feat(shopping): bouton liste magique + modal édition liste avec suppression

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>

frontend/src/pages/ShoppingPage.tsx

@@ -3,7 +3,7 @@ import { useState, useEffect, useCallback } from 'react'
 import type { ShoppingList, ShoppingListDetail, ShoppingItem, Store } from '../api/shopping'
 import {
   fetchLists, createList, fetchListDetail, updateList, deleteList,
-  addItem, updateItem, deleteItem, finishShopping, fetchStores,
+  addItem, updateItem, deleteItem, finishShopping, fetchStores, generateMagicList,
 } from '../api/shopping'
 import Modal from '../components/Modal'
 import ItemRow from '../components/shopping/ItemRow'
@@ -44,6 +44,8 @@ export default function ShoppingPage() {
   const [error, setError] = useState<string | null>(null)
   const [showCreateModal, setShowCreateModal] = useState(false)
   const [showAddItemModal, setShowAddItemModal] = useState(false)
+  const [showEditListModal, setShowEditListModal] = useState(false)
+  const [generating, setGenerating] = useState(false)
 
   const [newListName, setNewListName] = useState('')
   const [newListStore, setNewListStore] = useState('')
@@ -164,6 +166,33 @@ export default function ShoppingPage() {
     }
   }
 
+  async function handleGenerateMagicList() {
+    setGenerating(true)
+    setError(null)
+    try {
+      const newList = await generateMagicList()
+      void loadLists()
+      setActiveList(newList)
+      setView('detail')
+    } catch {
+      setError('Erreur lors de la génération')
+    } finally {
+      setGenerating(false)
+    }
+  }
+
+  async function handleDeleteActiveList() {
+    if (!activeList) return
+    try {
+      await deleteList(activeList.id)
+      setView('lists')
+      setActiveList(null)
+      void loadLists()
+    } catch {
+      setError('Erreur lors de la suppression')
+    }
+  }
+
   // ── Vue mode magasin ──────────────────────────────────────────────────────
   if (view === 'store' && activeList) {
     const unchecked = activeList.items.filter(i => !i.is_checked)
@@ -250,6 +279,22 @@ export default function ShoppingPage() {
               {activeList.checked_count}/{activeList.item_count} cochés
             </div>
           </div>
+          <button
+            onClick={() => setShowEditListModal(true)}
+            title="Modifier / gérer la liste"
+            style={{
+              background: 'var(--bg-3)',
+              border: '1px solid var(--bg-5)',
+              borderRadius: 8,
+              color: 'var(--ink-2)',
+              cursor: 'pointer',
+              padding: '8px 12px',
+              fontSize: 16,
+              minHeight: 44,
+            }}
+          >
+            <i className="fa-solid fa-pen" />
+          </button>
           <button
             onClick={() => setView('store')}
             style={{
@@ -331,6 +376,75 @@ export default function ShoppingPage() {
             </div>
           </Modal>
         )}
+
+        {showEditListModal && (
+          <Modal title="Gérer la liste" onClose={() => setShowEditListModal(false)}>
+            <p style={{ color: 'var(--ink-3)', fontSize: 12, fontFamily: 'var(--font-ui)', margin: 0, textTransform: 'uppercase', letterSpacing: 1 }}>
+              Ajouter un article
+            </p>
+            <input
+              style={inputStyle}
+              placeholder="Nom de l'article *"
+              value={newItemName}
+              onChange={e => setNewItemName(e.target.value)}
+              autoFocus
+              onKeyDown={async e => {
+                if (e.key === 'Enter') {
+                  await handleAddItem()
+                  setShowEditListModal(false)
+                }
+              }}
+            />
+            <div style={{ display: 'grid', gridTemplateColumns: '1fr 1fr', gap: 8 }}>
+              <input
+                style={inputStyle}
+                placeholder="Quantité"
+                value={newItemQty}
+                onChange={e => setNewItemQty(e.target.value)}
+              />
+              <input
+                style={inputStyle}
+                placeholder="Unité (kg, L…)"
+                value={newItemUnit}
+                onChange={e => setNewItemUnit(e.target.value)}
+              />
+            </div>
+            <button
+              onClick={async () => {
+                await handleAddItem()
+                if (!error) setShowEditListModal(false)
+              }}
+              style={{
+                padding: '10px 20px', borderRadius: 8, border: 'none',
+                background: 'var(--accent)', color: '#1d2021', cursor: 'pointer',
+                fontFamily: 'var(--font-ui)', fontWeight: 600, minHeight: 48, width: '100%',
+              }}
+            >
+              <i className="fa-solid fa-plus" style={{ marginRight: 8 }} />
+              Ajouter
+            </button>
+
+            <div style={{ borderTop: '1px solid var(--bg-4)', margin: '4px 0' }} />
+
+            <button
+              onClick={() => {
+                setShowEditListModal(false)
+                void handleDeleteActiveList()
+              }}
+              style={{
+                padding: '10px 20px', borderRadius: 8,
+                border: '1px solid var(--err)',
+                background: 'transparent', color: 'var(--err)',
+                cursor: 'pointer', fontFamily: 'var(--font-ui)',
+                fontWeight: 600, minHeight: 48, width: '100%',
+                display: 'flex', alignItems: 'center', justifyContent: 'center', gap: 8,
+              }}
+            >
+              <i className="fa-solid fa-trash" />
+              Supprimer la liste en cours
+            </button>
+          </Modal>
+        )}
       </div>
     )
   }
@@ -338,8 +452,34 @@ export default function ShoppingPage() {
   // ── Vue liste des listes ───────────────────────────────────────────────────
   return (
     <div className="p-4">
-      <div style={{ display: 'flex', alignItems: 'center', marginBottom: 16 }}>
+      <div style={{ display: 'flex', alignItems: 'center', gap: 10, marginBottom: 16 }}>
         <h1 style={{ color: 'var(--accent)', fontFamily: 'var(--font-mono)', margin: 0, flex: 1 }}>Courses</h1>
+        <button
+          onClick={() => void handleGenerateMagicList()}
+          disabled={generating || lists.some(l => l.status === 'draft' || l.status === 'active')}
+          title="Générer une liste automatiquement"
+          style={{
+            background: 'var(--bg-3)',
+            border: '1px solid var(--bg-5)',
+            borderRadius: 8,
+            color: lists.some(l => l.status === 'draft' || l.status === 'active')
+              ? 'var(--ink-4)'
+              : 'var(--accent)',
+            cursor: lists.some(l => l.status === 'draft' || l.status === 'active')
+              ? 'not-allowed'
+              : 'pointer',
+            padding: '8px 12px',
+            fontFamily: 'var(--font-ui)',
+            fontSize: 13,
+            display: 'flex',
+            alignItems: 'center',
+            gap: 6,
+            minHeight: 44,
+          }}
+        >
+          <i className="fa-solid fa-wand-magic-sparkles" />
+          {generating ? 'Génération…' : 'Liste magique'}
+        </button>
       </div>
 
       {error && (