diff --git a/Knots/Hubs/ChatHub.cs b/Knots/Hubs/ChatHub.cs
index 37ca56e..0d5da9b 100644
--- a/Knots/Hubs/ChatHub.cs
+++ b/Knots/Hubs/ChatHub.cs
@@ -4,7 +4,7 @@ using Microsoft.AspNetCore.SignalR;
 namespace Knots.Hubs;
 
 [Authorize]
-public class ChatHub : Hub
+public class ChatHub(KnotsDbContext db, AutoMapper.IMapper mapper) : Hub
 {
     // Rejoindre une conversation (room)
     public async Task JoinConversation(string conversationId)
@@ -21,14 +21,18 @@ public class ChatHub : Hub
     // Envoyer un message à une conversation
     public async Task SendMessage(string conversationId, string content)
     {
-        var message = new
+        var message = new Models.Message
         {
-            SenderId  = Context.UserIdentifier,
-            Content   = content,
-            SentAt    = DateTime.UtcNow
+            // adapte aux noms réels de ton modèle (AuthorId, Contenu, Date...)
+            AuthorId = int.Parse(Context.UserIdentifier!),
+            Contenu  = content,
+            Date     = DateTime.UtcNow,
+            DiscussionId = int.Parse(conversationId)
         };
 
-        // Diffuse à tous les membres de la conversation
+        db.Messages.Add(message);
+        await db.SaveChangesAsync();
+
         await Clients.Group(conversationId).SendAsync("ReceiveMessage", message);
     }
 
diff --git a/Knots/Models/Message.cs b/Knots/Models/Message.cs
index ba2d05c..f100cf5 100644
--- a/Knots/Models/Message.cs
+++ b/Knots/Models/Message.cs
@@ -9,6 +9,8 @@ public class Message
     [Required] public DateTime Date { get; set; }
     [Required] public Boolean Type { get; set; }
     
+    public int AuthorId { get; set; }
+    
     public int UserId { get; set; }       
     public User User { get; set; } = null!;
     
diff --git a/Knots/Program.cs b/Knots/Program.cs
index 4bcb268..f81ecc8 100644
--- a/Knots/Program.cs
+++ b/Knots/Program.cs
@@ -21,7 +21,8 @@ builder.Services.AddCors(options =>
         policyBuilder
             .WithOrigins("http://localhost:5250", "http://localhost:4200")
             .WithMethods("GET", "POST", "PUT", "PATCH", "DELETE")
-            .AllowAnyHeader();
+            .AllowAnyHeader()
+            .AllowCredentials();
     });
 });
 
@@ -47,7 +48,24 @@ builder.Services.AddAuthentication(JwtBearerDefaults.AuthenticationScheme)
             ValidAudience = builder.Configuration["Jwt:Audience"],
             IssuerSigningKey = new SymmetricSecurityKey(
                 Encoding.UTF8.GetBytes(builder.Configuration["Jwt:Key"]!))
+            
         };
+        
+        options.Events = new JwtBearerEvents
+        {
+            OnMessageReceived = context =>
+            {
+                var accessToken = context.Request.Query["access_token"];
+                var path = context.HttpContext.Request.Path;
+                if (!string.IsNullOrEmpty(accessToken) &&
+                    path.StartsWithSegments("/hubs"))
+                {
+                    context.Token = accessToken;
+                }
+                return Task.CompletedTask;
+            }
+        };
+        
     });
 builder.Services.AddAuthorization();
 
@@ -58,8 +76,6 @@ builder.Services.AddAutoMapper(cfg => { }, typeof(Program).Assembly);
 // On construit l'application en lui donnant vie
 WebApplication app = builder.Build();
 
-app.MapHub<ChatHub>("hubs/chat");
-
 app.UseCors();
 
 app.UseHttpsRedirection();
@@ -73,5 +89,6 @@ app.UseAuthentication()
         }
     ).UseSwaggerGen();
 
+app.MapHub<ChatHub>("hubs/chat");
 
 app.Run();
\ No newline at end of file
diff --git a/Knots/bin/Debug/net8.0/Knots.dll b/Knots/bin/Debug/net8.0/Knots.dll
index 6e6a499..ba7ec4c 100644
Binary files a/Knots/bin/Debug/net8.0/Knots.dll and b/Knots/bin/Debug/net8.0/Knots.dll differ
diff --git a/Knots/bin/Debug/net8.0/Knots.pdb b/Knots/bin/Debug/net8.0/Knots.pdb
index e0df184..3c9398e 100644
Binary files a/Knots/bin/Debug/net8.0/Knots.pdb and b/Knots/bin/Debug/net8.0/Knots.pdb differ
diff --git a/Knots/obj/Debug/net8.0/Knots.csproj.CoreCompileInputs.cache b/Knots/obj/Debug/net8.0/Knots.csproj.CoreCompileInputs.cache
index 6681d87..6e6fa9a 100644
--- a/Knots/obj/Debug/net8.0/Knots.csproj.CoreCompileInputs.cache
+++ b/Knots/obj/Debug/net8.0/Knots.csproj.CoreCompileInputs.cache
@@ -1 +1 @@
-dab059269bab79457b7504e70cb873c79efe1561e6d178c96e5a58f0a7d08788
+bab9e1ed6ec5ae3422f4377cfa8a1795b3c9881cbfdada74a84426e15b5819ff
diff --git a/Knots/obj/Debug/net8.0/Knots.csproj.FileListAbsolute.txt b/Knots/obj/Debug/net8.0/Knots.csproj.FileListAbsolute.txt
index 573cb12..178a047 100644
--- a/Knots/obj/Debug/net8.0/Knots.csproj.FileListAbsolute.txt
+++ b/Knots/obj/Debug/net8.0/Knots.csproj.FileListAbsolute.txt
@@ -518,4 +518,4 @@ C:\Users\dogge\RiderProjects\Knots\Knots\obj\Debug\net8.0\refint\Knots.dll
 C:\Users\dogge\RiderProjects\Knots\Knots\obj\Debug\net8.0\Knots.pdb
 C:\Users\dogge\RiderProjects\Knots\Knots\obj\Debug\net8.0\Knots.genruntimeconfig.cache
 C:\Users\dogge\RiderProjects\Knots\Knots\obj\Debug\net8.0\ref\Knots.dll
-C:\Users\Carte\RiderProjects\Knots\Knots\bin\Debug\net8.0\System.Net.WebSockets.WebSocketProtocol.dll
+C:\Users\dogge\RiderProjects\Knots\Knots\bin\Debug\net8.0\System.Net.WebSockets.WebSocketProtocol.dll
diff --git a/Knots/obj/Debug/net8.0/Knots.dll b/Knots/obj/Debug/net8.0/Knots.dll
index 6e6a499..ba7ec4c 100644
Binary files a/Knots/obj/Debug/net8.0/Knots.dll and b/Knots/obj/Debug/net8.0/Knots.dll differ
diff --git a/Knots/obj/Debug/net8.0/Knots.pdb b/Knots/obj/Debug/net8.0/Knots.pdb
index e0df184..3c9398e 100644
Binary files a/Knots/obj/Debug/net8.0/Knots.pdb and b/Knots/obj/Debug/net8.0/Knots.pdb differ
diff --git a/Knots/obj/Debug/net8.0/ref/Knots.dll b/Knots/obj/Debug/net8.0/ref/Knots.dll
index 69e9da9..5e72baf 100644
Binary files a/Knots/obj/Debug/net8.0/ref/Knots.dll and b/Knots/obj/Debug/net8.0/ref/Knots.dll differ
diff --git a/Knots/obj/Debug/net8.0/refint/Knots.dll b/Knots/obj/Debug/net8.0/refint/Knots.dll
index 69e9da9..5e72baf 100644
Binary files a/Knots/obj/Debug/net8.0/refint/Knots.dll and b/Knots/obj/Debug/net8.0/refint/Knots.dll differ