diff --git a/scripts/rtl-baseline.json b/scripts/rtl-baseline.json
index f4c88162..5d74abc0 100644
--- a/scripts/rtl-baseline.json
+++ b/scripts/rtl-baseline.json
@@ -1,11 +1,5 @@
 {
   "src/components/AGGrid/EnhancedCellRenderers.tsx": 2,
-  "src/components/AI/AIChatModal.tsx": 7,
-  "src/components/AI/HeyOzwell/OzwellSettingsMenu.tsx": 1,
-  "src/components/AI/HeyOzwell/VisitScribe.tsx": 2,
-  "src/components/AI/HeyOzwell/VoiceManager.tsx": 1,
-  "src/components/AI/HeyOzwell/VoiceSetup.tsx": 1,
-  "src/components/AI/Reconciliation.tsx": 1,
   "src/components/AddContactModal/AddContactModal.tsx": 2,
   "src/components/AdditionalFields/AdditionalFields.tsx": 2,
   "src/components/Alert/Alert.tsx": 4,
@@ -62,12 +56,6 @@
   "src/components/MediaEditor/ScriptPanel.tsx": 2,
   "src/components/MediaEditor/SpeedMarkerMenu.tsx": 2,
   "src/components/MedicationList/MedicationList.tsx": 1,
-  "src/components/Messaging/AttachmentPicker.tsx": 3,
-  "src/components/Messaging/ConversationHeader.tsx": 4,
-  "src/components/Messaging/MessageBubble.tsx": 7,
-  "src/components/Messaging/MessageComposer.tsx": 7,
-  "src/components/Messaging/MessageList.tsx": 4,
-  "src/components/Messaging/MessageThread.tsx": 2,
   "src/components/OnboardingWizard/OnboardingWizard.tsx": 6,
   "src/components/OrderCard/OrderCard.tsx": 2,
   "src/components/OrderConfirmationWizard/OrderConfirmationWizard.tsx": 5,
diff --git a/src/components/AI/AIChatModal.tsx b/src/components/AI/AIChatModal.tsx
index dc8fa9ed..83af0538 100644
--- a/src/components/AI/AIChatModal.tsx
+++ b/src/components/AI/AIChatModal.tsx
@@ -25,8 +25,16 @@ export interface AIChatTriggerProps {
   pulse?: boolean;
   /** Badge count for notifications */
   badge?: number;
-  /** Position of the button */
-  position?: 'bottom-right' | 'bottom-left' | 'top-right' | 'top-left';
+  /** Position of the button. `start`/`end` aliases are direction-aware (RTL). */
+  position?:
+    | 'bottom-right'
+    | 'bottom-left'
+    | 'top-right'
+    | 'top-left'
+    | 'bottom-end'
+    | 'bottom-start'
+    | 'top-end'
+    | 'top-start';
   /** Additional class name */
   className?: string;
 }
@@ -40,10 +48,14 @@ export function AIChatTrigger({
   className,
 }: AIChatTriggerProps) {
   const positionClasses = {
-    'bottom-right': 'bottom-4 right-4',
-    'bottom-left': 'bottom-4 left-4',
-    'top-right': 'top-4 right-4',
-    'top-left': 'top-4 left-4',
+    'bottom-right': 'bottom-4 end-4',
+    'bottom-left': 'bottom-4 start-4',
+    'top-right': 'top-4 end-4',
+    'top-left': 'top-4 start-4',
+    'bottom-end': 'bottom-4 end-4',
+    'bottom-start': 'bottom-4 start-4',
+    'top-end': 'top-4 end-4',
+    'top-start': 'top-4 start-4',
   };
 
   return (
@@ -72,7 +84,7 @@ export function AIChatTrigger({
       {badge && badge > 0 && (
         <span
           data-slot="ai-chat-trigger-badge"
-          className="absolute -top-1 -right-1 flex h-5 w-5 items-center justify-center rounded-full bg-red-500 text-xs font-bold"
+          className="absolute -end-1 -top-1 flex h-5 w-5 items-center justify-center rounded-full bg-red-500 text-xs font-bold"
         >
           {badge > 9 ? '9+' : badge}
         </span>
@@ -96,8 +108,13 @@ export interface AIChatModalProps extends Omit<
   open: boolean;
   /** Callback when the modal should close */
   onOpenChange: (open: boolean) => void;
-  /** Position of the modal */
-  position?: 'bottom-right' | 'bottom-left' | 'center';
+  /** Position of the modal. `start`/`end` aliases are direction-aware (RTL). */
+  position?:
+    | 'bottom-right'
+    | 'bottom-left'
+    | 'bottom-end'
+    | 'bottom-start'
+    | 'center';
   /** Width of the modal */
   width?: string | number;
   /** Height of the modal */
@@ -129,8 +146,10 @@ export function AIChatModal({
   if (!open) return null;
 
   const positionClasses = {
-    'bottom-right': 'bottom-20 right-4',
-    'bottom-left': 'bottom-20 left-4',
+    'bottom-right': 'bottom-20 end-4',
+    'bottom-left': 'bottom-20 start-4',
+    'bottom-end': 'bottom-20 end-4',
+    'bottom-start': 'bottom-20 start-4',
     center: 'top-1/2 left-1/2 -translate-x-1/2 -translate-y-1/2',
   };
 
diff --git a/src/components/AI/HeyOzwell/OzwellSettingsMenu.tsx b/src/components/AI/HeyOzwell/OzwellSettingsMenu.tsx
index 603a6f72..4c41c417 100644
--- a/src/components/AI/HeyOzwell/OzwellSettingsMenu.tsx
+++ b/src/components/AI/HeyOzwell/OzwellSettingsMenu.tsx
@@ -43,7 +43,7 @@ function ItemLabel({ label, sub }: { label: string; sub: string }) {
 
 /** DropdownItem's default-variant classes, reused by the custom collapsible row for visual parity. */
 const itemClasses = cn(
-  'flex w-full items-center gap-3 rounded-lg px-3 py-2 text-left text-sm',
+  'flex w-full items-center gap-3 rounded-lg px-3 py-2 text-start text-sm',
   'transition-colors duration-150 focus:outline-none',
   'text-neutral-700 dark:text-neutral-300',
   'hover:bg-neutral-100 dark:hover:bg-neutral-700',
diff --git a/src/components/AI/HeyOzwell/VisitScribe.tsx b/src/components/AI/HeyOzwell/VisitScribe.tsx
index 806764e5..c3e1a52f 100644
--- a/src/components/AI/HeyOzwell/VisitScribe.tsx
+++ b/src/components/AI/HeyOzwell/VisitScribe.tsx
@@ -220,7 +220,7 @@ export function VisitScribe({
         {recording ? (
           <Button variant="danger" onClick={scribe.stop}>
             <span
-              className="mr-2 inline-block h-2.5 w-2.5 animate-pulse rounded-full bg-white"
+              className="me-2 inline-block h-2.5 w-2.5 animate-pulse rounded-full bg-white"
               aria-hidden="true"
             />
             Stop · {mmss(elapsedMs)}
@@ -312,7 +312,7 @@ export function VisitScribe({
       >
         {recording && (
           <span
-            className="mr-2 inline-block h-2 w-2 animate-pulse rounded-full bg-red-500 align-middle"
+            className="me-2 inline-block h-2 w-2 animate-pulse rounded-full bg-red-500 align-middle"
             aria-hidden="true"
           />
         )}
diff --git a/src/components/AI/HeyOzwell/VoiceManager.tsx b/src/components/AI/HeyOzwell/VoiceManager.tsx
index e3f281ea..2664bd0f 100644
--- a/src/components/AI/HeyOzwell/VoiceManager.tsx
+++ b/src/components/AI/HeyOzwell/VoiceManager.tsx
@@ -146,7 +146,7 @@ export function VoiceManager({ logoSrc }: VoiceManagerProps) {
             {voices.map((v) => (
               <div
                 key={v.id}
-                className="border-border bg-card flex items-center gap-3 rounded-2xl border px-4 py-3 text-left"
+                className="border-border bg-card flex items-center gap-3 rounded-2xl border px-4 py-3 text-start"
               >
                 <div className="min-w-0 flex-1">
                   {editingId === v.id ? (
diff --git a/src/components/AI/HeyOzwell/VoiceSetup.tsx b/src/components/AI/HeyOzwell/VoiceSetup.tsx
index c700aab4..cfda52b0 100644
--- a/src/components/AI/HeyOzwell/VoiceSetup.tsx
+++ b/src/components/AI/HeyOzwell/VoiceSetup.tsx
@@ -113,7 +113,7 @@ export function VoiceSetup({
         <Button
           variant="ghost"
           size="sm"
-          className="text-muted-foreground absolute top-4 left-4"
+          className="text-muted-foreground absolute start-4 top-4"
           onClick={() => {
             oz.cancel();
             onCancel();
diff --git a/src/components/AI/Reconciliation.tsx b/src/components/AI/Reconciliation.tsx
index 80f6d07d..20df095d 100644
--- a/src/components/AI/Reconciliation.tsx
+++ b/src/components/AI/Reconciliation.tsx
@@ -411,7 +411,7 @@ function ReconciliationProposalRow({
             {proposal.label}
             {proposal.required && (
               <span
-                className="text-muted-foreground ml-1 text-xs font-normal"
+                className="text-muted-foreground ms-1 text-xs font-normal"
                 aria-label="required"
               >
                 (required)
diff --git a/src/components/Messaging/AttachmentPicker.tsx b/src/components/Messaging/AttachmentPicker.tsx
index 514853f2..22c2c037 100644
--- a/src/components/Messaging/AttachmentPicker.tsx
+++ b/src/components/Messaging/AttachmentPicker.tsx
@@ -231,7 +231,7 @@ function AttachmentPreviewItem({
         type="button"
         onClick={onRemove}
         className={cn(
-          'absolute -top-1 -right-1 z-10',
+          'absolute -end-1 -top-1 z-10',
           'rounded-full p-1',
           'bg-neutral-900 text-white',
           'opacity-0 group-hover:opacity-100',
@@ -259,7 +259,7 @@ function AttachmentPreviewItem({
       {/* File name tooltip on hover */}
       <div
         className={cn(
-          'absolute right-0 bottom-0 left-0',
+          'absolute start-0 end-0 bottom-0',
           'bg-black/70 px-1 py-0.5',
           'opacity-0 group-hover:opacity-100',
           'transition-opacity'
diff --git a/src/components/Messaging/ConversationHeader.tsx b/src/components/Messaging/ConversationHeader.tsx
index a8f6742c..fe949349 100644
--- a/src/components/Messaging/ConversationHeader.tsx
+++ b/src/components/Messaging/ConversationHeader.tsx
@@ -176,7 +176,7 @@ const ConversationHeader = React.forwardRef<
               type="button"
               onClick={onBack}
               className={cn(
-                '-ml-2 rounded-full p-2',
+                '-ms-2 rounded-full p-2',
                 'text-neutral-500 hover:text-neutral-700',
                 'dark:text-neutral-400 dark:hover:text-neutral-200',
                 'hover:bg-neutral-100 dark:hover:bg-neutral-800',
@@ -227,7 +227,7 @@ const ConversationHeader = React.forwardRef<
           {showOnlineStatus && isOnline && (
             <span
               className={cn(
-                'absolute right-0 bottom-0',
+                'absolute end-0 bottom-0',
                 'h-3 w-3 rounded-full',
                 'bg-green-500 ring-2 ring-white dark:ring-neutral-900'
               )}
@@ -334,7 +334,7 @@ const ConversationListItem = React.forwardRef<
       data-slot="conversation-list-item"
       className={cn(
         'flex w-full items-center gap-3 px-4 py-3',
-        'text-left transition-colors',
+        'text-start transition-colors',
         isSelected
           ? 'bg-primary-50 dark:bg-primary-900/20'
           : 'hover:bg-neutral-50 dark:hover:bg-neutral-800/50',
@@ -368,7 +368,7 @@ const ConversationListItem = React.forwardRef<
         {participant?.isOnline && (
           <span
             className={cn(
-              'absolute right-0 bottom-0',
+              'absolute end-0 bottom-0',
               'h-3 w-3 rounded-full',
               'bg-green-500 ring-2 ring-white dark:ring-neutral-900'
             )}
diff --git a/src/components/Messaging/MessageBubble.tsx b/src/components/Messaging/MessageBubble.tsx
index 7d313496..7640bbf2 100644
--- a/src/components/Messaging/MessageBubble.tsx
+++ b/src/components/Messaging/MessageBubble.tsx
@@ -160,7 +160,10 @@ function ReadReceiptIndicator({
 
   return (
     <div
-      className={cn('flex items-center -space-x-1', className)}
+      className={cn(
+        'flex items-center -space-x-1 rtl:space-x-reverse',
+        className
+      )}
       aria-label={`Read by ${receipts.map((r) => r.participant.name).join(', ')}`}
     >
       {visibleReceipts.map((receipt) => (
@@ -337,7 +340,7 @@ function AttachmentPreview({
           />
         </svg>
       </div>
-      <div className="min-w-0 flex-1 text-left">
+      <div className="min-w-0 flex-1 text-start">
         <p className="truncate text-sm font-medium">{attachment.filename}</p>
         <p className="text-xs opacity-70">{formatFileSize(attachment.size)}</p>
       </div>
@@ -367,12 +370,12 @@ const bubbleVariants = cva(
   {
     variants: {
       variant: {
-        outgoing: ['bg-primary-800 text-white', 'rounded-br-md', 'ml-auto'],
+        outgoing: ['bg-primary-800 text-white', 'rounded-ee-md', 'ms-auto'],
         incoming: [
           'bg-neutral-100 text-neutral-900',
           'dark:bg-neutral-800 dark:text-neutral-100',
-          'rounded-bl-md',
-          'mr-auto',
+          'rounded-es-md',
+          'me-auto',
         ],
         system: [
           'mx-auto max-w-none',
@@ -598,7 +601,7 @@ const MessageBubble = React.forwardRef<HTMLDivElement, MessageBubbleProps>(
 
             {/* Edited indicator */}
             {message.isEdited && !message.isDeleted && (
-              <span className="ml-1 text-xs opacity-60">(edited)</span>
+              <span className="ms-1 text-xs opacity-60">(edited)</span>
             )}
           </div>
 
diff --git a/src/components/Messaging/MessageComposer.tsx b/src/components/Messaging/MessageComposer.tsx
index 0cbe70d9..6b669090 100644
--- a/src/components/Messaging/MessageComposer.tsx
+++ b/src/components/Messaging/MessageComposer.tsx
@@ -636,7 +636,7 @@ const MessageComposer = React.forwardRef<
               className={cn(
                 'flex items-center gap-2 px-4 py-2',
                 'bg-neutral-50 dark:bg-neutral-800/50',
-                'border-primary-500 border-l-4'
+                'border-primary-500 border-s-4'
               )}
             >
               <div className="min-w-0 flex-1">
@@ -755,7 +755,7 @@ const MessageComposer = React.forwardRef<
                           }}
                           onMouseEnter={() => setMentionHighlight(i)}
                           className={cn(
-                            'flex w-full items-center gap-2 px-3 py-1.5 text-left text-sm',
+                            'flex w-full items-center gap-2 px-3 py-1.5 text-start text-sm',
                             i === clampedMentionHighlight
                               ? 'bg-primary-100 text-primary-900 dark:bg-primary-900/40 dark:text-primary-100'
                               : 'text-neutral-700 dark:text-neutral-200'
@@ -765,7 +765,7 @@ const MessageComposer = React.forwardRef<
                           <span className="min-w-0 flex-1 truncate">
                             <span className="font-medium">{option.label}</span>
                             {option.description && (
-                              <span className="ml-1 text-xs text-neutral-400">
+                              <span className="ms-1 text-xs text-neutral-400">
                                 {option.description}
                               </span>
                             )}
@@ -803,7 +803,7 @@ const MessageComposer = React.forwardRef<
                 rows={1}
                 className={cn(
                   'w-full resize-none rounded-2xl py-2.5',
-                  inputTrailing ? 'pr-10 pl-4' : 'px-4',
+                  inputTrailing ? 'ps-4 pe-10' : 'px-4',
                   'bg-neutral-100 dark:bg-neutral-800',
                   'text-neutral-900 dark:text-neutral-100',
                   'placeholder:text-neutral-400 dark:placeholder:text-neutral-500',
@@ -829,7 +829,7 @@ const MessageComposer = React.forwardRef<
               {inputTrailing && (
                 <div
                   data-slot="composer-input-trailing"
-                  className="pointer-events-none absolute top-0 right-1 flex h-[44px] items-center [&>*]:pointer-events-auto"
+                  className="pointer-events-none absolute end-1 top-0 flex h-[44px] items-center [&>*]:pointer-events-auto"
                 >
                   {inputTrailing}
                 </div>
@@ -840,7 +840,7 @@ const MessageComposer = React.forwardRef<
                 <div
                   data-slot="composer-char-count"
                   id="char-count"
-                  className="absolute right-3 bottom-1.5"
+                  className="absolute end-3 bottom-1.5"
                 >
                   <CharacterCounter current={content.length} max={maxLength} />
                 </div>
diff --git a/src/components/Messaging/MessageList.tsx b/src/components/Messaging/MessageList.tsx
index 5fd54c6f..d2c9780a 100644
--- a/src/components/Messaging/MessageList.tsx
+++ b/src/components/Messaging/MessageList.tsx
@@ -129,8 +129,8 @@ function SkeletonMessage({
         className={cn(
           'animate-pulse rounded-2xl',
           isOutgoing
-            ? 'bg-primary-800/30 rounded-br-md'
-            : 'rounded-bl-md bg-neutral-200 dark:bg-neutral-700',
+            ? 'bg-primary-800/30 rounded-ee-md'
+            : 'rounded-es-md bg-neutral-200 dark:bg-neutral-700',
           'h-10 w-48'
         )}
       />
@@ -176,7 +176,7 @@ function TypingIndicator({ typingState, className }: TypingIndicatorProps) {
       aria-label={typingText}
     >
       {/* Typing bubble animation */}
-      <div className="flex items-center gap-1 rounded-2xl rounded-bl-md bg-neutral-200 px-4 py-3 dark:bg-neutral-700">
+      <div className="flex items-center gap-1 rounded-2xl rounded-es-md bg-neutral-200 px-4 py-3 dark:bg-neutral-700">
         <span
           className="h-2 w-2 animate-bounce rounded-full bg-neutral-500"
           style={{ animationDelay: '0ms' }}
@@ -619,7 +619,7 @@ const MessageList = React.forwardRef<HTMLDivElement, MessageListProps>(
               bottomRef.current?.scrollIntoView({ behavior: 'smooth' });
             }}
             className={cn(
-              'fixed right-4 bottom-24 z-10',
+              'fixed end-4 bottom-24 z-10',
               'rounded-full p-3 shadow-lg',
               'bg-white dark:bg-neutral-800',
               'border border-neutral-200 dark:border-neutral-700',
diff --git a/src/components/Messaging/MessageThread.tsx b/src/components/Messaging/MessageThread.tsx
index bb4d340b..1816d108 100644
--- a/src/components/Messaging/MessageThread.tsx
+++ b/src/components/Messaging/MessageThread.tsx
@@ -74,7 +74,7 @@ function LightboxModal({ attachment, onClose }: LightboxModalProps) {
         type="button"
         onClick={onClose}
         className={cn(
-          'absolute top-4 right-4 z-10',
+          'absolute end-4 top-4 z-10',
           'rounded-full p-2',
           'bg-white/10 text-white',
           'hover:bg-white/20',
@@ -436,7 +436,7 @@ function MessagingSplitView({
         data-slot="messaging-list-pane"
         className={cn(
           'h-full w-full flex-shrink-0',
-          'border-r border-neutral-200 dark:border-neutral-700',
+          'border-e border-neutral-200 dark:border-neutral-700',
           hideMobileClasses[mobileBreakpoint]
         )}
         style={{
diff --git a/src/tailwind-preset.cjs b/src/tailwind-preset.cjs
index b494a4db..77cb484a 100644
--- a/src/tailwind-preset.cjs
+++ b/src/tailwind-preset.cjs
@@ -112,6 +112,18 @@ module.exports = {
     'translate-x-0',
     '-translate-x-full',
     '[&:has([role=checkbox])]:pe-0',
+    // RTL messaging+AI batch: bubble tails, composer borders/paddings, corner
+    // pins (AIChatModal/AttachmentPicker/MessageList), read-receipt avatar stack
+    'end-1',
+    'end-3',
+    'end-4',
+    'start-4',
+    'me-2',
+    'pe-10',
+    'border-s-4',
+    'rounded-ee-md',
+    'rounded-es-md',
+    'rtl:space-x-reverse',
     // MediaEditor media-surface height cap: the small-screen `dvh` cap, and the
     // md variants that hand desktop back its original percentage cap. Purging
     // these uncaps the player on a phone, which is the bug the cap exists for.
diff --git a/src/tailwind-preset.ts b/src/tailwind-preset.ts
index 05672612..93a00c02 100644
--- a/src/tailwind-preset.ts
+++ b/src/tailwind-preset.ts
@@ -469,6 +469,18 @@ export const miewebUISafelist = [
   'translate-x-0',
   '-translate-x-full',
   '[&:has([role=checkbox])]:pe-0',
+  // RTL messaging+AI batch: bubble tails, composer borders/paddings, corner
+  // pins (AIChatModal/AttachmentPicker/MessageList), read-receipt avatar stack
+  'end-1',
+  'end-3',
+  'end-4',
+  'start-4',
+  'me-2',
+  'pe-10',
+  'border-s-4',
+  'rounded-ee-md',
+  'rounded-es-md',
+  'rtl:space-x-reverse',
   // SchedulePicker / overflow handling
   'overflow-x-auto',
   'overflow-hidden',