feat(sidebar): redimensionnement largeur et zone carnets, retrait note du jour

Ajoute une poignée drag pour la largeur de la sidebar (persistée) et sépare inbox/arbre carnets avec slider vertical ; supprime le bouton Note du jour devenu inutile.

Co-authored-by: Cursor <cursoragent@cursor.com>

memento-note/components/sidebar.tsx

@@ -12,7 +12,6 @@ import {
   BookMarked,
   Bot,
   Inbox,
-  CalendarDays,
   FlaskConical,
   ArrowUpDown,
   Archive,
@@ -68,6 +67,12 @@ import { useBrainstormSessions, useDeleteBrainstorm } from '@/hooks/use-brainsto
 type NavigationView = 'notebooks' | 'agents' | 'reminders' | 'brainstorms' | 'revision' | 'insights'
 type SortOrder = 'newest' | 'oldest' | 'alpha' | 'manual'
 
+const NOTEBOOKS_PANEL_HEIGHT_KEY = 'memento-sidebar-notebooks-height'
+const NOTEBOOKS_PANEL_MIN_PX = 120
+const SIDEBAR_WIDTH_KEY = 'memento-sidebar-width'
+const SIDEBAR_WIDTH_MIN_PX = 280
+const SIDEBAR_WIDTH_MAX_PX = 560
+
 function NoteLink({
   title,
   isActive,
@@ -635,6 +640,119 @@ export function Sidebar({ className, user }: { className?: string; user?: any })
   const [notebookSearchQuery, setNotebookSearchQuery] = useState('')
   const [trashCount, setTrashCount] = useState(0)
 
+  const notebooksContainerRef = useRef<HTMLDivElement>(null)
+  const notebooksPanelRef = useRef<HTMLDivElement>(null)
+  const notebooksPanelHeightRef = useRef<number | null>(null)
+  const [notebooksPanelHeight, setNotebooksPanelHeight] = useState<number | null>(null)
+  const asideRef = useRef<HTMLElement>(null)
+  const sidebarWidthRef = useRef<number | null>(null)
+  const [sidebarWidth, setSidebarWidth] = useState<number | null>(null)
+
+  useEffect(() => {
+    try {
+      const stored = localStorage.getItem(NOTEBOOKS_PANEL_HEIGHT_KEY)
+      if (stored) {
+        const n = parseInt(stored, 10)
+        if (!Number.isNaN(n) && n >= NOTEBOOKS_PANEL_MIN_PX) {
+          setNotebooksPanelHeight(n)
+          notebooksPanelHeightRef.current = n
+        }
+      }
+      const storedW = localStorage.getItem(SIDEBAR_WIDTH_KEY)
+      if (storedW) {
+        const w = parseInt(storedW, 10)
+        if (!Number.isNaN(w) && w >= SIDEBAR_WIDTH_MIN_PX && w <= SIDEBAR_WIDTH_MAX_PX) {
+          setSidebarWidth(w)
+          sidebarWidthRef.current = w
+        }
+      }
+    } catch {
+      /* ignore */
+    }
+  }, [])
+
+  const handleNotebooksResizeStart = useCallback((e: React.PointerEvent<HTMLDivElement>) => {
+    e.preventDefault()
+    e.stopPropagation()
+    const panel = notebooksPanelRef.current
+    const container = notebooksContainerRef.current
+    if (!panel || !container) return
+
+    const target = e.currentTarget
+    target.setPointerCapture(e.pointerId)
+
+    const startY = e.clientY
+    const startH = panel.getBoundingClientRect().height
+    const topBlock = container.querySelector('[data-sidebar-notebooks-top]') as HTMLElement | null
+    const handleH = 12
+    const containerH = container.getBoundingClientRect().height
+    const maxH = Math.max(
+      NOTEBOOKS_PANEL_MIN_PX,
+      containerH - (topBlock?.offsetHeight ?? 160) - handleH,
+    )
+
+    const onMove = (ev: PointerEvent) => {
+      const delta = ev.clientY - startY
+      const newH = Math.min(maxH, Math.max(NOTEBOOKS_PANEL_MIN_PX, startH + delta))
+      notebooksPanelHeightRef.current = newH
+      setNotebooksPanelHeight(newH)
+    }
+    const onUp = (ev: PointerEvent) => {
+      target.releasePointerCapture(ev.pointerId)
+      document.removeEventListener('pointermove', onMove)
+      document.removeEventListener('pointerup', onUp)
+      const h = notebooksPanelHeightRef.current
+      if (h !== null) {
+        try {
+          localStorage.setItem(NOTEBOOKS_PANEL_HEIGHT_KEY, String(h))
+        } catch {
+          /* ignore */
+        }
+      }
+    }
+    document.addEventListener('pointermove', onMove)
+    document.addEventListener('pointerup', onUp)
+  }, [])
+
+  const handleSidebarWidthResizeStart = useCallback((e: React.PointerEvent<HTMLDivElement>) => {
+    e.preventDefault()
+    e.stopPropagation()
+    const aside = asideRef.current
+    if (!aside) return
+
+    const target = e.currentTarget
+    target.setPointerCapture(e.pointerId)
+    document.body.style.cursor = 'col-resize'
+    document.body.style.userSelect = 'none'
+
+    const startX = e.clientX
+    const startW = aside.getBoundingClientRect().width
+
+    const onMove = (ev: PointerEvent) => {
+      const delta = isRtl ? startX - ev.clientX : ev.clientX - startX
+      const newW = Math.min(SIDEBAR_WIDTH_MAX_PX, Math.max(SIDEBAR_WIDTH_MIN_PX, startW + delta))
+      sidebarWidthRef.current = newW
+      setSidebarWidth(newW)
+    }
+    const onUp = (ev: PointerEvent) => {
+      target.releasePointerCapture(ev.pointerId)
+      document.body.style.cursor = ''
+      document.body.style.userSelect = ''
+      document.removeEventListener('pointermove', onMove)
+      document.removeEventListener('pointerup', onUp)
+      const w = sidebarWidthRef.current
+      if (w !== null) {
+        try {
+          localStorage.setItem(SIDEBAR_WIDTH_KEY, String(w))
+        } catch {
+          /* ignore */
+        }
+      }
+    }
+    document.addEventListener('pointermove', onMove)
+    document.addEventListener('pointerup', onUp)
+  }, [isRtl])
+
   const [draggedId, setDraggedId] = useState<string | null>(null)
   // Ref stable pour éviter les stale closures dans les handlers de drop
   const draggedIdRef = useRef<string | null>(null)
@@ -855,21 +973,6 @@ export function Sidebar({ className, user }: { className?: string; user?: any })
     router.push('/home?forceList=1')
   }
 
-  const handleDailyNoteClick = async () => {
-    try {
-      const res = await fetch('/api/notes/daily')
-      const data = await res.json()
-      if (data.success && data.note) {
-        const params = new URLSearchParams()
-        if (data.note.notebookId) params.set('notebook', data.note.notebookId)
-        params.set('openNote', data.note.id)
-        router.push(`/home?${params.toString()}`)
-      }
-    } catch {
-      toast.error(t('sidebar.dailyNoteError') || 'Impossible d\'ouvrir la note du jour')
-    }
-  }
-
   const handleNoteClick = (noteId: string, notebookId: string) => {
     const params = new URLSearchParams(searchParams.toString())
     params.set('notebook', notebookId)
@@ -1180,11 +1283,14 @@ export function Sidebar({ className, user }: { className?: string; user?: any })
       </AnimatePresence>
 
       <aside
+        ref={asideRef}
+        style={sidebarWidth !== null ? { width: sidebarWidth } : undefined}
         className={cn(
           isImmersiveRoute && userCollapsed
             ? 'fixed inset-y-0 start-0 z-[70]'
             : 'fixed inset-y-0 start-0 z-[70] md:relative md:z-auto',
-          'h-full min-h-0 w-80 md:w-[26rem] 2xl:w-[30rem] shrink-0 flex flex-row overflow-hidden self-stretch',
+          sidebarWidth === null && 'w-80 md:w-[26rem] 2xl:w-[30rem]',
+          'h-full min-h-0 shrink-0 flex flex-row self-stretch relative overflow-visible',
           'transition-transform duration-300 ease-in-out',
           isImmersiveRoute && userCollapsed
             ? '-translate-x-full'
@@ -1194,7 +1300,7 @@ export function Sidebar({ className, user }: { className?: string; user?: any })
         )}
       >
         {/* ── Column 1 : Rail d'icônes (54px) — inspiré du prototype ── */}
-        <div className="w-[54px] border-e border-border/40 bg-[#FAF9F5] dark:bg-[#0E0E0E] flex flex-col items-center justify-between py-5 shrink-0 select-none">
+        <div className="w-[54px] border-e border-border/40 bg-[#FAF9F5] dark:bg-[#0E0E0E] flex flex-col items-center justify-between py-5 shrink-0 select-none overflow-hidden">
 
           {/* Top : Logo + navigation */}
           <div className="flex flex-col items-center gap-[18px] w-full">
@@ -1401,20 +1507,29 @@ export function Sidebar({ className, user }: { className?: string; user?: any })
         <div className="flex-1 h-full flex flex-col overflow-hidden bg-[#FCFCFA] dark:bg-[#111111]">
 
         {/* ── Scrollable content ── */}
-        <div className="flex-1 flex flex-col min-h-0 overflow-y-auto space-y-6 -mx-0 custom-scrollbar pb-4">
+        <div
+          className={cn(
+            'flex-1 flex flex-col min-h-0 -mx-0 pb-4',
+            activeView === 'notebooks'
+              ? 'overflow-hidden'
+              : 'overflow-y-auto custom-scrollbar space-y-6',
+          )}
+        >
 
           <AnimatePresence mode="wait">
             {activeView === 'notebooks' ? (
               <motion.div
                 key="notebooks"
+                ref={notebooksContainerRef}
                 initial={{ opacity: 0, x: isRtl ? 10 : -10 }}
                 animate={{ opacity: 1, x: 0 }}
                 exit={{ opacity: 0, x: isRtl ? -10 : 10 }}
                 transition={{ duration: 0.2 }}
                 className="flex flex-col flex-1 min-h-0 overflow-hidden"
               >
-                <div className="px-4 pt-4 shrink-0">
-                  <div className="flex items-center justify-between mb-4">
+                <div data-sidebar-notebooks-top className="shrink-0">
+                  <div className="px-4 pt-4">
+                    <div className="flex items-center justify-between mb-4">
                     <div className="flex items-center gap-1.5">
                       <BookMarked size={14} className="text-brand-accent" />
                       <h3 className="text-xs font-black tracking-widest uppercase text-ink dark:text-dark-ink">
@@ -1506,48 +1621,54 @@ export function Sidebar({ className, user }: { className?: string; user?: any })
                       </button>
                     )}
                   </div>
+                  </div>
+
+                  <div className="px-4 pb-2">
+                    <button
+                      type="button"
+                      onClick={handleInboxClick}
+                      className={cn('sidebar-inbox-item', isInboxActive && 'active')}
+                    >
+                      <div
+                        className={cn(
+                          'w-8 h-8 rounded-full flex items-center justify-center text-sm font-medium border shrink-0',
+                          isInboxActive
+                            ? 'bg-brand-accent text-white border-brand-accent'
+                            : 'bg-paper dark:bg-white/5 text-muted-ink border-border group-hover:border-brand-accent/20',
+                        )}
+                      >
+                        <Inbox size={14} />
+                      </div>
+                      <span
+                        className={cn(
+                          'text-[13px] font-medium truncate',
+                          isInboxActive ? 'text-ink' : 'text-muted-ink',
+                        )}
+                      >
+                        {t('sidebar.inbox')}
+                      </span>
+                    </button>
+                  </div>
                 </div>
 
-                <div className="flex-1 overflow-y-auto custom-scrollbar min-h-0 px-4 pb-4">
-                  <button
-                    type="button"
-                    onClick={handleInboxClick}
-                    className={cn('sidebar-inbox-item', isInboxActive && 'active')}
-                  >
-                    <div
-                      className={cn(
-                        'w-8 h-8 rounded-full flex items-center justify-center text-sm font-medium border shrink-0',
-                        isInboxActive
-                          ? 'bg-brand-accent text-white border-brand-accent'
-                          : 'bg-paper dark:bg-white/5 text-muted-ink border-border group-hover:border-brand-accent/20',
-                      )}
-                    >
-                      <Inbox size={14} />
-                    </div>
-                    <span
-                      className={cn(
-                        'text-[13px] font-medium truncate',
-                        isInboxActive ? 'text-ink' : 'text-muted-ink',
-                      )}
-                    >
-                      {t('sidebar.inbox')}
-                    </span>
-                  </button>
-
-                  <button
-                    type="button"
-                    onClick={handleDailyNoteClick}
-                    className="sidebar-inbox-item"
-                    title={t('sidebar.dailyNoteTooltip') || "Ouvrir ou créer la note personnelle pour le journal d'aujourd'hui"}
-                  >
-                    <div className="w-8 h-8 rounded-full flex items-center justify-center text-sm font-medium border shrink-0 bg-paper dark:bg-white/5 text-muted-ink border-border">
-                      <CalendarDays size={14} />
-                    </div>
-                    <span className="text-[13px] font-medium truncate text-muted-ink">
-                      {t('sidebar.dailyNote') || 'Note du jour'}
-                    </span>
-                  </button>
+                <div
+                  role="separator"
+                  aria-orientation="horizontal"
+                  aria-label={t('sidebar.resizeNotebooksPanel')}
+                  onPointerDown={handleNotebooksResizeStart}
+                  className="flex shrink-0 h-3 mx-3 cursor-row-resize touch-none items-center justify-center group"
+                >
+                  <div className="h-1 w-10 rounded-full bg-border/70 group-hover:bg-brand-accent/60 group-active:bg-brand-accent transition-colors" />
+                </div>
 
+                <div
+                  ref={notebooksPanelRef}
+                  className={cn(
+                    'overflow-y-auto custom-scrollbar min-h-0 px-4 pb-4 shrink-0',
+                    notebooksPanelHeight === null && 'flex-1',
+                  )}
+                  style={notebooksPanelHeight !== null ? { height: notebooksPanelHeight } : undefined}
+                >
                   <div className="my-3 h-px bg-border/40" />
 
                   {/* Zone de dépôt racine — toujours présente pour éviter tout décalage DOM */}
@@ -1722,6 +1843,17 @@ export function Sidebar({ className, user }: { className?: string; user?: any })
         </div>
 
         </div>{/* fin colonne 2 */}
+
+        {/* Poignée redimensionnement largeur sidebar (bord vers le contenu) */}
+        <div
+          role="separator"
+          aria-orientation="vertical"
+          aria-label={t('sidebar.resizeSidebar')}
+          onPointerDown={handleSidebarWidthResizeStart}
+          className="hidden md:flex absolute inset-y-0 end-0 translate-x-1/2 w-4 cursor-col-resize touch-none z-30 items-center justify-center group"
+        >
+          <div className="h-10 w-1 rounded-full bg-border/80 group-hover:bg-brand-accent/70 group-active:bg-brand-accent transition-colors shadow-sm" />
+        </div>
       </aside>
 
       <CreateNotebookDialog