feat(frontend): refonte mobile planning et ameliorations suivi pedagogique [#NEWTS-4]

Fonction PWA et ajout du responsive design

Planning mobile :
- Nouvelle vue DayView avec bandeau semaine scrollable, date picker natif et navigation integree
- ScheduleNavigation converti en drawer overlay sur mobile, sidebar fixe sur desktop
- Suppression double barre navigation mobile, controles deplaces dans DayView
- Date picker natif via label+input sur mobile

Suivi pedagogique :
- Refactorisation page grades avec composant Table partage
- Colonnes stats par periode, absences, actions (Fiche + Evaluer)
- Lien cliquable sur la classe vers SchoolClassManagement

feat(backend): ajout associated_class_id dans StudentByRFCreationSerializer [#NEWTS-4]

UI global :
- Remplacement fleches texte par icones Lucide ChevronDown/ChevronRight
- Pagination conditionnelle sur tous les tableaux plats
- Layout responsive mobile : cartes separees fond transparent
- Table.js : pagination optionnelle, wrapper md uniquement

Front-End/src/components/ProfileSelector.js

@@ -13,7 +13,7 @@ import {
   BASE_URL,
 } from '@/utils/Url';
 
-const ProfileSelector = ({ onRoleChange, className = '' }) => {
+const ProfileSelector = ({ onRoleChange, className = '', compact = false }) => {
   const {
     establishments,
     selectedRoleId,
@@ -103,50 +103,72 @@ const ProfileSelector = ({ onRoleChange, className = '' }) => {
   // Suppression du tronquage JS, on utilise uniquement CSS
   const isSingleRole = establishments && establishments.length === 1;
 
+  const buttonContent = compact ? (
+    /* Mode compact : avatar seul pour la topbar mobile */
+    <div className="flex items-center gap-1 cursor-pointer px-2 py-1 rounded-md hover:bg-gray-100">
+      <div className="relative">
+        <Image
+          src={selectedEstablishmentLogo ? `${BASE_URL}${selectedEstablishmentLogo}` : getGravatarUrl(user?.email)}
+          alt="Profile"
+          className="w-8 h-8 rounded-full object-cover shadow-md"
+          width={32}
+          height={32}
+        />
+        <div
+          className={`absolute -bottom-0.5 -right-0.5 w-2.5 h-2.5 rounded-full border-2 border-white ${getStatusColor()}`}
+          title={getStatusTitle()}
+        />
+      </div>
+      <ChevronDown
+        className={`w-4 h-4 text-gray-500 transition-transform duration-200 ${dropdownOpen ? 'rotate-180' : 'rotate-0'}`}
+      />
+    </div>
+  ) : (
+    /* Mode normal : avatar + infos texte */
+    <div className="flex items-center gap-2 cursor-pointer px-4 bg-white h-24">
+      <div className="relative">
+        <Image
+          src={selectedEstablishmentLogo ? `${BASE_URL}${selectedEstablishmentLogo}` : getGravatarUrl(user?.email)}
+          alt="Profile"
+          className="w-16 h-16 rounded-full object-cover shadow-md"
+          width={64}
+          height={64}
+        />
+        <div
+          className={`absolute -bottom-0.5 -right-0.5 w-3.5 h-3.5 rounded-full border-2 border-white ${getStatusColor()}`}
+          title={getStatusTitle()}
+        />
+      </div>
+      <div className="flex-1 min-w-0">
+        <div
+          className="font-semibold text-base text-gray-900 text-left truncate max-w-full"
+          title={user?.email}
+        >
+          {user?.email}
+        </div>
+        <div
+          className="font-semibold text-base text-emerald-700 text-left truncate max-w-full"
+          title={selectedEstablishment?.name || ''}
+        >
+          {selectedEstablishment?.name || ''}
+        </div>
+        <div
+          className="italic text-sm text-emerald-600 text-left truncate max-w-full"
+          title={getRightStr(selectedEstablishment?.role_type) || ''}
+        >
+          {getRightStr(selectedEstablishment?.role_type) || ''}
+        </div>
+      </div>
+      <ChevronDown
+        className={`w-5 h-5 transition-transform duration-200 ${dropdownOpen ? 'rotate-180' : 'rotate-0'}`}
+      />
+    </div>
+  );
+
   return (
     <div className={`relative ${className}`}>
       <DropdownMenu
-        buttonContent={
-          <div className="h-16 flex items-center gap-2 cursor-pointer px-4 bg-white h-24">
-            <div className="relative">
-              <Image
-                src={selectedEstablishmentLogo ? `${BASE_URL}${selectedEstablishmentLogo}` : getGravatarUrl(user?.email)}
-                alt="Profile"
-                className="w-16 h-16 rounded-full object-cover shadow-md"
-                width={64}
-                height={64}
-              />
-              {/* Bulle de statut de connexion au chat */}
-              <div
-                className={`absolute -bottom-0.5 -right-0.5 w-3.5 h-3.5  rounded-full border-2 border-white ${getStatusColor()}`}
-                title={getStatusTitle()}
-              />
-            </div>
-            <div className="flex-1 min-w-0">
-              <div
-                className="font-semibold text-base text-gray-900 text-left truncate max-w-full"
-                title={user?.email}
-              >
-                {user?.email}
-              </div>
-              <div
-                className="font-semibold text-base text-emerald-700 text-left truncate max-w-full"
-                title={selectedEstablishment?.name || ''}
-              >
-                {selectedEstablishment?.name || ''}
-              </div>
-              <div
-                className="italic text-sm text-emerald-600 text-left truncate max-w-full"
-                title={getRightStr(selectedEstablishment?.role_type) || ''}
-              >
-                {getRightStr(selectedEstablishment?.role_type) || ''}
-              </div>
-            </div>
-            <ChevronDown
-              className={`w-5 h-5 transition-transform duration-200 ${dropdownOpen ? 'rotate-180' : 'rotate-0'}`}
-            />
-          </div>
-        }
+        buttonContent={buttonContent}
         items={
           isSingleRole
             ? [
@@ -190,7 +212,10 @@ const ProfileSelector = ({ onRoleChange, className = '' }) => {
               ]
         }
         buttonClassName="w-full"
-        menuClassName="absolute mt-2 w-full bg-white border border-gray-200 rounded shadow-lg z-10"
+        menuClassName={compact
+          ? 'absolute right-0 mt-2 min-w-[200px] bg-white border border-gray-200 rounded shadow-lg z-50'
+          : 'absolute mt-2 w-full bg-white border border-gray-200 rounded shadow-lg z-10'
+        }
         dropdownOpen={dropdownOpen}
         setDropdownOpen={setDropdownOpen}
       />