Fix: Implement FixPlan part A9, A10, B

src/Predictalytics.Infrastructure/Providers/Polymarket/PolymarketProvider.cs

@@ -56,13 +56,50 @@ public class PolymarketProvider : IPlatformProvider
                 TransactionHash = r.TransactionHash?.ToLowerInvariant(),
                 TraderId = 0,
                 TransientWallet = wallet,
+                TransientDisplayName = !string.IsNullOrEmpty(r.Name) ? r.Name : r.Pseudonym
             };
         }).ToList();
 
         return mappedTrades.GroupBy(t => t.PlatformTradeId, StringComparer.OrdinalIgnoreCase).Select(g => g.First()).ToList();
     }
 
+    public async Task<IReadOnlyList<Trade>> GetTradesPagedAsync(string platformUserId, int limitPerRequest = 500, CancellationToken ct = default)
+    {
+        using var _ = PlatformLogContext.Push(PlatformName);
+        _logger.LogDebug("Fetching all paged trades for {Wallet}", platformUserId);
+        var raw = await _api.GetTradesPagedAsync(platformUserId, limitPerRequest, ct);
+        _logger.LogInformation("Fetched {Count} trades total for {Wallet}", raw.Count, platformUserId);
 
+        var mappedTrades = raw.Select(r =>
+        {
+            var wallet = !string.IsNullOrEmpty(r.User) ? r.User : 
+                         !string.IsNullOrEmpty(r.ProxyWallet) ? r.ProxyWallet : 
+                         platformUserId;
+            var side = MapTradeSide(r);
+            var sideStr = side.ToString().ToUpperInvariant();
+            return new Trade
+            {
+                Platform = PlatformType.Polymarket,
+                PlatformTradeId = string.IsNullOrEmpty(r.TransactionHash)
+                    ? $"{r.Timestamp}_{wallet}_{r.Asset}_{sideStr}"
+                    : $"{r.TransactionHash.ToLowerInvariant()}_{wallet}_{r.Asset}_{sideStr}",
+                MarketId = r.ConditionId ?? "",
+                AssetId = r.Asset ?? "",
+                Outcome = r.Outcome ?? "",
+                Side = side,
+                Price = (decimal)r.Price,
+                Size = (decimal)r.Size,
+                Amount = (decimal)(r.Price * r.Size),
+                ExecutedAt = DateTimeOffset.FromUnixTimeSeconds(r.Timestamp).UtcDateTime,
+                TransactionHash = r.TransactionHash?.ToLowerInvariant(),
+                TraderId = 0,
+                TransientWallet = wallet,
+                TransientDisplayName = !string.IsNullOrEmpty(r.Name) ? r.Name : r.Pseudonym
+            };
+        }).ToList();
+
+        return mappedTrades.GroupBy(t => t.PlatformTradeId, StringComparer.OrdinalIgnoreCase).Select(g => g.First()).ToList();
+    }
     public async Task<IReadOnlyList<Trade>> GetMarketTradesAsync(string platformMarketId, int limit = 1000, CancellationToken ct = default)
     {
         var raw = await _api.GetMarketTradesAsync(platformMarketId, limit, 0, ct);
@@ -90,6 +127,7 @@ public class PolymarketProvider : IPlatformProvider
                 TransactionHash = r.TransactionHash,
                 TraderId = 0,
                 TransientWallet = wallet,
+                TransientDisplayName = !string.IsNullOrEmpty(r.Name) ? r.Name : r.Pseudonym
             };
         }).ToList();
 
@@ -106,7 +144,8 @@ public class PolymarketProvider : IPlatformProvider
         return raw.Select(r => new TraderPositionInfo(
             platformUserId, r.Market, r.Question, r.Outcome,
             (decimal)r.Size, (decimal)r.AvgPrice,
-            (decimal)r.CurrentValue, (decimal)r.PercentPnl
+            (decimal)r.CurrentValue, (decimal)r.PercentPnl,
+            r.AssetId
         )).ToList();
     }
 
@@ -300,8 +339,6 @@ public class PolymarketProvider : IPlatformProvider
             EndDate = DateTime.TryParse(raw.EndDate ?? raw.EndDateIso, out var med) ? med : null,
             CreatedAt = DateTime.TryParse(raw.CreatedAt, out var mcd) ? mcd : DateTime.UtcNow,
             DbCreatedAt = DateTime.UtcNow,
-            IsResolved = raw.Resolved || raw.Closed,
-            ResolutionOutcome = raw.ResolutionOutcome,
             LastUpdatedAt = DateTime.UtcNow,
             FeeRateBps = (decimal)(raw.TakerFee * 10000),
             IsNegRisk = raw.NegRisk,
@@ -313,6 +350,11 @@ public class PolymarketProvider : IPlatformProvider
         var outcomePrices = ParseJsonStringArray(raw.OutcomePrices);
         var tokenIds = ParseJsonStringArray(raw.ClobTokenIds);
 
+        bool pricesSnapped = false;
+        bool hasHighPrice = false;
+        bool allSnapped = outcomePrices.Count > 0;
+        string? snappedWinnerLabel = null;
+
         for (int i = 0; i < outcomeLabels.Count; i++)
         {
             decimal price = 0;
@@ -320,8 +362,6 @@ public class PolymarketProvider : IPlatformProvider
                 decimal.TryParse(outcomePrices[i], System.Globalization.NumberStyles.Any,
                     System.Globalization.CultureInfo.InvariantCulture, out price);
 
-            string tokenId = i < tokenIds.Count ? tokenIds[i] : "";
-
             var label = outcomeLabels[i];
             if ((label.Equals("Yes", StringComparison.OrdinalIgnoreCase) || label.Equals("No", StringComparison.OrdinalIgnoreCase))
                 && !string.IsNullOrEmpty(raw.GroupItemTitle))
@@ -329,6 +369,21 @@ public class PolymarketProvider : IPlatformProvider
                 label = $"{raw.GroupItemTitle} - {label}";
             }
 
+            if (price <= 0.02m || price >= 0.98m)
+            {
+                if (price >= 0.98m)
+                {
+                    hasHighPrice = true;
+                    snappedWinnerLabel = label;
+                }
+            }
+            else
+            {
+                allSnapped = false;
+            }
+
+            string tokenId = i < tokenIds.Count ? tokenIds[i] : "";
+
             market.Outcomes.Add(new MarketOutcome
             {
                 Label = label,
@@ -338,6 +393,11 @@ public class PolymarketProvider : IPlatformProvider
             });
         }
 
+        pricesSnapped = allSnapped && hasHighPrice;
+
+        market.IsResolved = raw.UmaResolutionStatus == "resolved" || (raw.Closed && pricesSnapped);
+        market.ResolutionOutcome = market.IsResolved ? snappedWinnerLabel : null;
+
         return market;
     }