From 820e9513ba653f121e114614f08f0bc68440010d Mon Sep 17 00:00:00 2001
From: Enrico Ros <enrico.ros@gmail.com>
Date: Tue, 11 Nov 2025 18:14:39 -0800
Subject: [PATCH] Fragments: Void reasoning priority

---
 .../message/fragments-void/BlockPartModelAux.tsx      | 11 +++++++++--
 .../message/fragments-void/VoidFragments.tsx          |  3 ++-
 2 files changed, 11 insertions(+), 3 deletions(-)

diff --git a/src/apps/chat/components/message/fragments-void/BlockPartModelAux.tsx b/src/apps/chat/components/message/fragments-void/BlockPartModelAux.tsx
index bf95edc97..33e9c0b7f 100644
--- a/src/apps/chat/components/message/fragments-void/BlockPartModelAux.tsx
+++ b/src/apps/chat/components/message/fragments-void/BlockPartModelAux.tsx
@@ -38,6 +38,12 @@ const _styles = {
     boxShadow: `1px 2px 4px -3px var(--joy-palette-${REASONING_COLOR}-solidBg)`,
   } as const,
 
+  chipDisabled: {
+    px: 1.5,
+    py: 0.375,
+    my: '1px', // to not crop the outline on mobile
+  } as const,
+
   chipIcon: {
     fontSize: '1rem',
     mr: 0.5,
@@ -95,6 +101,7 @@ export function BlockPartModelAux(props: {
   auxRedactedDataCount: number,
   zenMode: boolean,
   contentScaling: ContentScaling,
+  isLastVoid: boolean,
   onFragmentReplace?: (fragmentId: DMessageFragmentId, newFragment: DMessageContentFragment) => void,
 }) {
 
@@ -149,11 +156,11 @@ export function BlockPartModelAux(props: {
     {/* Chip to expand/collapse */}
     <Box sx={{ display: 'flex', flexWrap: 'wrap', gap: 1, alignItems: 'center', justifyContent: 'space-between' }}>
       <Chip
-        color={REASONING_COLOR}
+        color={props.isLastVoid ? REASONING_COLOR : 'neutral'}
         variant={expanded ? 'solid' : 'soft'}
         size='sm'
         onClick={handleToggleExpanded}
-        sx={expanded ? _styles.chipExpanded : _styles.chip}
+        sx={expanded ? _styles.chipExpanded : props.isLastVoid ? _styles.chip : _styles.chipDisabled}
         startDecorator={<AllInclusiveIcon sx={_styles.chipIcon}  /* sx={{ color: expanded ? undefined : REASONING_COLOR }} */ />}
         // startDecorator='🧠'
       >
diff --git a/src/apps/chat/components/message/fragments-void/VoidFragments.tsx b/src/apps/chat/components/message/fragments-void/VoidFragments.tsx
index 6880cfb96..d76f1314e 100644
--- a/src/apps/chat/components/message/fragments-void/VoidFragments.tsx
+++ b/src/apps/chat/components/message/fragments-void/VoidFragments.tsx
@@ -72,7 +72,7 @@ export function VoidFragments(props: {
 
   return <Box aria-label='message void' sx={showDataStreamViz ? editLayoutSx : fromAssistant ? startLayoutSx : endLayoutSx}>
 
-    {props.voidFragments.map(({ fId, part }) => {
+    {props.voidFragments.map(({ fId, part }, index) => {
       switch (part.pt) {
 
         case 'annotations':
@@ -95,6 +95,7 @@ export function VoidFragments(props: {
               auxRedactedDataCount={part.redactedData?.length ?? 0}
               zenMode={props.uiComplexityMode === 'minimal'}
               contentScaling={props.contentScaling}
+              isLastVoid={index === props.voidFragments.length - 1}
               onFragmentReplace={props.onFragmentReplace}
             />
           );