fix(chat): hide autocomplete tooltips on mobile

packages/ui/src/components/chat/CommandAutocomplete.tsx

@@ -385,7 +385,7 @@ export const CommandAutocomplete = React.forwardRef<CommandAutocompleteHandle, C
               const isSystem = command.isBuiltIn;
               const isOpenChamberBadge = command.isOpenChamber;
               return (
-                <AutocompleteRowTooltip description={command.description} active={index === selectedIndex}>
+                <AutocompleteRowTooltip description={command.description} active={!isMobile && index === selectedIndex}>
                 <div
                   key={command.id}
                   ref={(el) => { itemRefs.current[index] = el; }}

packages/ui/src/components/chat/FileMentionAutocomplete.tsx

@@ -459,7 +459,7 @@ export const FileMentionAutocomplete = React.forwardRef<FileMentionHandle, FileM
             {visibleAgents.map((agent, index) => {
               const isSelected = selectedIndex === index;
               return (
-                <AutocompleteRowTooltip description={agent.description} active={isSelected}>
+                <AutocompleteRowTooltip description={agent.description} active={!isMobile && isSelected}>
                 <div
                   key={`agent-${agent.name}`}
                   ref={(el) => { itemRefs.current[index] = el; }}

packages/ui/src/components/chat/SkillAutocomplete.tsx

@@ -127,7 +127,7 @@ export const SkillAutocomplete = React.forwardRef<SkillAutocompleteHandle, Skill
     const isProject = skill.scope === 'project';
     const source = skill.source || 'opencode';
     return (
-      <AutocompleteRowTooltip description={skill.description} active={index === selectedIndex}>
+      <AutocompleteRowTooltip description={skill.description} active={!isMobile && index === selectedIndex}>
       <div
         key={`${skill.name}-${skill.scope}`}
         ref={(el) => {