAfter1m { get; set; }
+
+    /// <summary>Calculated slippage: execution price vs PriceBefore1m.</summary>
+    public decimal? EstimatedSlippage { get; set; }
+
+    /// <summary>Estimated order type based on fee or exact price matching.</summary>
+    public OrderType EstimatedOrderType { get; set; } = OrderType.Unknown;
+}

src/Predictalytics.Domain/Entities/Trader.cs

@@ -64,6 +64,9 @@ public class Trader
     /// <summary>When the AI strategy summary was last updated.</summary>
     public DateTime? AiStrategyUpdatedAt { get; set; }
 
+    /// <summary>When the TraderAnalyticsWorker last performed a deep dive on this trader.</summary>
+    public DateTime? LastAnalyzedAt { get; set; }
+
     /// <summary>Total number of trades tracked.</summary>
     public int TotalTrades { get; set; }
 

src/Predictalytics.Domain/Entities/TraderCategoryPerformance.cs

@@ -11,6 +11,9 @@ public class TraderCategoryPerformance
 
     public MarketCategory Category { get; set; }
 
+    /// <summary>Subcategory (e.g. "Basketball", "Elections", "Bitcoin").</summary>
+    public string Subcategory { get; set; } = string.Empty;
+
     /// <summary>Total volume traded in this category (USD).</summary>
     public decimal TotalVolume { get; set; }
 

src/Predictalytics.Domain/Enums/OrderType.cs

@@ -0,0 +1,8 @@
+namespace Predictalytics.Domain.Enums;
+
+public enum OrderType
+{
+    Unknown = 0,
+    Maker = 1,
+    Taker = 2
+}

src/Predictalytics.Infrastructure/Data/AppDbContext.cs

@@ -19,6 +19,7 @@ public class AppDbContext : DbContext
     public DbSet<TraderPosition> TraderPositions => Set<TraderPosition>();
     public DbSet<MarketOutcomePriceSnapshot> MarketOutcomePriceSnapshots => Set<MarketOutcomePriceSnapshot>();
     public DbSet<TraderCategoryPerformance> TraderCategoryPerformances => Set<TraderCategoryPerformance>();
+    public DbSet<TradeContext> TradeContexts => Set<TradeContext>();
 
     public AppDbContext(DbContextOptions<AppDbContext> options) : base(options) { }
 
@@ -150,9 +151,21 @@ public class AppDbContext : DbContext
             e.HasKey(tcp => tcp.Id);
             e.HasOne(tcp => tcp.Trader).WithMany(t => t.CategoryPerformances).HasForeignKey(tcp => tcp.TraderId).OnDelete(DeleteBehavior.Cascade);
             e.Property(tcp => tcp.Category).HasConversion<string>().HasMaxLength(64);
+            e.Property(tcp => tcp.Subcategory).HasMaxLength(128);
             e.Property(tcp => tcp.TotalVolume).HasPrecision(18, 4);
             e.Property(tcp => tcp.TotalPnL).HasPrecision(18, 4);
-            e.HasIndex(tcp => new { tcp.TraderId, tcp.Category }).IsUnique();
+            e.HasIndex(tcp => new { tcp.TraderId, tcp.Category, tcp.Subcategory }).IsUnique();
+        });
+
+        // TradeContext
+        mb.Entity<TradeContext>(e =>
+        {
+            e.HasKey(tc => tc.Id);
+            e.HasOne(tc => tc.Trade).WithOne(t => t.Context).HasForeignKey<TradeContext>(tc => tc.TradeId).OnDelete(DeleteBehavior.Cascade);
+            e.Property(tc => tc.PriceBefore1m).HasPrecision(18, 4);
+            e.Property(tc => tc.PriceAfter1m).HasPrecision(18, 4);
+            e.Property(tc => tc.EstimatedSlippage).HasPrecision(18, 4);
+            e.Property(tc => tc.EstimatedOrderType).HasConversion<string>().HasMaxLength(32);
         });
 
         // PlatformConfig

src/Predictalytics.Infrastructure/Migrations/20260705165602_AddTradeContextAndSubcategory.Designer.cs

@@ -0,0 +1,966 @@
+// <auto-generated />
+using System;
+using Microsoft.EntityFrameworkCore;
+using Microsoft.EntityFrameworkCore.Infrastructure;
+using Microsoft.EntityFrameworkCore.Metadata;
+using Microsoft.EntityFrameworkCore.Migrations;
+using Microsoft.EntityFrameworkCore.Storage.ValueConversion;
+using Predictalytics.Infrastructure.Data;
+
+#nullable disable
+
+namespace Predictalytics.Infrastructure.Migrations
+{
+    [DbContext(typeof(AppDbContext))]
+    [Migration("20260705165602_AddTradeContextAndSubcategory")]
+    partial class AddTradeContextAndSubcategory
+    {
+        /// <inheritdoc />
+        protected override void BuildTargetModel(ModelBuilder modelBuilder)
+        {
+#pragma warning disable 612, 618
+            modelBuilder
+                .HasAnnotation("ProductVersion", "8.0.11")
+                .HasAnnotation("Relational:MaxIdentifierLength", 64);
+
+            MySqlModelBuilderExtensions.AutoIncrementColumns(modelBuilder);
+
+            modelBuilder.Entity("Predictalytics.Domain.Entities.Alert", b =>
+                {
+                    b.Property<int>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("int");
+
+                    MySqlPropertyBuilderExtensions.UseMySqlIdentityColumn(b.Property<int>("Id"));
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("datetime(6)");
+
+                    b.Property<bool>("IsRead")
+                        .HasColumnType("tinyint(1)");
+
+                    b.Property<string>("Message")
+                        .IsRequired()
+                        .HasMaxLength(4096)
+                        .HasColumnType("varchar(4096)");
+
+                    b.Property<int>("Platform")
+                        .HasColumnType("int");
+
+                    b.Property<int>("Severity")
+                        .HasColumnType("int");
+
+                    b.Property<string>("Title")
+                        .IsRequired()
+                        .HasMaxLength(512)
+                        .HasColumnType("varchar(512)");
+
+                    b.Property<int?>("TraderId")
+                        .HasColumnType("int");
+
+                    b.Property<int>("Type")
+                        .HasColumnType("int");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("CreatedAt");
+
+                    b.HasIndex("TraderId");
+
+                    b.ToTable("Alerts");
+                });
+
+            modelBuilder.Entity("Predictalytics.Domain.Entities.Event", b =>
+                {
+                    b.Property<int>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("int");
+
+                    MySqlPropertyBuilderExtensions.UseMySqlIdentityColumn(b.Property<int>("Id"));
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("datetime(6)");
+
+                    b.Property<DateTime>("DbCreatedAt")
+                        .HasColumnType("datetime(6)");
+
+                    b.Property<string>("Description")
+                        .HasMaxLength(4096)
+                        .HasColumnType("varchar(4096)");
+
+                    b.Property<DateTime?>("EndDate")
+                        .HasColumnType("datetime(6)");
+
+                    b.Property<string>("ImageUrl")
+                        .HasMaxLength(1024)
+                        .HasColumnType("varchar(1024)");
+
+                    b.Property<bool>("IsActive")
+                        .HasColumnType("tinyint(1)");
+
+                    b.Property<bool>("IsClosed")
+                        .HasColumnType("tinyint(1)");
+
+                    b.Property<DateTime?>("LastUpdatedAt")
+                        .HasColumnType("datetime(6)");
+
+                    b.Property<int>("Platform")
+                        .HasColumnType("int");
+
+                    b.Property<long>("PlatformEventId")
+                        .HasColumnType("bigint");
+
+                    b.Property<string>("Slug")
+                        .IsRequired()
+                        .HasMaxLength(512)
+                        .HasColumnType("varchar(512)");
+
+                    b.Property<DateTime?>("StartDate")
+                        .HasColumnType("datetime(6)");
+
+                    b.Property<string>("Tags")
+                        .IsRequired()
+                        .HasMaxLength(1024)
+                        .HasColumnType("varchar(1024)");
+
+                    b.Property<string>("Title")
+                        .IsRequired()
+                        .HasMaxLength(1024)
+                        .HasColumnType("varchar(1024)");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("Platform", "PlatformEventId")
+                        .IsUnique();
+
+                    b.ToTable("Events");
+                });
+
+            modelBuilder.Entity("Predictalytics.Domain.Entities.Market", b =>
+                {
+                    b.Property<int>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("int");
+
+                    MySqlPropertyBuilderExtensions.UseMySqlIdentityColumn(b.Property<int>("Id"));
+
+                    b.Property<string>("Category")
+                        .IsRequired()
+                        .HasMaxLength(64)
+                        .HasColumnType("varchar(64)");
+
+                    b.Property<string>("ConditionId")
+                        .IsRequired()
+                        .HasMaxLength(256)
+                        .HasColumnType("varchar(256)");
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("datetime(6)");
+
+                    b.Property<DateTime>("DbCreatedAt")
+                        .HasColumnType("datetime(6)");
+
+                    b.Property<string>("Description")
+                        .HasMaxLength(4096)
+                        .HasColumnType("varchar(4096)");
+
+                    b.Property<DateTime?>("EndDate")
+                        .HasColumnType("datetime(6)");
+
+                    b.Property<int>("EventId")
+                        .HasColumnType("int");
+
+                    b.Property<string>("ImageUrl")
+                        .HasMaxLength(1024)
+                        .HasColumnType("varchar(1024)");
+
+                    b.Property<bool>("IsResolved")
+                        .HasColumnType("tinyint(1)");
+
+                    b.Property<DateTime?>("LastTradesUpdatedAt")
+                        .HasColumnType("datetime(6)");
+
+                    b.Property<DateTime?>("LastUpdatedAt")
+                        .HasColumnType("datetime(6)");
+
+                    b.Property<decimal>("Liquidity")
+                        .HasPrecision(18, 4)
+                        .HasColumnType("decimal(18,4)");
+
+                    b.Property<string>("MarketSlug")
+                        .IsRequired()
+                        .HasMaxLength(512)
+                        .HasColumnType("varchar(512)");
+
+                    b.Property<int>("Platform")
+                        .HasColumnType("int");
+
+                    b.Property<long>("PlatformMarketId")
+                        .HasColumnType("bigint");
+
+                    b.Property<string>("Question")
+                        .IsRequired()
+                        .HasMaxLength(1024)
+                        .HasColumnType("varchar(1024)");
+
+                    b.Property<string>("QuestionId")
+                        .IsRequired()
+                        .HasMaxLength(256)
+                        .HasColumnType("varchar(256)");
+
+                    b.Property<string>("ResolutionOutcome")
+                        .HasColumnType("longtext");
+
+                    b.Property<DateTime?>("StartDate")
+                        .HasColumnType("datetime(6)");
+
+                    b.Property<string>("Subcategory")
+                        .IsRequired()
+                        .HasMaxLength(128)
+                        .HasColumnType("varchar(128)");
+
+                    b.Property<decimal>("Volume")
+                        .HasPrecision(18, 4)
+                        .HasColumnType("decimal(18,4)");
+
+                    b.Property<decimal>("Volume24h")
+                        .HasPrecision(18, 4)
+                        .HasColumnType("decimal(18,4)");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("EventId");
+
+                    b.HasIndex("Platform", "PlatformMarketId")
+                        .IsUnique();
+
+                    b.ToTable("Markets");
+                });
+
+            modelBuilder.Entity("Predictalytics.Domain.Entities.MarketAnalytics", b =>
+                {
+                    b.Property<int>("MarketId")
+                        .HasColumnType("int");
+
+                    b.Property<decimal>("AverageTradeSize")
+                        .HasPrecision(18, 4)
+                        .HasColumnType("decimal(18,4)");
+
+                    b.Property<decimal>("BotActivityScore")
+                        .HasPrecision(8, 4)
+                        .HasColumnType("decimal(8,4)");
+
+                    b.Property<DateTime>("LastCalculatedAt")
+                        .HasColumnType("datetime(6)");
+
+                    b.Property<int>("UniqueTradersCount")
+                        .HasColumnType("int");
+
+                    b.HasKey("MarketId");
+
+                    b.ToTable("MarketAnalytics");
+                });
+
+            modelBuilder.Entity("Predictalytics.Domain.Entities.MarketOutcome", b =>
+                {
+                    b.Property<int>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("int");
+
+                    MySqlPropertyBuilderExtensions.UseMySqlIdentityColumn(b.Property<int>("Id"));
+
+                    b.Property<decimal>("CurrentPrice")
+                        .HasPrecision(18, 8)
+                        .HasColumnType("decimal(18,8)");
+
+                    b.Property<string>("Label")
+                        .IsRequired()
+                        .HasMaxLength(256)
+                        .HasColumnType("varchar(256)");
+
+                    b.Property<int>("MarketId")
+                        .HasColumnType("int");
+
+                    b.Property<int>("OutcomeIndex")
+                        .HasColumnType("int");
+
+                    b.Property<string>("TokenId")
+                        .IsRequired()
+                        .HasMaxLength(256)
+                        .HasColumnType("varchar(256)");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TokenId");
+
+                    b.HasIndex("MarketId", "OutcomeIndex")
+                        .IsUnique();
+
+                    b.ToTable("MarketOutcomes");
+                });
+
+            modelBuilder.Entity("Predictalytics.Domain.Entities.MarketOutcomePriceSnapshot", b =>
+                {
+                    b.Property<int>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("int");
+
+                    MySqlPropertyBuilderExtensions.UseMySqlIdentityColumn(b.Property<int>("Id"));
+
+                    b.Property<int>("MarketOutcomeId")
+                        .HasColumnType("int");
+
+                    b.Property<decimal>("Price")
+                        .HasPrecision(10, 6)
+                        .HasColumnType("decimal(10,6)");
+
+                    b.Property<DateTime>("Timestamp")
+                        .HasColumnType("datetime(6)");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("MarketOutcomeId", "Timestamp");
+
+                    b.ToTable("MarketOutcomePriceSnapshots");
+                });
+
+            modelBuilder.Entity("Predictalytics.Domain.Entities.PlatformConfig", b =>
+                {
+                    b.Property<int>("Id")
+                        .HasColumnType("int");
+
+                    b.Property<string>("BaseUrl")
+                        .HasMaxLength(1024)
+                        .HasColumnType("varchar(1024)");
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("datetime(6)");
+
+                    b.Property<string>("DisplayName")
+                        .IsRequired()
+                        .HasMaxLength(256)
+                        .HasColumnType("varchar(256)");
+
+                    b.Property<bool>("IsActive")
+                        .HasColumnType("tinyint(1)");
+
+                    b.Property<string>("Name")
+                        .IsRequired()
+                        .HasMaxLength(128)
+                        .HasColumnType("varchar(128)");
+
+                    b.Property<string>("SettingsJson")
+                        .HasColumnType("longtext");
+
+                    b.Property<DateTime>("UpdatedAt")
+                        .HasColumnType("datetime(6)");
+
+                    b.HasKey("Id");
+
+                    b.ToTable("PlatformConfigs");
+                });
+
+            modelBuilder.Entity("Predictalytics.Domain.Entities.Trade", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint");
+
+                    MySqlPropertyBuilderExtensions.UseMySqlIdentityColumn(b.Property<long>("Id"));
+
+                    b.Property<decimal>("Amount")
+                        .HasPrecision(18, 4)
+                        .HasColumnType("decimal(18,4)");
+
+                    b.Property<string>("AssetId")
+                        .IsRequired()
+                        .HasMaxLength(80)
+                        .HasColumnType("varchar(80)");
+
+                    b.Property<int?>("DbMarketId")
+                        .HasColumnType("int");
+
+                    b.Property<DateTime>("ExecutedAt")
+                        .HasColumnType("datetime(6)");
+
+                    b.Property<bool>("IsContextEnriched")
+                        .HasColumnType("tinyint(1)");
+
+                    b.Property<string>("MarketId")
+                        .IsRequired()
+                        .HasMaxLength(66)
+                        .HasColumnType("varchar(66)");
+
+                    b.Property<int?>("MarketOutcomeId")
+                        .HasColumnType("int");
+
+                    b.Property<string>("Outcome")
+                        .IsRequired()
+                        .HasMaxLength(128)
+                        .HasColumnType("varchar(128)");
+
+                    b.Property<int>("Platform")
+                        .HasColumnType("int");
+
+                    b.Property<string>("PlatformTradeId")
+                        .IsRequired()
+                        .HasMaxLength(256)
+                        .HasColumnType("varchar(256)");
+
+                    b.Property<decimal?>("PostTradePrice1m")
+                        .HasColumnType("decimal(18,4)");
+
+                    b.Property<decimal?>("PreTradePrice1m")
+                        .HasColumnType("decimal(18,4)");
+
+                    b.Property<decimal>("Price")
+                        .HasPrecision(18, 6)
+                        .HasColumnType("decimal(18,6)");
+
+                    b.Property<int>("Side")
+                        .HasColumnType("int");
+
+                    b.Property<decimal>("Size")
+                        .HasPrecision(14, 6)
+                        .HasColumnType("decimal(14,6)");
+
+                    b.Property<int>("TraderId")
+                        .HasColumnType("int");
+
+                    b.Property<string>("TransactionHash")
+                        .HasMaxLength(66)
+                        .HasColumnType("varchar(66)");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("AssetId");
+
+                    b.HasIndex("DbMarketId");
+
+                    b.HasIndex("ExecutedAt");
+
+                    b.HasIndex("MarketOutcomeId");
+
+                    b.HasIndex("TraderId");
+
+                    b.HasIndex("Platform", "PlatformTradeId")
+                        .IsUnique();
+
+                    b.ToTable("Trades");
+                });
+
+            modelBuilder.Entity("Predictalytics.Domain.Entities.TradeContext", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint");
+
+                    MySqlPropertyBuilderExtensions.UseMySqlIdentityColumn(b.Property<long>("Id"));
+
+                    b.Property<string>("EstimatedOrderType")
+                        .IsRequired()
+                        .HasMaxLength(32)
+                        .HasColumnType("varchar(32)");
+
+                    b.Property<decimal?>("EstimatedSlippage")
+                        .HasPrecision(18, 4)
+                        .HasColumnType("decimal(18,4)");
+
+                    b.Property<decimal?>("PriceAfter1m")
+                        .HasPrecision(18, 4)
+                        .HasColumnType("decimal(18,4)");
+
+                    b.Property<decimal?>("PriceBefore1m")
+                        .HasPrecision(18, 4)
+                        .HasColumnType("decimal(18,4)");
+
+                    b.Property<long>("TradeId")
+                        .HasColumnType("bigint");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TradeId")
+                        .IsUnique();
+
+                    b.ToTable("TradeContexts");
+                });
+
+            modelBuilder.Entity("Predictalytics.Domain.Entities.Trader", b =>
+                {
+                    b.Property<int>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("int");
+
+                    MySqlPropertyBuilderExtensions.UseMySqlIdentityColumn(b.Property<int>("Id"));
+
+                    b.Property<string>("AiStrategySummary")
+                        .HasColumnType("longtext");
+
+                    b.Property<DateTime?>("AiStrategyUpdatedAt")
+                        .HasColumnType("datetime(6)");
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("datetime(6)");
+
+                    b.Property<string>("DisplayName")
+                        .IsRequired()
+                        .HasMaxLength(256)
+                        .HasColumnType("varchar(256)");
+
+                    b.Property<bool>("IsAutoDiscovered")
+                        .HasColumnType("tinyint(1)");
+
+                    b.Property<bool>("IsInitialImportComplete")
+                        .HasColumnType("tinyint(1)");
+
+                    b.Property<bool>("IsSuspectedBot")
+                        .HasColumnType("tinyint(1)");
+
+                    b.Property<DateTime?>("LastAnalyzedAt")
+                        .HasColumnType("datetime(6)");
+
+                    b.Property<DateTime?>("LastApiErrorAt")
+                        .HasColumnType("datetime(6)");
+
+                    b.Property<DateTime?>("LastPolledAt")
+                        .HasColumnType("datetime(6)");
+
+                    b.Property<DateTime?>("LastTradesUpdatedAt")
+                        .HasColumnType("datetime(6)");
+
+                    b.Property<int?>("ManualPriorityOverride")
+                        .HasColumnType("int");
+
+                    b.Property<string>("Notes")
+                        .HasColumnType("longtext");
+
+                    b.Property<int>("Platform")
+                        .HasColumnType("int");
+
+                    b.Property<string>("PlatformUserId")
+                        .IsRequired()
+                        .HasMaxLength(128)
+                        .HasColumnType("varchar(128)");
+
+                    b.Property<int>("Strategy")
+                        .HasColumnType("int");
+
+                    b.Property<int>("Tier")
+                        .HasColumnType("int");
+
+                    b.Property<decimal>("TotalPnl")
+                        .HasPrecision(18, 4)
+                        .HasColumnType("decimal(18,4)");
+
+                    b.Property<int>("TotalTrades")
+                        .HasColumnType("int");
+
+                    b.Property<decimal>("WinRate")
+                        .HasPrecision(8, 4)
+                        .HasColumnType("decimal(8,4)");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("Platform", "PlatformUserId")
+                        .IsUnique();
+
+                    b.ToTable("Traders");
+                });
+
+            modelBuilder.Entity("Predictalytics.Domain.Entities.TraderAnalytics", b =>
+                {
+                    b.Property<int>("TraderId")
+                        .HasColumnType("int");
+
+                    b.Property<DateTime>("LastCalculatedAt")
+                        .HasColumnType("datetime(6)");
+
+                    b.Property<decimal>("OverallPnL")
+                        .HasPrecision(18, 4)
+                        .HasColumnType("decimal(18,4)");
+
+                    b.Property<decimal>("OverallWinRate")
+                        .HasPrecision(8, 4)
+                        .HasColumnType("decimal(8,4)");
+
+                    b.Property<decimal>("PnL24h")
+                        .HasPrecision(18, 4)
+                        .HasColumnType("decimal(18,4)");
+
+                    b.Property<decimal>("PnL30d")
+                        .HasPrecision(18, 4)
+                        .HasColumnType("decimal(18,4)");
+
+                    b.Property<decimal>("PnL7d")
+                        .HasPrecision(18, 4)
+                        .HasColumnType("decimal(18,4)");
+
+                    b.Property<decimal>("WinRate24h")
+                        .HasPrecision(8, 4)
+                        .HasColumnType("decimal(8,4)");
+
+                    b.Property<decimal>("WinRate30d")
+                        .HasPrecision(8, 4)
+                        .HasColumnType("decimal(8,4)");
+
+                    b.Property<decimal>("WinRate7d")
+                        .HasPrecision(8, 4)
+                        .HasColumnType("decimal(8,4)");
+
+                    b.HasKey("TraderId");
+
+                    b.ToTable("TraderAnalytics");
+                });
+
+            modelBuilder.Entity("Predictalytics.Domain.Entities.TraderCategoryPerformance", b =>
+                {
+                    b.Property<int>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("int");
+
+                    MySqlPropertyBuilderExtensions.UseMySqlIdentityColumn(b.Property<int>("Id"));
+
+                    b.Property<string>("Category")
+                        .IsRequired()
+                        .HasMaxLength(64)
+                        .HasColumnType("varchar(64)");
+
+                    b.Property<string>("Subcategory")
+                        .IsRequired()
+                        .HasMaxLength(128)
+                        .HasColumnType("varchar(128)");
+
+                    b.Property<decimal>("TotalPnL")
+                        .HasPrecision(18, 4)
+                        .HasColumnType("decimal(18,4)");
+
+                    b.Property<int>("TotalTrades")
+                        .HasColumnType("int");
+
+                    b.Property<decimal>("TotalVolume")
+                        .HasPrecision(18, 4)
+                        .HasColumnType("decimal(18,4)");
+
+                    b.Property<int>("TraderId")
+                        .HasColumnType("int");
+
+                    b.Property<int>("WinningTrades")
+                        .HasColumnType("int");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TraderId", "Category", "Subcategory")
+                        .IsUnique();
+
+                    b.ToTable("TraderCategoryPerformances");
+                });
+
+            modelBuilder.Entity("Predictalytics.Domain.Entities.TraderPosition", b =>
+                {
+                    b.Property<int>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("int");
+
+                    MySqlPropertyBuilderExtensions.UseMySqlIdentityColumn(b.Property<int>("Id"));
+
+                    b.Property<decimal>("AvgCost")
+                        .HasPrecision(10, 6)
+                        .HasColumnType("decimal(10,6)");
+
+                    b.Property<DateTime>("LastUpdatedAt")
+                        .HasColumnType("datetime(6)");
+
+                    b.Property<int>("MarketOutcomeId")
+                        .HasColumnType("int");
+
+                    b.Property<decimal>("RealizedPnl")
+                        .HasPrecision(18, 4)
+                        .HasColumnType("decimal(18,4)");
+
+                    b.Property<decimal>("SharesHeld")
+                        .HasPrecision(14, 6)
+                        .HasColumnType("decimal(14,6)");
+
+                    b.Property<int>("TraderId")
+                        .HasColumnType("int");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("MarketOutcomeId");
+
+                    b.HasIndex("TraderId", "MarketOutcomeId")
+                        .IsUnique();
+
+                    b.ToTable("TraderPositions");
+                });
+
+            modelBuilder.Entity("Predictalytics.Domain.Entities.TraderScore", b =>
+                {
+                    b.Property<int>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("int");
+
+                    MySqlPropertyBuilderExtensions.UseMySqlIdentityColumn(b.Property<int>("Id"));
+
+                    b.Property<decimal>("ActivityScore")
+                        .HasPrecision(8, 4)
+                        .HasColumnType("decimal(8,4)");
+
+                    b.Property<DateTime>("CalculatedAt")
+                        .HasColumnType("datetime(6)");
+
+                    b.Property<decimal>("CombinedScore")
+                        .HasPrecision(8, 4)
+                        .HasColumnType("decimal(8,4)");
+
+                    b.Property<decimal>("CopytradingScore")
+                        .HasPrecision(8, 4)
+                        .HasColumnType("decimal(8,4)");
+
+                    b.Property<decimal>("QualityScore")
+                        .HasPrecision(8, 4)
+                        .HasColumnType("decimal(8,4)");
+
+                    b.Property<int>("Rank")
+                        .HasColumnType("int");
+
+                    b.Property<decimal>("TimingScore")
+                        .HasPrecision(8, 4)
+                        .HasColumnType("decimal(8,4)");
+
+                    b.Property<int>("TraderId")
+                        .HasColumnType("int");
+
+                    b.Property<decimal>("VolumeScore")
+                        .HasPrecision(8, 4)
+                        .HasColumnType("decimal(8,4)");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TraderId")
+                        .IsUnique();
+
+                    b.ToTable("TraderScores");
+                });
+
+            modelBuilder.Entity("Predictalytics.Domain.Entities.WatchlistEntry", b =>
+                {
+                    b.Property<int>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("int");
+
+                    MySqlPropertyBuilderExtensions.UseMySqlIdentityColumn(b.Property<int>("Id"));
+
+                    b.Property<DateTime>("AddedAt")
+                        .HasColumnType("datetime(6)");
+
+                    b.Property<bool>("AlertsEnabled")
+                        .HasColumnType("tinyint(1)");
+
+                    b.Property<string>("Label")
+                        .IsRequired()
+                        .HasMaxLength(256)
+                        .HasColumnType("varchar(256)");
+
+                    b.Property<string>("Notes")
+                        .HasColumnType("longtext");
+
+                    b.Property<int>("TraderId")
+                        .HasColumnType("int");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TraderId")
+                        .IsUnique();
+
+                    b.ToTable("WatchlistEntries");
+                });
+
+            modelBuilder.Entity("Predictalytics.Domain.Entities.Alert", b =>
+                {
+                    b.HasOne("Predictalytics.Domain.Entities.Trader", "Trader")
+                        .WithMany()
+                        .HasForeignKey("TraderId")
+                        .OnDelete(DeleteBehavior.SetNull);
+
+                    b.Navigation("Trader");
+                });
+
+            modelBuilder.Entity("Predictalytics.Domain.Entities.Market", b =>
+                {
+                    b.HasOne("Predictalytics.Domain.Entities.Event", "Event")
+                        .WithMany("Markets")
+                        .HasForeignKey("EventId")
+                        .OnDelete(DeleteBehavior.Cascade)
+                        .IsRequired();
+
+                    b.Navigation("Event");
+                });
+
+            modelBuilder.Entity("Predictalytics.Domain.Entities.MarketAnalytics", b =>
+                {
+                    b.HasOne("Predictalytics.Domain.Entities.Market", "Market")
+                        .WithOne("Analytics")
+                        .HasForeignKey("Predictalytics.Domain.Entities.MarketAnalytics", "MarketId")
+                        .OnDelete(DeleteBehavior.Cascade)
+                        .IsRequired();
+
+                    b.Navigation("Market");
+                });
+
+            modelBuilder.Entity("Predictalytics.Domain.Entities.MarketOutcome", b =>
+                {
+                    b.HasOne("Predictalytics.Domain.Entities.Market", "Market")
+                        .WithMany("Outcomes")
+                        .HasForeignKey("MarketId")
+                        .OnDelete(DeleteBehavior.Cascade)
+                        .IsRequired();
+
+                    b.Navigation("Market");
+                });
+
+            modelBuilder.Entity("Predictalytics.Domain.Entities.MarketOutcomePriceSnapshot", b =>
+                {
+                    b.HasOne("Predictalytics.Domain.Entities.MarketOutcome", "MarketOutcome")
+                        .WithMany()
+                        .HasForeignKey("MarketOutcomeId")
+                        .OnDelete(DeleteBehavior.Cascade)
+                        .IsRequired();
+
+                    b.Navigation("MarketOutcome");
+                });
+
+            modelBuilder.Entity("Predictalytics.Domain.Entities.Trade", b =>
+                {
+                    b.HasOne("Predictalytics.Domain.Entities.Market", "DbMarket")
+                        .WithMany()
+                        .HasForeignKey("DbMarketId")
+                        .OnDelete(DeleteBehavior.SetNull);
+
+                    b.HasOne("Predictalytics.Domain.Entities.MarketOutcome", "MarketOutcome")
+                        .WithMany()
+                        .HasForeignKey("MarketOutcomeId")
+                        .OnDelete(DeleteBehavior.SetNull);
+
+                    b.HasOne("Predictalytics.Domain.Entities.Trader", "Trader")
+                        .WithMany("Trades")
+                        .HasForeignKey("TraderId")
+                        .OnDelete(DeleteBehavior.Cascade)
+                        .IsRequired();
+
+                    b.Navigation("DbMarket");
+
+                    b.Navigation("MarketOutcome");
+
+                    b.Navigation("Trader");
+                });
+
+            modelBuilder.Entity("Predictalytics.Domain.Entities.TradeContext", b =>
+                {
+                    b.HasOne("Predictalytics.Domain.Entities.Trade", "Trade")
+                        .WithOne("Context")
+                        .HasForeignKey("Predictalytics.Domain.Entities.TradeContext", "TradeId")
+                        .OnDelete(DeleteBehavior.Cascade)
+                        .IsRequired();
+
+                    b.Navigation("Trade");
+                });
+
+            modelBuilder.Entity("Predictalytics.Domain.Entities.TraderAnalytics", b =>
+                {
+                    b.HasOne("Predictalytics.Domain.Entities.Trader", "Trader")
+                        .WithOne("Analytics")
+                        .HasForeignKey("Predictalytics.Domain.Entities.TraderAnalytics", "TraderId")
+                        .OnDelete(DeleteBehavior.Cascade)
+                        .IsRequired();
+
+                    b.Navigation("Trader");
+                });
+
+            modelBuilder.Entity("Predictalytics.Domain.Entities.TraderCategoryPerformance", b =>
+                {
+                    b.HasOne("Predictalytics.Domain.Entities.Trader", "Trader")
+                        .WithMany("CategoryPerformances")
+                        .HasForeignKey("TraderId")
+                        .OnDelete(DeleteBehavior.Cascade)
+                        .IsRequired();
+
+                    b.Navigation("Trader");
+                });
+
+            modelBuilder.Entity("Predictalytics.Domain.Entities.TraderPosition", b =>
+                {
+                    b.HasOne("Predictalytics.Domain.Entities.MarketOutcome", "MarketOutcome")
+                        .WithMany()
+                        .HasForeignKey("MarketOutcomeId")
+                        .OnDelete(DeleteBehavior.Cascade)
+                        .IsRequired();
+
+                    b.HasOne("Predictalytics.Domain.Entities.Trader", "Trader")
+                        .WithMany("Positions")
+                        .HasForeignKey("TraderId")
+                        .OnDelete(DeleteBehavior.Cascade)
+                        .IsRequired();
+
+                    b.Navigation("MarketOutcome");
+
+                    b.Navigation("Trader");
+                });
+
+            modelBuilder.Entity("Predictalytics.Domain.Entities.TraderScore", b =>
+                {
+                    b.HasOne("Predictalytics.Domain.Entities.Trader", "Trader")
+                        .WithOne("CurrentScore")
+                        .HasForeignKey("Predictalytics.Domain.Entities.TraderScore", "TraderId")
+                        .OnDelete(DeleteBehavior.Cascade)
+                        .IsRequired();
+
+                    b.Navigation("Trader");
+                });
+
+            modelBuilder.Entity("Predictalytics.Domain.Entities.WatchlistEntry", b =>
+                {
+                    b.HasOne("Predictalytics.Domain.Entities.Trader", "Trader")
+                        .WithMany("WatchlistEntries")
+                        .HasForeignKey("TraderId")
+                        .OnDelete(DeleteBehavior.Cascade)
+                        .IsRequired();
+
+                    b.Navigation("Trader");
+                });
+
+            modelBuilder.Entity("Predictalytics.Domain.Entities.Event", b =>
+                {
+                    b.Navigation("Markets");
+                });
+
+            modelBuilder.Entity("Predictalytics.Domain.Entities.Market", b =>
+                {
+                    b.Navigation("Analytics");
+
+                    b.Navigation("Outcomes");
+                });
+
+            modelBuilder.Entity("Predictalytics.Domain.Entities.Trade", b =>
+                {
+                    b.Navigation("Context");
+                });
+
+            modelBuilder.Entity("Predictalytics.Domain.Entities.Trader", b =>
+                {
+                    b.Navigation("Analytics");
+
+                    b.Navigation("CategoryPerformances");
+
+                    b.Navigation("CurrentScore");
+
+                    b.Navigation("Positions");
+
+                    b.Navigation("Trades");
+
+                    b.Navigation("WatchlistEntries");
+                });
+#pragma warning restore 612, 618
+        }
+    }
+}

src/Predictalytics.Infrastructure/Migrations/20260705165602_AddTradeContextAndSubcategory.cs

@@ -0,0 +1,97 @@
+using System;
+using Microsoft.EntityFrameworkCore.Metadata;
+using Microsoft.EntityFrameworkCore.Migrations;
+
+#nullable disable
+
+namespace Predictalytics.Infrastructure.Migrations
+{
+    /// <inheritdoc />
+    public partial class AddTradeContextAndSubcategory : Migration
+    {
+        /// <inheritdoc />
+        protected override void Up(MigrationBuilder migrationBuilder)
+        {
+            migrationBuilder.DropIndex(
+                name: "IX_TraderCategoryPerformances_TraderId_Category",
+                table: "TraderCategoryPerformances");
+
+            migrationBuilder.AddColumn<DateTime>(
+                name: "LastAnalyzedAt",
+                table: "Traders",
+                type: "datetime(6)",
+                nullable: true);
+
+            migrationBuilder.AddColumn<string>(
+                name: "Subcategory",
+                table: "TraderCategoryPerformances",
+                type: "varchar(128)",
+                maxLength: 128,
+                nullable: false,
+                defaultValue: "")
+                .Annotation("MySql:CharSet", "utf8mb4");
+
+            migrationBuilder.CreateTable(
+                name: "TradeContexts",
+                columns: table => new
+                {
+                    Id = table.Column<long>(type: "bigint", nullable: false)
+                        .Annotation("MySql:ValueGenerationStrategy", MySqlValueGenerationStrategy.IdentityColumn),
+                    TradeId = table.Column<long>(type: "bigint", nullable: false),
+                    PriceBefore1m = table.Column<decimal>(type: "decimal(18,4)", precision: 18, scale: 4, nullable: true),
+                    PriceAfter1m = table.Column<decimal>(type: "decimal(18,4)", precision: 18, scale: 4, nullable: true),
+                    EstimatedSlippage = table.Column<decimal>(type: "decimal(18,4)", precision: 18, scale: 4, nullable: true),
+                    EstimatedOrderType = table.Column<string>(type: "varchar(32)", maxLength: 32, nullable: false)
+                        .Annotation("MySql:CharSet", "utf8mb4")
+                },
+                constraints: table =>
+                {
+                    table.PrimaryKey("PK_TradeContexts", x => x.Id);
+                    table.ForeignKey(
+                        name: "FK_TradeContexts_Trades_TradeId",
+                        column: x => x.TradeId,
+                        principalTable: "Trades",
+                        principalColumn: "Id",
+                        onDelete: ReferentialAction.Cascade);
+                })
+                .Annotation("MySql:CharSet", "utf8mb4");
+
+            migrationBuilder.CreateIndex(
+                name: "IX_TraderCategoryPerformances_TraderId_Category_Subcategory",
+                table: "TraderCategoryPerformances",
+                columns: new[] { "TraderId", "Category", "Subcategory" },
+                unique: true);
+
+            migrationBuilder.CreateIndex(
+                name: "IX_TradeContexts_TradeId",
+                table: "TradeContexts",
+                column: "TradeId",
+                unique: true);
+        }
+
+        /// <inheritdoc />
+        protected override void Down(MigrationBuilder migrationBuilder)
+        {
+            migrationBuilder.DropTable(
+                name: "TradeContexts");
+
+            migrationBuilder.DropIndex(
+                name: "IX_TraderCategoryPerformances_TraderId_Category_Subcategory",
+                table: "TraderCategoryPerformances");
+
+            migrationBuilder.DropColumn(
+                name: "LastAnalyzedAt",
+                table: "Traders");
+
+            migrationBuilder.DropColumn(
+                name: "Subcategory",
+                table: "TraderCategoryPerformances");
+
+            migrationBuilder.CreateIndex(
+                name: "IX_TraderCategoryPerformances_TraderId_Category",
+                table: "TraderCategoryPerformances",
+                columns: new[] { "TraderId", "Category" },
+                unique: true);
+        }
+    }
+}

src/Predictalytics.Infrastructure/Migrations/AppDbContextModelSnapshot.cs

@@ -446,6 +446,42 @@ namespace Predictalytics.Infrastructure.Migrations
                     b.ToTable("Trades");
                 });
 
+            modelBuilder.Entity("Predictalytics.Domain.Entities.TradeContext", b =>
+                {
+                    b.Property<long>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("bigint");
+
+                    MySqlPropertyBuilderExtensions.UseMySqlIdentityColumn(b.Property<long>("Id"));
+
+                    b.Property<string>("EstimatedOrderType")
+                        .IsRequired()
+                        .HasMaxLength(32)
+                        .HasColumnType("varchar(32)");
+
+                    b.Property<decimal?>("EstimatedSlippage")
+                        .HasPrecision(18, 4)
+                        .HasColumnType("decimal(18,4)");
+
+                    b.Property<decimal?>("PriceAfter1m")
+                        .HasPrecision(18, 4)
+                        .HasColumnType("decimal(18,4)");
+
+                    b.Property<decimal?>("PriceBefore1m")
+                        .HasPrecision(18, 4)
+                        .HasColumnType("decimal(18,4)");
+
+                    b.Property<long>("TradeId")
+                        .HasColumnType("bigint");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("TradeId")
+                        .IsUnique();
+
+                    b.ToTable("TradeContexts");
+                });
+
             modelBuilder.Entity("Predictalytics.Domain.Entities.Trader", b =>
                 {
                     b.Property<int>("Id")
@@ -477,6 +513,9 @@ namespace Predictalytics.Infrastructure.Migrations
                     b.Property<bool>("IsSuspectedBot")
                         .HasColumnType("tinyint(1)");
 
+                    b.Property<DateTime?>("LastAnalyzedAt")
+                        .HasColumnType("datetime(6)");
+
                     b.Property<DateTime?>("LastApiErrorAt")
                         .HasColumnType("datetime(6)");
 
@@ -583,6 +622,11 @@ namespace Predictalytics.Infrastructure.Migrations
                         .HasMaxLength(64)
                         .HasColumnType("varchar(64)");
 
+                    b.Property<string>("Subcategory")
+                        .IsRequired()
+                        .HasMaxLength(128)
+                        .HasColumnType("varchar(128)");
+
                     b.Property<decimal>("TotalPnL")
                         .HasPrecision(18, 4)
                         .HasColumnType("decimal(18,4)");
@@ -602,7 +646,7 @@ namespace Predictalytics.Infrastructure.Migrations
 
                     b.HasKey("Id");
 
-                    b.HasIndex("TraderId", "Category")
+                    b.HasIndex("TraderId", "Category", "Subcategory")
                         .IsUnique();
 
                     b.ToTable("TraderCategoryPerformances");
@@ -808,6 +852,17 @@ namespace Predictalytics.Infrastructure.Migrations
                     b.Navigation("Trader");
                 });
 
+            modelBuilder.Entity("Predictalytics.Domain.Entities.TradeContext", b =>
+                {
+                    b.HasOne("Predictalytics.Domain.Entities.Trade", "Trade")
+                        .WithOne("Context")
+                        .HasForeignKey("Predictalytics.Domain.Entities.TradeContext", "TradeId")
+                        .OnDelete(DeleteBehavior.Cascade)
+                        .IsRequired();
+
+                    b.Navigation("Trade");
+                });
+
             modelBuilder.Entity("Predictalytics.Domain.Entities.TraderAnalytics", b =>
                 {
                     b.HasOne("Predictalytics.Domain.Entities.Trader", "Trader")
@@ -883,6 +938,11 @@ namespace Predictalytics.Infrastructure.Migrations
                     b.Navigation("Outcomes");
                 });
 
+            modelBuilder.Entity("Predictalytics.Domain.Entities.Trade", b =>
+                {
+                    b.Navigation("Context");
+                });
+
             modelBuilder.Entity("Predictalytics.Domain.Entities.Trader", b =>
                 {
                     b.Navigation("Analytics");