fix(tui): exclude ImageCollection inline images from yank content

Author: engalar

tui/miller.go

@@ -21,6 +21,7 @@ const (
 type PreviewPane struct {
 	childColumn  *Column
 	content      string
+	imageContent string // inline image sequences — excluded from yank
 	contentLines []string // split content for scrolling
 	highlighted  string
 	mode         PreviewMode
@@ -113,6 +114,7 @@ func (m MillerView) Update(msg tea.Msg) (MillerView, tea.Cmd) {
 		Trace("miller: PreviewReady key=%q highlight=%q len=%d", msg.NodeKey, msg.HighlightType, len(msg.Content))
 		m.preview.loading = false
 		m.preview.content = msg.Content
+		m.preview.imageContent = msg.ImageContent
 		m.preview.contentLines = strings.Split(msg.Content, "\n")
 		m.preview.highlighted = msg.HighlightType
 		m.preview.childColumn = nil
@@ -181,6 +183,7 @@ func (m MillerView) handleCursorChanged(msg CursorChangedMsg) (MillerView, tea.C
 		col.SetItems(treeNodesToItems(node.Children))
 		m.preview.childColumn = &col
 		m.preview.content = ""
+		m.preview.imageContent = ""
 		m.preview.contentLines = nil
 		m.preview.loading = false
 		m.preview.scrollOffset = 0
@@ -196,6 +199,7 @@ func (m MillerView) handleCursorChanged(msg CursorChangedMsg) (MillerView, tea.C
 		return m, cmd
 	}
 	m.preview.content = ""
+	m.preview.imageContent = ""
 	m.preview.contentLines = nil
 	m.preview.loading = false
 	return m, nil
@@ -457,10 +461,14 @@ func (m MillerView) renderPreview(previewWidth int) string {
 			out.WriteByte('\n')
 		}
 
-		return lipgloss.NewStyle().
+		rendered := lipgloss.NewStyle().
 			Width(previewWidth).
 			MaxHeight(m.height).
 			Render(out.String())
+		if m.preview.imageContent != "" {
+			rendered += "\n" + m.preview.imageContent
+		}
+		return rendered
 	}
 
 	return lipgloss.NewStyle().
@@ -740,6 +748,7 @@ func (m *MillerView) updateFocusStyles() {
 func (m *MillerView) clearPreview() {
 	m.preview.childColumn = nil
 	m.preview.content = ""
+	m.preview.imageContent = ""
 	m.preview.contentLines = nil
 	m.preview.loading = false
 	m.preview.scrollOffset = 0

tui/preview.go

@@ -46,12 +46,14 @@ const (
 // PreviewResult holds cached preview content.
 type PreviewResult struct {
 	Content       string
+	ImageContent  string // rendered inline images (excluded from yank)
 	HighlightType string // "mdl" / "ndsl" / "plain"
 }
 
 // PreviewReadyMsg is sent when async preview content is available.
 type PreviewReadyMsg struct {
 	Content       string
+	ImageContent  string // rendered inline images (excluded from yank)
 	HighlightType string
 	NodeKey       string
 }
@@ -131,13 +133,21 @@ func (e *PreviewEngine) RequestPreview(nodeType, qualifiedName string, mode Prev
 				highlighted = DetectAndHighlight(content)
 			}
 
-			result := PreviewResult{Content: highlighted, HighlightType: highlightType}
+			// Render inline images separately so yank only copies MDL text.
+			var imageContent string
+			if strings.ToLower(nodeType) == "imagecollection" && mode == PreviewMDL {
+				imagePaths := extractImagePaths(content)
+				imageContent = renderImages(imagePaths)
+			}
+
+			result := PreviewResult{Content: highlighted, ImageContent: imageContent, HighlightType: highlightType}
 			e.mu.Lock()
 			e.cache[key] = result
 			e.mu.Unlock()
 
 			return PreviewReadyMsg{
 				Content:       highlighted,
+				ImageContent:  imageContent,
 				HighlightType: highlightType,
 				NodeKey:       key,
 			}
@@ -202,15 +212,6 @@ func (e *PreviewEngine) fetch(ctx context.Context, nodeType, qualifiedName strin
 		content = stripJavaCodeBlock(content)
 	}
 
-	// For imagecollection MDL preview, append inline images if terminal supports it.
-	if strings.ToLower(nodeType) == "imagecollection" && mode == PreviewMDL {
-		imagePaths := extractImagePaths(content)
-		rendered := renderImages(imagePaths)
-		if rendered != "" {
-			content = content + "\n" + rendered
-		}
-	}
-
 	return content, highlightType
 }