Updated

EonaCat.Logger.LogServer/Services/ISearchService.cs

@@ -0,0 +1,30 @@
+using LogCentral.Server.Data;
+using LogCentral.Server.Models;
+using Microsoft.EntityFrameworkCore;
+
+namespace LogCentral.Server.Services;
+
+public interface ISearchService
+{
+    Task<List<LogEntry>> SearchAsync(string query, int limit = 100);
+}
+
+public class SearchService : ISearchService
+{
+    private readonly LogCentralDbContext _context;
+
+    public SearchService(LogCentralDbContext context)
+    {
+        _context = context;
+    }
+
+    public async Task<List<LogEntry>> SearchAsync(string query, int limit = 100)
+    {
+        return await _context.LogEntries
+            .Where(l => EF.Functions.Like(l.Message, $"%{query}%") ||
+                       EF.Functions.Like(l.Exception ?? "", $"%{query}%"))
+            .OrderByDescending(l => l.Timestamp)
+            .Take(limit)
+            .ToListAsync();
+    }
+}