Restore review-flagged comment content cut too aggressively in comment reduction

src/core/capture/render_settings.h

@@ -128,9 +128,11 @@ RangeSource inferRangeSource(bool hasRazorArea);
 // track's OWN FX, (b) every ancestor (parent/folder) track's FX, (c) the
 // master FX. The caller (FxBypassGuard, shell) walks the ancestor chain via
 // GetParentTrack, clears I_FXEN on each flagged track (RAII restore), and also
-// neutralizes D_VOL/D_PAN/D_WIDTH/D_PANLAW to unity/center on the same set —
-// I_FXEN alone doesn't touch a track's volume/pan. This plan selects the set;
-// the guard applies both the FX bypass and the neutralize.
+// neutralizes D_VOL/D_PAN/D_WIDTH/D_PANLAW/I_PANMODE to unity/center on the
+// same set (I_PANMODE is load-bearing: in pan mode 6, D_PAN/D_WIDTH are
+// ignored entirely, so forcing it is what makes the other neutralizations
+// take effect) — I_FXEN alone doesn't touch a track's volume/pan. This plan
+// selects the set; the guard applies both the FX bypass and the neutralize.
 struct FxBypassPlan {
     bool bypassSelfFx     = false;  // the captured track's own FX
     bool bypassAncestorFx = false;  // every ancestor (parent/folder) track's FX