chore: upgrade i18next 26, prettier 3, fontsource-variable, domhandler 6, lint-staged 17

- i18next 23->26 + react-i18next 15->17
- prettier 2->3, reformat all files
- replace @fontsource/inter with @fontsource-variable/inter 5, update import path
- domhandler 5->6 (aligns with transitive deps)
- lint-staged 16->17

src/app/components/message/layout/Base.tsx

@@ -8,12 +8,12 @@ export const MessageBase = as<'div', css.MessageBaseVariants>(
     <div
       className={classNames(
         css.MessageBase({ highlight, selected, collapse, autoCollapse, space }),
-        className
+        className,
       )}
       {...props}
       ref={ref}
     />
-  )
+  ),
 );
 
 export const AvatarBase = as<'span'>(({ className, ...props }, ref) => (
@@ -38,5 +38,5 @@ export const MessageTextBody = as<'div', css.MessageTextBodyVariants & { notice?
       {...props}
       ref={ref}
     />
-  )
+  ),
 );

src/app/components/message/layout/Bubble.tsx

@@ -59,5 +59,5 @@ export const BubbleLayout = as<'div', BubbleLayoutProps>(
         )}
       </Box>
     </Box>
-  )
+  ),
 );

src/app/components/message/layout/Compact.tsx

@@ -14,5 +14,5 @@ export const CompactLayout = as<'div', CompactLayoutProps>(
       </Box>
       {children}
     </Box>
-  )
+  ),
 );