fix(discord): include select-menu option emote in canonical render

Copilot review: an option-emoji-only change previously canonicalized
identically and the gate would skip the edit. Also documents why
_publishedStatuses records before bus delivery (observed-state
semantics protect the drop sweep against failed deliveries).

Co-Authored-By: Claude Fable 5 <noreply@anthropic.com>

Author: HandyS11

src/RustPlusBot.Discord/Posting/RenderCanonicalizer.cs

@@ -104,6 +104,7 @@ private static void AppendComponent(StringBuilder sb, IMessageComponent componen
                     Append(sb, "option.label", option.Label);
                     Append(sb, "option.value", option.Value);
                     Append(sb, "option.description", option.Description);
+                    Append(sb, "option.emote", option.Emote?.ToString());
                     Append(sb, "option.default", option.IsDefault == true ? "1" : "0");
                 }
 

src/RustPlusBot.Features.Connections/Supervisor/ConnectionSupervisor.cs

@@ -47,7 +47,12 @@ internal sealed partial class ConnectionSupervisor(
     private readonly ConcurrentDictionary<(ulong Guild, Guid Server), LiveSocket> _liveSockets = new();
     private readonly ConnectionOptions _options = options.Value;
 
-    /// <summary>Last status published per key IN THIS PROCESS — the store's persisted status survives restarts and would falsely report Connected at boot.</summary>
+    /// <summary>
+    ///     Last status this process REACHED THE PUBLISH STEP WITH per key — the store's persisted status
+    ///     survives restarts and would falsely report Connected at boot. Recorded before bus delivery on
+    ///     purpose: WasConnected must reflect what the supervisor observed, so a failed/cancelled delivery
+    ///     of a Connected event cannot make the next real drop skip its unreachable sweep.
+    /// </summary>
     private readonly ConcurrentDictionary<(ulong Guild, Guid Server), ConnectionStatus> _publishedStatuses = new();
 
     private readonly CancellationTokenSource _shutdown = new();

tests/RustPlusBot.Discord.Tests/Posting/RenderCanonicalizerTests.cs

@@ -142,6 +142,20 @@ public void Select_menu_options_are_included()
             RenderCanonicalizer.Canonicalize(embed: null, Menu("Beta")));
     }
 
+    [Fact]
+    public void Select_menu_option_emote_change_changes_the_canonical_string()
+    {
+        static MessageComponent Menu(string emoji) => new ComponentBuilder()
+            .WithSelectMenu("menu:1", [
+                new SelectMenuOptionBuilder().WithLabel("A").WithValue("v1").WithEmote(new Emoji(emoji))
+            ])
+            .Build();
+
+        Assert.NotEqual(
+            RenderCanonicalizer.Canonicalize(embed: null, Menu("🔥")),
+            RenderCanonicalizer.Canonicalize(embed: null, Menu("💧")));
+    }
+
     [Fact]
     public void Unmodeled_component_kind_differs_from_no_components()
     {