feat(messages): render sender names through the name-aware path

HellionChat/Plugin.cs

@@ -385,6 +385,7 @@ public sealed class Plugin : IAsyncDalamudPlugin
                 new SelfTests.PerformanceBaselineStep(this),
                 new SelfTests.MainWindowFocusOpacityStep(this),
                 new SelfTests.MainWindowFlagsStep(this),
+                new SelfTests.SenderNameReformatStep(this),
             ]);
 
             // Re-surface the wizard for existing users when a major UX

HellionChat/SelfTests/SenderNameReformatStep.cs

@@ -0,0 +1,81 @@
+using System.Collections.Generic;
+using Dalamud.Bindings.ImGui;
+using Dalamud.Game.Text.SeStringHandling.Payloads;
+using Dalamud.Plugin.SelfTest;
+
+namespace HellionChat.SelfTests;
+
+// B2-1/B2-2: proves the WorldSuffixMode/NameFormMode reformat reaches the REAL
+// render entry. Drives ChunkRenderer.DrawChunks (a SelfTests/README-sanctioned
+// real entry that wires SenderNameDisplay.ForDisplay at ChunkRenderer.cs:54)
+// with a synthetic ChunkSource.Sender chunk carrying a PlayerPayload, at a
+// non-neutral NameFormMode, and reads the LastRenderedSenderText observability
+// the real draw produced. NameFormMode.Initials + WorldSuffixMode.Never is
+// world-independent ("Test Tester" -> "T. T."), so the assertion is
+// deterministic without a live world lookup. The MessageList routing (its row
+// methods pass message.Sender to DrawChunks) is gated by the reviewer-grep
+// (Step 2.6) + in-game smoke, since the visible sender change needs real chat +
+// the world sheet. Does NOT call SenderNameFormatter/ForDisplay in isolation
+// (the false-green trap — both are green today on a path the message list never
+// takes for the sender).
+internal sealed class SenderNameReformatStep : ISelfTestStep
+{
+    private readonly Plugin plugin;
+
+    public SenderNameReformatStep(Plugin plugin)
+    {
+        this.plugin = plugin;
+    }
+
+    public string Name => "Hellion Chat - sender name reformat";
+
+    public SelfTestStepResult RunStep()
+    {
+        var renderer = this.plugin.ChunkRenderer;
+        if (renderer is null)
+        {
+            ImGui.Text("Plugin.ChunkRenderer is null");
+            return SelfTestStepResult.Fail;
+        }
+
+        var savedForm = Plugin.Config.NameFormMode;
+        var savedSuffix = Plugin.Config.WorldSuffixMode;
+        var savedScreenshot = Plugin.Config.ScreenshotMode;
+        try
+        {
+            // Initials (non-neutral) so ForDisplay reformats; Never + screenshot
+            // off so the result is world-independent and the reformat is not
+            // skipped.
+            Plugin.Config.NameFormMode = NameFormMode.Initials;
+            Plugin.Config.WorldSuffixMode = WorldSuffixMode.Never;
+            Plugin.Config.ScreenshotMode = false;
+
+            // ForDisplay formats payload.PlayerName, not the chunk text.
+            var payload = new PlayerPayload("Test Tester", 1u);
+            var senderChunks = new List<Chunk>
+            {
+                new TextChunk(ChunkSource.Sender, payload, "Test Tester"),
+            };
+
+            renderer.DrawChunks(senderChunks);
+
+            if (renderer.LastRenderedSenderText != "T. T.")
+            {
+                ImGui.Text(
+                    $"LastRenderedSenderText = '{renderer.LastRenderedSenderText}', expected 'T. T.' (Initials reformat through the real render path)"
+                );
+                return SelfTestStepResult.Fail;
+            }
+
+            return SelfTestStepResult.Pass;
+        }
+        finally
+        {
+            Plugin.Config.NameFormMode = savedForm;
+            Plugin.Config.WorldSuffixMode = savedSuffix;
+            Plugin.Config.ScreenshotMode = savedScreenshot;
+        }
+    }
+
+    public void CleanUp() { }
+}

HellionChat/Ui/Components/ChunkRenderer.cs

@@ -38,6 +38,13 @@ internal sealed class ChunkRenderer
         _ = _logger;
     }
 
+    // B2-1/B2-2 render-observability: the formatted sender text the real draw
+    // path actually produced (post-ForDisplay). A SelfTest reads this after
+    // driving DrawChunks to prove the WorldSuffixMode/NameFormMode reformat
+    // reached the real render entry — never the helper in isolation. null until
+    // a sender span is reformatted for display.
+    internal string? LastRenderedSenderText { get; private set; }
+
     public void DrawChunks(
         IReadOnlyList<Chunk> chunks,
         bool wrap = true,
@@ -51,7 +58,25 @@ internal sealed class ChunkRenderer
         // the list unchanged when nothing applies, so non-sender lists and the
         // neutral default cost only a quick scan.
         if (!Plugin.Config.ScreenshotMode)
-            chunks = SenderNameDisplay.ForDisplay(chunks);
+        {
+            var displayed = SenderNameDisplay.ForDisplay(chunks);
+            // ForDisplay only allocates a NEW list when it actually reformatted
+            // a sender span (same reference on the neutral default / non-sender
+            // lists). So this scan runs only when a sender name was reformatted
+            // for display — zero overhead on the neutral-default hot path.
+            if (!ReferenceEquals(displayed, chunks))
+            {
+                chunks = displayed;
+                foreach (var c in chunks)
+                {
+                    if (c.Source == ChunkSource.Sender && c is TextChunk reformatted)
+                    {
+                        LastRenderedSenderText = reformatted.Content;
+                        break;
+                    }
+                }
+            }
+        }
 
         using var style = ImRaii.PushStyle(ImGuiStyleVar.ItemSpacing, Vector2.Zero);
 

HellionChat/Ui/Components/MessageList.cs

@@ -88,12 +88,25 @@ internal sealed class MessageList
 
     private void DrawCompactRow(Message message)
     {
+        // B2-1/B2-2: render the sender through DrawChunks (the name-aware path
+        // that applies WorldSuffixMode/NameFormMode via ForDisplay), not as a
+        // flat SenderSource.TextValue string. message.Sender already carries the
+        // channel brackets/colon as ChunkSource.None wrappers (MessageManager
+        // .cs:300-314), so the separator is rendered by the chunks. 1.5.6 parity
+        // (ChatLogWindow.cs:1965: DrawChunks(message.Sender) + SameLine).
         var timestamp = FormatTimestamp(message.Date);
-        var sender = message.SenderSource.TextValue;
-        ImGui.TextUnformatted(
-            string.IsNullOrEmpty(sender) ? timestamp : $"{timestamp}  {sender}: "
-        );
-        ImGui.SameLine(0f, 0f);
+        if (message.Sender.Count > 0)
+        {
+            ImGui.TextUnformatted($"{timestamp}  ");
+            ImGui.SameLine(0f, 0f);
+            _chunkRenderer.DrawChunks(message.Sender, wrap: true, handler: _handler, lineWidth: 0f);
+            ImGui.SameLine(0f, 0f);
+        }
+        else
+        {
+            ImGui.TextUnformatted(timestamp);
+            ImGui.SameLine(0f, 0f);
+        }
         _chunkRenderer.DrawChunks(message.Content, wrap: true, handler: _handler, lineWidth: 0f);
     }
 
@@ -128,9 +141,22 @@ internal sealed class MessageList
 
     private void DrawCardRow(Message message)
     {
+        // B2-1/B2-2: sender via DrawChunks (name-aware path), on its own line
+        // with content below — 1.5.6 card parity (ChatLogWindow.cs:1913, no
+        // SameLine after the sender). The 1.5.6 channel-colour push on the
+        // sender is deferred styling polish (masterplan §6 -> v1.9.0); plain
+        // text here.
         var timestamp = FormatTimestamp(message.Date);
-        var sender = message.SenderSource.TextValue;
-        ImGui.TextUnformatted(string.IsNullOrEmpty(sender) ? timestamp : $"{timestamp}  {sender}");
+        if (message.Sender.Count > 0)
+        {
+            ImGui.TextUnformatted($"{timestamp}  ");
+            ImGui.SameLine(0f, 0f);
+            _chunkRenderer.DrawChunks(message.Sender, wrap: true, handler: _handler, lineWidth: 0f);
+        }
+        else
+        {
+            ImGui.TextUnformatted(timestamp);
+        }
         _chunkRenderer.DrawChunks(message.Content, wrap: true, handler: _handler, lineWidth: 0f);
     }