diff --git a/frontend/src/routes/admin/academic-year/periods/+page.svelte b/frontend/src/routes/admin/academic-year/periods/+page.svelte
index 6baa45a..5eece68 100644
--- a/frontend/src/routes/admin/academic-year/periods/+page.svelte
+++ b/frontend/src/routes/admin/academic-year/periods/+page.svelte
@@ -189,7 +189,29 @@
 				);
 			}
 
-			await loadPeriods();
+			const updated = await response.json();
+			if (config) {
+				const updatedPeriod: Period = {
+					sequence: editingPeriod!.sequence,
+					label: updated.label ?? editingPeriod!.label,
+					startDate: updated.startDate ?? editStartDate,
+					endDate: updated.endDate ?? editEndDate,
+					isCurrent: updated.isCurrent ?? editingPeriod!.isCurrent,
+					daysRemaining: updated.daysRemaining ?? editingPeriod!.daysRemaining,
+					isPast: updated.isPast ?? editingPeriod!.isPast
+				};
+				config = {
+					...config,
+					periods: config.periods.map((p) =>
+						p.sequence === editingPeriod!.sequence ? updatedPeriod : p
+					),
+					currentPeriod: updatedPeriod.isCurrent
+						? updatedPeriod
+						: config.currentPeriod?.sequence === editingPeriod!.sequence
+							? null
+							: config.currentPeriod
+				};
+			}
 			closeEditModal();
 		} catch (e) {
 			error = e instanceof Error ? e.message : 'Erreur inconnue';
diff --git a/frontend/src/routes/admin/calendar/+page.svelte b/frontend/src/routes/admin/calendar/+page.svelte
index 2d86ecc..57abe53 100644
--- a/frontend/src/routes/admin/calendar/+page.svelte
+++ b/frontend/src/routes/admin/calendar/+page.svelte
@@ -190,7 +190,27 @@
 				);
 			}
 
-			await loadCalendar();
+			const data = await response.json();
+			const newEntry: CalendarEntry = {
+				id: data.id ?? data['@id'] ?? '',
+				type: data.type ?? 'pedagogical',
+				startDate: data.startDate ?? data.date ?? pedDate,
+				endDate: data.endDate ?? data.date ?? pedDate,
+				label: data.label ?? pedLabel,
+				description: data.description ?? null
+			};
+			if (calendar) {
+				const entries = [...calendar.entries, newEntry].sort((a, b) =>
+					a.startDate.localeCompare(b.startDate)
+				);
+				calendar = { ...calendar, entries };
+			} else {
+				calendar = {
+					academicYearId,
+					zone: null,
+					entries: [newEntry]
+				};
+			}
 			showPedagogicalModal = false;
 			pedDate = '';
 			pedLabel = '';
diff --git a/frontend/src/routes/admin/replacements/+page.svelte b/frontend/src/routes/admin/replacements/+page.svelte
index 527d14f..257962a 100644
--- a/frontend/src/routes/admin/replacements/+page.svelte
+++ b/frontend/src/routes/admin/replacements/+page.svelte
@@ -330,9 +330,15 @@
 				throw new Error(message);
 			}
 
+			replacements = replacements.filter((r) => r.id !== replacementToEnd!.id);
+			totalItems = Math.max(0, totalItems - 1);
+			if (replacements.length === 0 && currentPage > 1) {
+				currentPage -= 1;
+				updateUrl();
+				reloadReplacements();
+			}
 			successMessage = 'Remplacement terminé avec succès';
 			closeEndModal();
-			await reloadReplacements();
 			globalThis.setTimeout(() => {
 				successMessage = null;
 			}, 3000);
diff --git a/frontend/src/routes/admin/users/+page.svelte b/frontend/src/routes/admin/users/+page.svelte
index 0a62cca..99b4fc6 100644
--- a/frontend/src/routes/admin/users/+page.svelte
+++ b/frontend/src/routes/admin/users/+page.svelte
@@ -246,8 +246,17 @@
 				throw new Error(errorMessage);
 			}
 
+			const updated = await response.json().catch(() => null);
+			users = users.map((u) =>
+				u.id === userId
+					? {
+							...u,
+							invitedAt: updated?.invitedAt ?? new Date().toISOString(),
+							invitationExpiree: false
+						}
+					: u
+			);
 			successMessage = 'L\'invitation a été renvoyée avec succès.';
-			await loadUsers();
 		} catch (e) {
 			error = e instanceof Error ? e.message : 'Erreur lors du renvoi';
 		} finally {
@@ -361,9 +370,19 @@
 				throw new Error(errorMessage);
 			}
 
+			const updated = await response.json();
+			users = users.map((u) =>
+				u.id === blockTargetUser!.id
+					? {
+							...u,
+							statut: updated.statut ?? 'suspended',
+							blockedAt: updated.blockedAt ?? new Date().toISOString(),
+							blockedReason: updated.blockedReason ?? blockReason.trim()
+						}
+					: u
+			);
 			successMessage = `L'utilisateur ${blockTargetUser.firstName} ${blockTargetUser.lastName} a été bloqué.`;
 			closeBlockModal();
-			await loadUsers();
 		} catch (e) {
 			error = e instanceof Error ? e.message : 'Erreur lors du blocage';
 		} finally {
@@ -401,8 +420,18 @@
 				throw new Error(errorMessage);
 			}
 
+			const updated = await response.json();
+			users = users.map((u) =>
+				u.id === user.id
+					? {
+							...u,
+							statut: updated.statut ?? 'active',
+							blockedAt: null,
+							blockedReason: null
+						}
+					: u
+			);
 			successMessage = `L'utilisateur ${user.firstName} ${user.lastName} a été débloqué.`;
-			await loadUsers();
 		} catch (e) {
 			error = e instanceof Error ? e.message : 'Erreur lors du déblocage';
 		} finally {
@@ -440,9 +469,12 @@
 			isSavingRoles = true;
 			error = null;
 			await updateUserRoles(rolesTargetUser.id, selectedRoles);
+			const updatedRoles = [...selectedRoles];
+			users = users.map((u) =>
+				u.id === rolesTargetUser!.id ? { ...u, roles: updatedRoles } : u
+			);
 			successMessage = `Les rôles de ${rolesTargetUser.firstName} ${rolesTargetUser.lastName} ont été mis à jour.`;
 			closeRolesModal();
-			await loadUsers();
 		} catch (e) {
 			error = e instanceof Error ? e.message : 'Erreur lors de la mise à jour des rôles';
 		} finally {