Prevent CRF control from showing in non-CRF modes

DONE.md

@@ -825,6 +825,7 @@ This file tracks completed features, fixes, and milestones.
 - ✅ Default bitrate preset set to 2.5 Mbps and added 2.0 Mbps option
 - ✅ Default encoder preset set to slow
 - ✅ Bitrate mode now strictly hides unrelated controls (CRF only in CRF mode)
+- ✅ Removed CRF visibility toggle from quality updates to prevent CBR/VBR bleed-through
 - ✅ Stabilized video seeking and embedded rendering
 - ✅ Improved player window positioning
 - ✅ Fixed clear video functionality

TODO.md

@@ -58,6 +58,7 @@ This file tracks upcoming features, improvements, and known issues.
   - Default bitrate preset set to 2.5 Mbps with added 2.0 Mbps option
   - Default encoder preset set to slow
   - Bitrate mode hides unrelated controls (CRF only in CRF mode)
+  - CRF visibility no longer overridden by quality updates
 
 *Last Updated: 2025-12-20*
 

main.go

@@ -6702,7 +6702,6 @@ func buildConvertView(state *appState, src *videoSource) fyne.CanvasObject {
 	updateQualityVisibility = func() {
 		hide := strings.Contains(strings.ToLower(state.convert.SelectedFormat.Label), "h.265") ||
 			strings.EqualFold(state.convert.VideoCodec, "H.265")
-		hideCRF := strings.EqualFold(state.convert.Quality, "Lossless")
 
 		if qualitySectionSimple != nil {
 			if hide {
@@ -6718,13 +6717,6 @@ func buildConvertView(state *appState, src *videoSource) fyne.CanvasObject {
 				qualitySectionAdv.Show()
 			}
 		}
-		if crfContainer != nil {
-			if hideCRF {
-				crfContainer.Hide()
-			} else {
-				crfContainer.Show()
-			}
-		}
 	}
 
 	// Simple mode options - minimal controls, aspect locked to Source