style(13-03): apply Prettier formatting across repo

Mechanical reformat — no logic changes. 398 files changed, 19125
insertions(+), 16457 deletions(-). Prettier 3.8.4 with .prettierrc
(singleQuote:true, semi:true, tabWidth:2, trailingComma:all,
printWidth:100). Isolated per D-13-08 for reviewability.

apps/pwa/src/components/AddItemInput.tsx

@@ -9,30 +9,30 @@
  *   - Submit: Enter key OR tap "Add" button
  */
 
-import { useState, useRef } from 'react'
+import { useState, useRef } from 'react';
 
 interface AddItemInputProps {
-  onAdd: (text: string) => void
+  onAdd: (text: string) => void;
   /** Whether the add mutation is pending (parent controls this for optimistic state) */
-  isPending?: boolean
+  isPending?: boolean;
 }
 
 export function AddItemInput({ onAdd, isPending = false }: AddItemInputProps) {
-  const [text, setText] = useState('')
-  const inputRef = useRef<HTMLInputElement>(null)
+  const [text, setText] = useState('');
+  const inputRef = useRef<HTMLInputElement>(null);
 
   function handleSubmit() {
-    const trimmed = text.trim()
-    if (!trimmed) return
-    onAdd(trimmed)
-    setText('')
-    inputRef.current?.focus()
+    const trimmed = text.trim();
+    if (!trimmed) return;
+    onAdd(trimmed);
+    setText('');
+    inputRef.current?.focus();
   }
 
   function handleKeyDown(e: React.KeyboardEvent<HTMLInputElement>) {
     if (e.key === 'Enter') {
-      e.preventDefault()
-      handleSubmit()
+      e.preventDefault();
+      handleSubmit();
     }
   }
 
@@ -74,10 +74,10 @@ export function AddItemInput({ onAdd, isPending = false }: AddItemInputProps) {
           fontFamily: 'var(--font-family-base)',
         }}
         onFocus={(e) => {
-          e.currentTarget.style.borderColor = 'var(--color-focus-ring, #4A90D9)'
+          e.currentTarget.style.borderColor = 'var(--color-focus-ring, #4A90D9)';
         }}
         onBlur={(e) => {
-          e.currentTarget.style.borderColor = 'var(--color-border)'
+          e.currentTarget.style.borderColor = 'var(--color-border)';
         }}
       />
       <button
@@ -101,5 +101,5 @@ export function AddItemInput({ onAdd, isPending = false }: AddItemInputProps) {
         Add
       </button>
     </div>
-  )
+  );
 }