feat: add Weekly Check-in feature with models, UI components, and session management for enhanced team collaboration

prisma/migrations/20250115000000_add_weekly_check_in/migration.sql

@@ -0,0 +1,103 @@
+-- CreateEnum
+CREATE TABLE "WeeklyCheckInCategory" (
+    "value" TEXT NOT NULL PRIMARY KEY
+);
+
+-- CreateEnum
+CREATE TABLE "Emotion" (
+    "value" TEXT NOT NULL PRIMARY KEY
+);
+
+-- InsertEnumValues
+INSERT INTO "WeeklyCheckInCategory" ("value") VALUES ('WENT_WELL');
+INSERT INTO "WeeklyCheckInCategory" ("value") VALUES ('WENT_WRONG');
+INSERT INTO "WeeklyCheckInCategory" ("value") VALUES ('CURRENT_FOCUS');
+INSERT INTO "WeeklyCheckInCategory" ("value") VALUES ('NEXT_FOCUS');
+
+-- InsertEnumValues
+INSERT INTO "Emotion" ("value") VALUES ('PRIDE');
+INSERT INTO "Emotion" ("value") VALUES ('JOY');
+INSERT INTO "Emotion" ("value") VALUES ('SATISFACTION');
+INSERT INTO "Emotion" ("value") VALUES ('GRATITUDE');
+INSERT INTO "Emotion" ("value") VALUES ('CONFIDENCE');
+INSERT INTO "Emotion" ("value") VALUES ('FRUSTRATION');
+INSERT INTO "Emotion" ("value") VALUES ('WORRY');
+INSERT INTO "Emotion" ("value") VALUES ('DISAPPOINTMENT');
+INSERT INTO "Emotion" ("value") VALUES ('EXCITEMENT');
+INSERT INTO "Emotion" ("value") VALUES ('ANTICIPATION');
+INSERT INTO "Emotion" ("value") VALUES ('DETERMINATION');
+INSERT INTO "Emotion" ("value") VALUES ('NONE');
+
+-- CreateTable
+CREATE TABLE "WeeklyCheckInSession" (
+    "id" TEXT NOT NULL PRIMARY KEY,
+    "title" TEXT NOT NULL,
+    "participant" TEXT NOT NULL,
+    "date" DATETIME NOT NULL DEFAULT CURRENT_TIMESTAMP,
+    "userId" TEXT NOT NULL,
+    "createdAt" DATETIME NOT NULL DEFAULT CURRENT_TIMESTAMP,
+    "updatedAt" DATETIME NOT NULL,
+    CONSTRAINT "WeeklyCheckInSession_userId_fkey" FOREIGN KEY ("userId") REFERENCES "User" ("id") ON DELETE CASCADE ON UPDATE CASCADE
+);
+
+-- CreateTable
+CREATE TABLE "WeeklyCheckInItem" (
+    "id" TEXT NOT NULL PRIMARY KEY,
+    "content" TEXT NOT NULL,
+    "category" TEXT NOT NULL,
+    "emotion" TEXT NOT NULL DEFAULT 'NONE',
+    "order" INTEGER NOT NULL DEFAULT 0,
+    "sessionId" TEXT NOT NULL,
+    "createdAt" DATETIME NOT NULL DEFAULT CURRENT_TIMESTAMP,
+    "updatedAt" DATETIME NOT NULL,
+    CONSTRAINT "WeeklyCheckInItem_sessionId_fkey" FOREIGN KEY ("sessionId") REFERENCES "WeeklyCheckInSession" ("id") ON DELETE CASCADE ON UPDATE CASCADE,
+    CONSTRAINT "WeeklyCheckInItem_category_fkey" FOREIGN KEY ("category") REFERENCES "WeeklyCheckInCategory" ("value") ON DELETE RESTRICT ON UPDATE CASCADE,
+    CONSTRAINT "WeeklyCheckInItem_emotion_fkey" FOREIGN KEY ("emotion") REFERENCES "Emotion" ("value") ON DELETE RESTRICT ON UPDATE CASCADE
+);
+
+-- CreateTable
+CREATE TABLE "WCISessionShare" (
+    "id" TEXT NOT NULL PRIMARY KEY,
+    "sessionId" TEXT NOT NULL,
+    "userId" TEXT NOT NULL,
+    "role" TEXT NOT NULL DEFAULT 'EDITOR',
+    "createdAt" DATETIME NOT NULL DEFAULT CURRENT_TIMESTAMP,
+    CONSTRAINT "WCISessionShare_sessionId_fkey" FOREIGN KEY ("sessionId") REFERENCES "WeeklyCheckInSession" ("id") ON DELETE CASCADE ON UPDATE CASCADE,
+    CONSTRAINT "WCISessionShare_userId_fkey" FOREIGN KEY ("userId") REFERENCES "User" ("id") ON DELETE CASCADE ON UPDATE CASCADE
+);
+
+-- CreateTable
+CREATE TABLE "WCISessionEvent" (
+    "id" TEXT NOT NULL PRIMARY KEY,
+    "sessionId" TEXT NOT NULL,
+    "userId" TEXT NOT NULL,
+    "type" TEXT NOT NULL,
+    "payload" TEXT NOT NULL,
+    "createdAt" DATETIME NOT NULL DEFAULT CURRENT_TIMESTAMP,
+    CONSTRAINT "WCISessionEvent_sessionId_fkey" FOREIGN KEY ("sessionId") REFERENCES "WeeklyCheckInSession" ("id") ON DELETE CASCADE ON UPDATE CASCADE,
+    CONSTRAINT "WCISessionEvent_userId_fkey" FOREIGN KEY ("userId") REFERENCES "User" ("id") ON DELETE CASCADE ON UPDATE CASCADE
+);
+
+-- CreateIndex
+CREATE INDEX "WeeklyCheckInSession_userId_idx" ON "WeeklyCheckInSession"("userId");
+
+-- CreateIndex
+CREATE INDEX "WeeklyCheckInSession_date_idx" ON "WeeklyCheckInSession"("date");
+
+-- CreateIndex
+CREATE INDEX "WeeklyCheckInItem_sessionId_idx" ON "WeeklyCheckInItem"("sessionId");
+
+-- CreateIndex
+CREATE INDEX "WeeklyCheckInItem_sessionId_category_idx" ON "WeeklyCheckInItem"("sessionId", "category");
+
+-- CreateIndex
+CREATE INDEX "WCISessionShare_sessionId_idx" ON "WCISessionShare"("sessionId");
+
+-- CreateIndex
+CREATE INDEX "WCISessionShare_userId_idx" ON "WCISessionShare"("userId");
+
+-- CreateIndex
+CREATE UNIQUE INDEX "WCISessionShare_sessionId_userId_key" ON "WCISessionShare"("sessionId", "userId");
+
+-- CreateIndex
+CREATE INDEX "WCISessionEvent_sessionId_createdAt_idx" ON "WCISessionEvent"("sessionId", "createdAt");

prisma/schema.prisma

@@ -25,6 +25,10 @@ model User {
   yearReviewSessions      YearReviewSession[]
   sharedYearReviewSessions YRSessionShare[]
   yearReviewSessionEvents  YRSessionEvent[]
+  // Weekly Check-in relations
+  weeklyCheckInSessions      WeeklyCheckInSession[]
+  sharedWeeklyCheckInSessions WCISessionShare[]
+  weeklyCheckInSessionEvents  WCISessionEvent[]
   // Teams & OKRs relations
   createdTeams  Team[]
   teamMembers   TeamMember[]
@@ -365,3 +369,88 @@ model KeyResult {
   @@index([okrId])
   @@index([okrId, order])
 }
+
+// ============================================
+// Weekly Check-in Workshop
+// ============================================
+
+enum WeeklyCheckInCategory {
+  WENT_WELL      // Ce qui s'est bien passé
+  WENT_WRONG     // Ce qui s'est mal passé
+  CURRENT_FOCUS  // Les enjeux du moment (je me concentre sur ...)
+  NEXT_FOCUS     // Les prochains enjeux
+}
+
+enum Emotion {
+  PRIDE         // Fierté
+  JOY           // Joie
+  SATISFACTION  // Satisfaction
+  GRATITUDE     // Gratitude
+  CONFIDENCE    // Confiance
+  FRUSTRATION   // Frustration
+  WORRY         // Inquiétude
+  DISAPPOINTMENT // Déception
+  EXCITEMENT    // Excitement
+  ANTICIPATION  // Anticipation
+  DETERMINATION // Détermination
+  NONE          // Aucune émotion
+}
+
+model WeeklyCheckInSession {
+  id          String              @id @default(cuid())
+  title       String
+  participant String              // Nom du participant
+  date        DateTime            @default(now())
+  userId      String
+  user        User                @relation(fields: [userId], references: [id], onDelete: Cascade)
+  items       WeeklyCheckInItem[]
+  shares      WCISessionShare[]
+  events      WCISessionEvent[]
+  createdAt   DateTime            @default(now())
+  updatedAt   DateTime            @updatedAt
+
+  @@index([userId])
+  @@index([date])
+}
+
+model WeeklyCheckInItem {
+  id          String                @id @default(cuid())
+  content     String
+  category    WeeklyCheckInCategory
+  emotion     Emotion               @default(NONE)
+  order       Int                   @default(0)
+  sessionId   String
+  session     WeeklyCheckInSession  @relation(fields: [sessionId], references: [id], onDelete: Cascade)
+  createdAt   DateTime              @default(now())
+  updatedAt   DateTime              @updatedAt
+
+  @@index([sessionId])
+  @@index([sessionId, category])
+}
+
+model WCISessionShare {
+  id        String              @id @default(cuid())
+  sessionId String
+  session   WeeklyCheckInSession @relation(fields: [sessionId], references: [id], onDelete: Cascade)
+  userId    String
+  user      User                @relation(fields: [userId], references: [id], onDelete: Cascade)
+  role      ShareRole           @default(EDITOR)
+  createdAt DateTime            @default(now())
+
+  @@unique([sessionId, userId])
+  @@index([sessionId])
+  @@index([userId])
+}
+
+model WCISessionEvent {
+  id        String              @id @default(cuid())
+  sessionId String
+  session   WeeklyCheckInSession @relation(fields: [sessionId], references: [id], onDelete: Cascade)
+  userId    String
+  user      User                @relation(fields: [userId], references: [id], onDelete: Cascade)
+  type      String              // ITEM_CREATED, ITEM_UPDATED, ITEM_DELETED, etc.
+  payload   String              // JSON payload
+  createdAt DateTime            @default(now())
+
+  @@index([sessionId, createdAt])
+}

src/actions/weekly-checkin.ts

@@ -0,0 +1,333 @@
+'use server';
+
+import { revalidatePath } from 'next/cache';
+import { auth } from '@/lib/auth';
+import * as weeklyCheckInService from '@/services/weekly-checkin';
+import type { WeeklyCheckInCategory, Emotion } from '@prisma/client';
+
+// ============================================
+// Session Actions
+// ============================================
+
+export async function createWeeklyCheckInSession(data: {
+  title: string;
+  participant: string;
+  date?: Date;
+}) {
+  const session = await auth();
+  if (!session?.user?.id) {
+    return { success: false, error: 'Non autorisé' };
+  }
+
+  try {
+    const weeklyCheckInSession = await weeklyCheckInService.createWeeklyCheckInSession(
+      session.user.id,
+      data
+    );
+    revalidatePath('/weekly-checkin');
+    revalidatePath('/sessions');
+    return { success: true, data: weeklyCheckInSession };
+  } catch (error) {
+    console.error('Error creating weekly check-in session:', error);
+    return { success: false, error: 'Erreur lors de la création' };
+  }
+}
+
+export async function updateWeeklyCheckInSession(
+  sessionId: string,
+  data: { title?: string; participant?: string; date?: Date }
+) {
+  const authSession = await auth();
+  if (!authSession?.user?.id) {
+    return { success: false, error: 'Non autorisé' };
+  }
+
+  try {
+    await weeklyCheckInService.updateWeeklyCheckInSession(sessionId, authSession.user.id, data);
+
+    // Emit event for real-time sync
+    await weeklyCheckInService.createWeeklyCheckInSessionEvent(
+      sessionId,
+      authSession.user.id,
+      'SESSION_UPDATED',
+      data
+    );
+
+    revalidatePath(`/weekly-checkin/${sessionId}`);
+    revalidatePath('/weekly-checkin');
+    revalidatePath('/sessions');
+    return { success: true };
+  } catch (error) {
+    console.error('Error updating weekly check-in session:', error);
+    return { success: false, error: 'Erreur lors de la mise à jour' };
+  }
+}
+
+export async function deleteWeeklyCheckInSession(sessionId: string) {
+  const authSession = await auth();
+  if (!authSession?.user?.id) {
+    return { success: false, error: 'Non autorisé' };
+  }
+
+  try {
+    await weeklyCheckInService.deleteWeeklyCheckInSession(sessionId, authSession.user.id);
+    revalidatePath('/weekly-checkin');
+    revalidatePath('/sessions');
+    return { success: true };
+  } catch (error) {
+    console.error('Error deleting weekly check-in session:', error);
+    return { success: false, error: 'Erreur lors de la suppression' };
+  }
+}
+
+// ============================================
+// Item Actions
+// ============================================
+
+export async function createWeeklyCheckInItem(
+  sessionId: string,
+  data: { content: string; category: WeeklyCheckInCategory; emotion?: Emotion }
+) {
+  const authSession = await auth();
+  if (!authSession?.user?.id) {
+    return { success: false, error: 'Non autorisé' };
+  }
+
+  // Check edit permission
+  const canEdit = await weeklyCheckInService.canEditWeeklyCheckInSession(
+    sessionId,
+    authSession.user.id
+  );
+  if (!canEdit) {
+    return { success: false, error: 'Permission refusée' };
+  }
+
+  try {
+    const item = await weeklyCheckInService.createWeeklyCheckInItem(sessionId, data);
+
+    // Emit event for real-time sync
+    await weeklyCheckInService.createWeeklyCheckInSessionEvent(
+      sessionId,
+      authSession.user.id,
+      'ITEM_CREATED',
+      {
+        itemId: item.id,
+        content: item.content,
+        category: item.category,
+        emotion: item.emotion,
+      }
+    );
+
+    revalidatePath(`/weekly-checkin/${sessionId}`);
+    return { success: true, data: item };
+  } catch (error) {
+    console.error('Error creating weekly check-in item:', error);
+    return { success: false, error: 'Erreur lors de la création' };
+  }
+}
+
+export async function updateWeeklyCheckInItem(
+  itemId: string,
+  sessionId: string,
+  data: { content?: string; category?: WeeklyCheckInCategory; emotion?: Emotion }
+) {
+  const authSession = await auth();
+  if (!authSession?.user?.id) {
+    return { success: false, error: 'Non autorisé' };
+  }
+
+  // Check edit permission
+  const canEdit = await weeklyCheckInService.canEditWeeklyCheckInSession(
+    sessionId,
+    authSession.user.id
+  );
+  if (!canEdit) {
+    return { success: false, error: 'Permission refusée' };
+  }
+
+  try {
+    const item = await weeklyCheckInService.updateWeeklyCheckInItem(itemId, data);
+
+    // Emit event for real-time sync
+    await weeklyCheckInService.createWeeklyCheckInSessionEvent(
+      sessionId,
+      authSession.user.id,
+      'ITEM_UPDATED',
+      {
+        itemId: item.id,
+        ...data,
+      }
+    );
+
+    revalidatePath(`/weekly-checkin/${sessionId}`);
+    return { success: true, data: item };
+  } catch (error) {
+    console.error('Error updating weekly check-in item:', error);
+    return { success: false, error: 'Erreur lors de la mise à jour' };
+  }
+}
+
+export async function deleteWeeklyCheckInItem(itemId: string, sessionId: string) {
+  const authSession = await auth();
+  if (!authSession?.user?.id) {
+    return { success: false, error: 'Non autorisé' };
+  }
+
+  // Check edit permission
+  const canEdit = await weeklyCheckInService.canEditWeeklyCheckInSession(
+    sessionId,
+    authSession.user.id
+  );
+  if (!canEdit) {
+    return { success: false, error: 'Permission refusée' };
+  }
+
+  try {
+    await weeklyCheckInService.deleteWeeklyCheckInItem(itemId);
+
+    // Emit event for real-time sync
+    await weeklyCheckInService.createWeeklyCheckInSessionEvent(
+      sessionId,
+      authSession.user.id,
+      'ITEM_DELETED',
+      { itemId }
+    );
+
+    revalidatePath(`/weekly-checkin/${sessionId}`);
+    return { success: true };
+  } catch (error) {
+    console.error('Error deleting weekly check-in item:', error);
+    return { success: false, error: 'Erreur lors de la suppression' };
+  }
+}
+
+export async function moveWeeklyCheckInItem(
+  itemId: string,
+  sessionId: string,
+  newCategory: WeeklyCheckInCategory,
+  newOrder: number
+) {
+  const authSession = await auth();
+  if (!authSession?.user?.id) {
+    return { success: false, error: 'Non autorisé' };
+  }
+
+  // Check edit permission
+  const canEdit = await weeklyCheckInService.canEditWeeklyCheckInSession(
+    sessionId,
+    authSession.user.id
+  );
+  if (!canEdit) {
+    return { success: false, error: 'Permission refusée' };
+  }
+
+  try {
+    await weeklyCheckInService.moveWeeklyCheckInItem(itemId, newCategory, newOrder);
+
+    // Emit event for real-time sync
+    await weeklyCheckInService.createWeeklyCheckInSessionEvent(
+      sessionId,
+      authSession.user.id,
+      'ITEM_MOVED',
+      {
+        itemId,
+        category: newCategory,
+        order: newOrder,
+      }
+    );
+
+    revalidatePath(`/weekly-checkin/${sessionId}`);
+    return { success: true };
+  } catch (error) {
+    console.error('Error moving weekly check-in item:', error);
+    return { success: false, error: 'Erreur lors du déplacement' };
+  }
+}
+
+export async function reorderWeeklyCheckInItems(
+  sessionId: string,
+  category: WeeklyCheckInCategory,
+  itemIds: string[]
+) {
+  const authSession = await auth();
+  if (!authSession?.user?.id) {
+    return { success: false, error: 'Non autorisé' };
+  }
+
+  // Check edit permission
+  const canEdit = await weeklyCheckInService.canEditWeeklyCheckInSession(
+    sessionId,
+    authSession.user.id
+  );
+  if (!canEdit) {
+    return { success: false, error: 'Permission refusée' };
+  }
+
+  try {
+    await weeklyCheckInService.reorderWeeklyCheckInItems(sessionId, category, itemIds);
+
+    // Emit event for real-time sync
+    await weeklyCheckInService.createWeeklyCheckInSessionEvent(
+      sessionId,
+      authSession.user.id,
+      'ITEMS_REORDERED',
+      { category, itemIds }
+    );
+
+    revalidatePath(`/weekly-checkin/${sessionId}`);
+    return { success: true };
+  } catch (error) {
+    console.error('Error reordering weekly check-in items:', error);
+    return { success: false, error: 'Erreur lors du réordonnancement' };
+  }
+}
+
+// ============================================
+// Sharing Actions
+// ============================================
+
+export async function shareWeeklyCheckInSession(
+  sessionId: string,
+  targetEmail: string,
+  role: 'VIEWER' | 'EDITOR' = 'EDITOR'
+) {
+  const authSession = await auth();
+  if (!authSession?.user?.id) {
+    return { success: false, error: 'Non autorisé' };
+  }
+
+  try {
+    const share = await weeklyCheckInService.shareWeeklyCheckInSession(
+      sessionId,
+      authSession.user.id,
+      targetEmail,
+      role
+    );
+    revalidatePath(`/weekly-checkin/${sessionId}`);
+    return { success: true, data: share };
+  } catch (error) {
+    console.error('Error sharing weekly check-in session:', error);
+    const message = error instanceof Error ? error.message : 'Erreur lors du partage';
+    return { success: false, error: message };
+  }
+}
+
+export async function removeWeeklyCheckInShare(sessionId: string, shareUserId: string) {
+  const authSession = await auth();
+  if (!authSession?.user?.id) {
+    return { success: false, error: 'Non autorisé' };
+  }
+
+  try {
+    await weeklyCheckInService.removeWeeklyCheckInShare(
+      sessionId,
+      authSession.user.id,
+      shareUserId
+    );
+    revalidatePath(`/weekly-checkin/${sessionId}`);
+    return { success: true };
+  } catch (error) {
+    console.error('Error removing weekly check-in share:', error);
+    return { success: false, error: 'Erreur lors de la suppression du partage' };
+  }
+}

src/app/api/weekly-checkin/[id]/subscribe/route.ts

@@ -0,0 +1,122 @@
+import { auth } from '@/lib/auth';
+import {
+  canAccessWeeklyCheckInSession,
+  getWeeklyCheckInSessionEvents,
+} from '@/services/weekly-checkin';
+
+export const dynamic = 'force-dynamic';
+
+// Store active connections per session
+const connections = new Map<string, Set<ReadableStreamDefaultController>>();
+
+export async function GET(request: Request, { params }: { params: Promise<{ id: string }> }) {
+  const { id: sessionId } = await params;
+  const session = await auth();
+
+  if (!session?.user?.id) {
+    return new Response('Unauthorized', { status: 401 });
+  }
+
+  // Check access
+  const hasAccess = await canAccessWeeklyCheckInSession(sessionId, session.user.id);
+  if (!hasAccess) {
+    return new Response('Forbidden', { status: 403 });
+  }
+
+  const userId = session.user.id;
+  let lastEventTime = new Date();
+  let controller: ReadableStreamDefaultController;
+
+  const stream = new ReadableStream({
+    start(ctrl) {
+      controller = ctrl;
+
+      // Register connection
+      if (!connections.has(sessionId)) {
+        connections.set(sessionId, new Set());
+      }
+      connections.get(sessionId)!.add(controller);
+
+      // Send initial ping
+      const encoder = new TextEncoder();
+      controller.enqueue(
+        encoder.encode(`data: ${JSON.stringify({ type: 'connected', userId })}\n\n`)
+      );
+    },
+    cancel() {
+      // Remove connection on close
+      connections.get(sessionId)?.delete(controller);
+      if (connections.get(sessionId)?.size === 0) {
+        connections.delete(sessionId);
+      }
+    },
+  });
+
+  // Poll for new events (simple approach, works with any DB)
+  const pollInterval = setInterval(async () => {
+    try {
+      const events = await getWeeklyCheckInSessionEvents(sessionId, lastEventTime);
+      if (events.length > 0) {
+        const encoder = new TextEncoder();
+        for (const event of events) {
+          // Don't send events to the user who created them
+          if (event.userId !== userId) {
+            controller.enqueue(
+              encoder.encode(
+                `data: ${JSON.stringify({
+                  type: event.type,
+                  payload: JSON.parse(event.payload),
+                  userId: event.userId,
+                  user: event.user,
+                  timestamp: event.createdAt,
+                })}\n\n`
+              )
+            );
+          }
+          lastEventTime = event.createdAt;
+        }
+      }
+    } catch {
+      // Connection might be closed
+      clearInterval(pollInterval);
+    }
+  }, 1000); // Poll every second
+
+  // Cleanup on abort
+  request.signal.addEventListener('abort', () => {
+    clearInterval(pollInterval);
+  });
+
+  return new Response(stream, {
+    headers: {
+      'Content-Type': 'text/event-stream',
+      'Cache-Control': 'no-cache',
+      Connection: 'keep-alive',
+    },
+  });
+}
+
+// Helper to broadcast to all connections (called from actions)
+export function broadcastToWeeklyCheckInSession(sessionId: string, event: object) {
+  const sessionConnections = connections.get(sessionId);
+  if (!sessionConnections || sessionConnections.size === 0) {
+    return;
+  }
+
+  const encoder = new TextEncoder();
+  const message = encoder.encode(`data: ${JSON.stringify(event)}\n\n`);
+
+  for (const controller of sessionConnections) {
+    try {
+      controller.enqueue(message);
+    } catch {
+      // Connection might be closed, remove it
+      sessionConnections.delete(controller);
+    }
+  }
+
+  // Clean up empty sets
+  if (sessionConnections.size === 0) {
+    connections.delete(sessionId);
+  }
+}

src/app/page.tsx

@@ -68,6 +68,22 @@ export default function Home() {
               accentColor="#f59e0b"
               newHref="/year-review/new"
             />
+
+            {/* Weekly Check-in Workshop Card */}
+            <WorkshopCard
+              href="/sessions?tab=weekly-checkin"
+              icon="📝"
+              title="Weekly Check-in"
+              tagline="Le point hebdomadaire avec vos collaborateurs"
+              description="Chaque semaine, faites le point avec vos collaborateurs sur ce qui s'est bien passé, ce qui s'est mal passé, les enjeux du moment et les prochains enjeux."
+              features={[
+                '4 catégories : Bien passé, Mal passé, Enjeux du moment, Prochains enjeux',
+                'Ajout d\'émotions à chaque item (fierté, joie, frustration, etc.)',
+                'Suivi hebdomadaire régulier',
+              ]}
+              accentColor="#10b981"
+              newHref="/weekly-checkin/new"
+            />
           </div>
         </section>
 
@@ -355,6 +371,94 @@ export default function Home() {
           </div>
         </section>
 
+        {/* Weekly Check-in Deep Dive Section */}
+        <section className="mb-16">
+          <div className="flex items-center gap-3 mb-8">
+            <span className="text-4xl">📝</span>
+            <div>
+              <h2 className="text-3xl font-bold text-foreground">Weekly Check-in</h2>
+              <p className="text-green-500 font-medium">Le point hebdomadaire avec vos collaborateurs</p>
+            </div>
+          </div>
+
+          <div className="grid gap-8 lg:grid-cols-2">
+            {/* Why */}
+            <div className="rounded-xl border border-border bg-card p-6">
+              <h3 className="text-lg font-semibold text-foreground mb-4 flex items-center gap-2">
+                <span className="text-2xl">💡</span>
+                Pourquoi faire un check-in hebdomadaire ?
+              </h3>
+              <p className="text-muted mb-4">
+                Le Weekly Check-in est un rituel de management qui permet de maintenir un lien régulier
+                avec vos collaborateurs. Il favorise la communication, l&apos;alignement et la détection
+                précoce des problèmes ou opportunités.
+              </p>
+              <ul className="space-y-2 text-sm text-muted">
+                <li className="flex items-start gap-2">
+                  <span className="text-green-500">•</span>
+                  Maintenir un suivi régulier et structuré avec chaque collaborateur
+                </li>
+                <li className="flex items-start gap-2">
+                  <span className="text-green-500">•</span>
+                  Identifier rapidement les points positifs et les difficultés rencontrées
+                </li>
+                <li className="flex items-start gap-2">
+                  <span className="text-green-500">•</span>
+                  Comprendre les priorités et enjeux du moment pour mieux accompagner
+                </li>
+                <li className="flex items-start gap-2">
+                  <span className="text-green-500">•</span>
+                  Créer un espace d&apos;échange ouvert où les émotions peuvent être exprimées
+                </li>
+              </ul>
+            </div>
+
+            {/* The 4 categories */}
+            <div className="rounded-xl border border-border bg-card p-6">
+              <h3 className="text-lg font-semibold text-foreground mb-4 flex items-center gap-2">
+                <span className="text-2xl">📋</span>
+                Les 4 catégories du check-in
+              </h3>
+              <div className="space-y-3">
+                <CategoryPill icon="✅" name="Ce qui s'est bien passé" color="#22c55e" description="Les réussites et points positifs" />
+                <CategoryPill icon="⚠️" name="Ce qui s'est mal passé" color="#ef4444" description="Les difficultés et points d'amélioration" />
+                <CategoryPill icon="🎯" name="Enjeux du moment" color="#3b82f6" description="Sur quoi je me concentre actuellement" />
+                <CategoryPill icon="🚀" name="Prochains enjeux" color="#8b5cf6" description="Ce sur quoi je vais me concentrer prochainement" />
+              </div>
+            </div>
+
+            {/* How it works */}
+            <div className="rounded-xl border border-border bg-card p-6 lg:col-span-2">
+              <h3 className="text-lg font-semibold text-foreground mb-4 flex items-center gap-2">
+                <span className="text-2xl">⚙️</span>
+                Comment ça marche ?
+              </h3>
+              <div className="grid md:grid-cols-4 gap-4">
+                <StepCard
+                  number={1}
+                  title="Créer le check-in"
+                  description="Créez un nouveau check-in pour la semaine avec votre collaborateur"
+                />
+                <StepCard
+                  number={2}
+                  title="Remplir les catégories"
+                  description="Pour chaque catégorie, ajoutez les éléments pertinents de la semaine"
+                />
+                <StepCard
+                  number={3}
+                  title="Ajouter des émotions"
+                  description="Associez une émotion à chaque item pour mieux exprimer votre ressenti"
+                />
+                <StepCard
+                  number={4}
+                  title="Partager et discuter"
+                  description="Partagez le check-in avec votre collaborateur pour un échange constructif"
+                />
+              </div>
+            </div>
+          </div>
+        </section>
+
         {/* OKRs Deep Dive Section */}
         <section className="mb-16">
           <div className="flex items-center gap-3 mb-8">

src/app/sessions/WorkshopTabs.tsx

@@ -15,10 +15,18 @@ import {
 import { deleteSwotSession, updateSwotSession } from '@/actions/session';
 import { deleteMotivatorSession, updateMotivatorSession } from '@/actions/moving-motivators';
 import { deleteYearReviewSession, updateYearReviewSession } from '@/actions/year-review';
+import { deleteWeeklyCheckInSession, updateWeeklyCheckInSession } from '@/actions/weekly-checkin';
 
-type WorkshopType = 'all' | 'swot' | 'motivators' | 'year-review' | 'byPerson';
+type WorkshopType = 'all' | 'swot' | 'motivators' | 'year-review' | 'weekly-checkin' | 'byPerson';
 
-const VALID_TABS: WorkshopType[] = ['all', 'swot', 'motivators', 'year-review', 'byPerson'];
+const VALID_TABS: WorkshopType[] = [
+  'all',
+  'swot',
+  'motivators',
+  'year-review',
+  'weekly-checkin',
+  'byPerson',
+];
 
 interface ShareUser {
   id: string;
@@ -84,12 +92,28 @@ interface YearReviewSession {
   workshopType: 'year-review';
 }
 
-type AnySession = SwotSession | MotivatorSession | YearReviewSession;
+interface WeeklyCheckInSession {
+  id: string;
+  title: string;
+  participant: string;
+  resolvedParticipant: ResolvedCollaborator;
+  date: Date;
+  updatedAt: Date;
+  isOwner: boolean;
+  role: 'OWNER' | 'VIEWER' | 'EDITOR';
+  user: { id: string; name: string | null; email: string };
+  shares: Share[];
+  _count: { items: number };
+  workshopType: 'weekly-checkin';
+}
+
+type AnySession = SwotSession | MotivatorSession | YearReviewSession | WeeklyCheckInSession;
 
 interface WorkshopTabsProps {
   swotSessions: SwotSession[];
   motivatorSessions: MotivatorSession[];
   yearReviewSessions: YearReviewSession[];
+  weeklyCheckInSessions: WeeklyCheckInSession[];
 }
 
 // Helper to get resolved collaborator from any session
@@ -98,6 +122,8 @@ function getResolvedCollaborator(session: AnySession): ResolvedCollaborator {
     return (session as SwotSession).resolvedCollaborator;
   } else if (session.workshopType === 'year-review') {
     return (session as YearReviewSession).resolvedParticipant;
+  } else if (session.workshopType === 'weekly-checkin') {
+    return (session as WeeklyCheckInSession).resolvedParticipant;
   } else {
     return (session as MotivatorSession).resolvedParticipant;
   }
@@ -141,6 +167,7 @@ export function WorkshopTabs({
   swotSessions,
   motivatorSessions,
   yearReviewSessions,
+  weeklyCheckInSessions,
 }: WorkshopTabsProps) {
   const searchParams = useSearchParams();
   const router = useRouter();
@@ -165,6 +192,7 @@ export function WorkshopTabs({
     ...swotSessions,
     ...motivatorSessions,
     ...yearReviewSessions,
+    ...weeklyCheckInSessions,
   ].sort((a, b) => new Date(b.updatedAt).getTime() - new Date(a.updatedAt).getTime());
 
   // Filter based on active tab (for non-byPerson tabs)
@@ -175,7 +203,9 @@ export function WorkshopTabs({
         ? swotSessions
         : activeTab === 'motivators'
           ? motivatorSessions
-          : yearReviewSessions;
+          : activeTab === 'year-review'
+            ? yearReviewSessions
+            : weeklyCheckInSessions;
 
   // Separate by ownership
   const ownedSessions = filteredSessions.filter((s) => s.isOwner);
@@ -226,6 +256,13 @@ export function WorkshopTabs({
           label="Year Review"
           count={yearReviewSessions.length}
         />
+        <TabButton
+          active={activeTab === 'weekly-checkin'}
+          onClick={() => setActiveTab('weekly-checkin')}
+          icon="📝"
+          label="Weekly Check-in"
+          count={weeklyCheckInSessions.length}
+        />
       </div>
 
       {/* Sessions */}
@@ -343,18 +380,29 @@ function SessionCard({ session }: { session: AnySession }) {
 
   const isSwot = session.workshopType === 'swot';
   const isYearReview = session.workshopType === 'year-review';
+  const isWeeklyCheckIn = session.workshopType === 'weekly-checkin';
   const href = isSwot
     ? `/sessions/${session.id}`
     : isYearReview
       ? `/year-review/${session.id}`
-      : `/motivators/${session.id}`;
+      : isWeeklyCheckIn
-  const icon = isSwot ? '📊' : isYearReview ? '📅' : '🎯';
+        ? `/weekly-checkin/${session.id}`
+        : `/motivators/${session.id}`;
+  const icon = isSwot ? '📊' : isYearReview ? '📅' : isWeeklyCheckIn ? '📝' : '🎯';
   const participant = isSwot
     ? (session as SwotSession).collaborator
     : isYearReview
       ? (session as YearReviewSession).participant
-      : (session as MotivatorSession).participant;
+      : isWeeklyCheckIn
-  const accentColor = isSwot ? '#06b6d4' : isYearReview ? '#f59e0b' : '#8b5cf6';
+        ? (session as WeeklyCheckInSession).participant
+        : (session as MotivatorSession).participant;
+  const accentColor = isSwot
+    ? '#06b6d4'
+    : isYearReview
+      ? '#f59e0b'
+      : isWeeklyCheckIn
+        ? '#10b981'
+        : '#8b5cf6';
 
   const handleDelete = () => {
     startTransition(async () => {
@@ -362,7 +410,9 @@ function SessionCard({ session }: { session: AnySession }) {
         ? await deleteSwotSession(session.id)
         : isYearReview
           ? await deleteYearReviewSession(session.id)
-          : await deleteMotivatorSession(session.id);
+          : isWeeklyCheckIn
+            ? await deleteWeeklyCheckInSession(session.id)
+            : await deleteMotivatorSession(session.id);
 
       if (result.success) {
         setShowDeleteModal(false);
@@ -381,10 +431,15 @@ function SessionCard({ session }: { session: AnySession }) {
               title: editTitle,
               participant: editParticipant,
             })
-          : await updateMotivatorSession(session.id, {
+          : isWeeklyCheckIn
-              title: editTitle,
+            ? await updateWeeklyCheckInSession(session.id, {
-              participant: editParticipant,
+                title: editTitle,
-            });
+                participant: editParticipant,
+              })
+            : await updateMotivatorSession(session.id, {
+                title: editTitle,
+                participant: editParticipant,
+              });
 
       if (result.success) {
         setShowEditModal(false);
@@ -401,6 +456,8 @@ function SessionCard({ session }: { session: AnySession }) {
     setShowEditModal(true);
   };
 
+  const editParticipantLabel = isSwot ? 'Collaborateur' : 'Participant';
+
   return (
     <>
       <div className="relative group">
@@ -456,6 +513,17 @@ function SessionCard({ session }: { session: AnySession }) {
                     <span>·</span>
                     <span>Année {(session as YearReviewSession).year}</span>
                   </>
+                ) : isWeeklyCheckIn ? (
+                  <>
+                    <span>{(session as WeeklyCheckInSession)._count.items} items</span>
+                    <span>·</span>
+                    <span>
+                      {new Date((session as WeeklyCheckInSession).date).toLocaleDateString('fr-FR', {
+                        day: 'numeric',
+                        month: 'short',
+                      })}
+                    </span>
+                  </>
                 ) : (
                   <span>{(session as MotivatorSession)._count.cards}/10</span>
                 )}
@@ -570,7 +638,7 @@ function SessionCard({ session }: { session: AnySession }) {
               htmlFor="edit-participant"
               className="block text-sm font-medium text-foreground mb-1"
             >
-              {isSwot ? 'Collaborateur' : 'Participant'}
+              {editParticipantLabel}
             </label>
             <Input
               id="edit-participant"

src/app/sessions/page.tsx

@@ -4,6 +4,7 @@ import { auth } from '@/lib/auth';
 import { getSessionsByUserId } from '@/services/sessions';
 import { getMotivatorSessionsByUserId } from '@/services/moving-motivators';
 import { getYearReviewSessionsByUserId } from '@/services/year-review';
+import { getWeeklyCheckInSessionsByUserId } from '@/services/weekly-checkin';
 import { Card, Button } from '@/components/ui';
 import { WorkshopTabs } from './WorkshopTabs';
 
@@ -33,12 +34,14 @@ export default async function SessionsPage() {
     return null;
   }
 
-  // Fetch SWOT, Moving Motivators, and Year Review sessions
+  // Fetch SWOT, Moving Motivators, Year Review, and Weekly Check-in sessions
-  const [swotSessions, motivatorSessions, yearReviewSessions] = await Promise.all([
+  const [swotSessions, motivatorSessions, yearReviewSessions, weeklyCheckInSessions] =
-    getSessionsByUserId(session.user.id),
+    await Promise.all([
-    getMotivatorSessionsByUserId(session.user.id),
+      getSessionsByUserId(session.user.id),
-    getYearReviewSessionsByUserId(session.user.id),
+      getMotivatorSessionsByUserId(session.user.id),
-  ]);
+      getYearReviewSessionsByUserId(session.user.id),
+      getWeeklyCheckInSessionsByUserId(session.user.id),
+    ]);
 
   // Add type to each session for unified display
   const allSwotSessions = swotSessions.map((s) => ({
@@ -56,11 +59,17 @@ export default async function SessionsPage() {
     workshopType: 'year-review' as const,
   }));
 
+  const allWeeklyCheckInSessions = weeklyCheckInSessions.map((s) => ({
+    ...s,
+    workshopType: 'weekly-checkin' as const,
+  }));
+
   // Combine and sort by updatedAt
   const allSessions = [
     ...allSwotSessions,
     ...allMotivatorSessions,
     ...allYearReviewSessions,
+    ...allWeeklyCheckInSessions,
   ].sort((a, b) => new Date(b.updatedAt).getTime() - new Date(a.updatedAt).getTime());
 
   const hasNoSessions = allSessions.length === 0;
@@ -87,11 +96,17 @@ export default async function SessionsPage() {
             </Button>
           </Link>
           <Link href="/year-review/new">
-            <Button>
+            <Button variant="outline">
               <span>📅</span>
               Nouveau Year Review
             </Button>
           </Link>
+          <Link href="/weekly-checkin/new">
+            <Button>
+              <span>📝</span>
+              Nouveau Check-in
+            </Button>
+          </Link>
         </div>
       </div>
 
@@ -104,9 +119,10 @@ export default async function SessionsPage() {
           </h2>
           <p className="text-muted mb-6 max-w-md mx-auto">
             Créez un atelier SWOT pour analyser les forces et faiblesses, un Moving Motivators pour
-            découvrir les motivations, ou un Year Review pour faire le bilan de l&apos;année.
+            découvrir les motivations, un Year Review pour faire le bilan de l&apos;année, ou un
+            Weekly Check-in pour le suivi hebdomadaire.
           </p>
-          <div className="flex gap-3 justify-center">
+          <div className="flex gap-3 justify-center flex-wrap">
             <Link href="/sessions/new">
               <Button variant="outline">
                 <span>📊</span>
@@ -120,11 +136,17 @@ export default async function SessionsPage() {
               </Button>
             </Link>
             <Link href="/year-review/new">
-              <Button>
+              <Button variant="outline">
                 <span>📅</span>
                 Créer un Year Review
               </Button>
             </Link>
+            <Link href="/weekly-checkin/new">
+              <Button>
+                <span>📝</span>
+                Créer un Check-in
+              </Button>
+            </Link>
           </div>
         </Card>
       ) : (
@@ -133,6 +155,7 @@ export default async function SessionsPage() {
             swotSessions={allSwotSessions}
             motivatorSessions={allMotivatorSessions}
             yearReviewSessions={allYearReviewSessions}
+            weeklyCheckInSessions={allWeeklyCheckInSessions}
           />
         </Suspense>
       )}

src/app/weekly-checkin/[id]/page.tsx

@@ -0,0 +1,101 @@
+import { notFound } from 'next/navigation';
+import Link from 'next/link';
+import { auth } from '@/lib/auth';
+import { getWeeklyCheckInSessionById } from '@/services/weekly-checkin';
+import { getUserOKRsForPeriod } from '@/services/okrs';
+import { getCurrentQuarterPeriod } from '@/lib/okr-utils';
+import { WeeklyCheckInBoard, WeeklyCheckInLiveWrapper } from '@/components/weekly-checkin';
+import { CurrentQuarterOKRs } from '@/components/weekly-checkin/CurrentQuarterOKRs';
+import { Badge, CollaboratorDisplay } from '@/components/ui';
+import { EditableWeeklyCheckInTitle } from '@/components/ui';
+
+interface WeeklyCheckInSessionPageProps {
+  params: Promise<{ id: string }>;
+}
+
+export default async function WeeklyCheckInSessionPage({ params }: WeeklyCheckInSessionPageProps) {
+  const { id } = await params;
+  const authSession = await auth();
+
+  if (!authSession?.user?.id) {
+    return null;
+  }
+
+  const session = await getWeeklyCheckInSessionById(id, authSession.user.id);
+
+  if (!session) {
+    notFound();
+  }
+
+  // Get current quarter OKRs for the participant (NOT the creator)
+  // We use session.resolvedParticipant.matchedUser.id which is the participant's user ID
+  const currentQuarterPeriod = getCurrentQuarterPeriod(session.date);
+  let currentQuarterOKRs: Awaited<ReturnType<typeof getUserOKRsForPeriod>> = [];
+  
+  // Only fetch OKRs if the participant is a recognized user (has matchedUser)
+  if (session.resolvedParticipant.matchedUser) {
+    // Use participant's ID, not session.userId (which is the creator's ID)
+    const participantUserId = session.resolvedParticipant.matchedUser.id;
+    currentQuarterOKRs = await getUserOKRsForPeriod(participantUserId, currentQuarterPeriod);
+  }
+
+  return (
+    <main className="mx-auto max-w-7xl px-4 py-8">
+      {/* Header */}
+      <div className="mb-8">
+        <div className="flex items-center gap-2 text-sm text-muted mb-2">
+          <Link href="/sessions?tab=weekly-checkin" className="hover:text-foreground">
+            Weekly Check-in
+          </Link>
+          <span>/</span>
+          <span className="text-foreground">{session.title}</span>
+          {!session.isOwner && (
+            <Badge variant="accent" className="ml-2">
+              Partagé par {session.user.name || session.user.email}
+            </Badge>
+          )}
+        </div>
+
+        <div className="flex items-start justify-between">
+          <div>
+            <EditableWeeklyCheckInTitle
+              sessionId={session.id}
+              initialTitle={session.title}
+              isOwner={session.isOwner}
+            />
+            <div className="mt-2">
+              <CollaboratorDisplay collaborator={session.resolvedParticipant} size="lg" showEmail />
+            </div>
+          </div>
+          <div className="flex items-center gap-3">
+            <Badge variant="primary">{session.items.length} items</Badge>
+            <span className="text-sm text-muted">
+              {new Date(session.date).toLocaleDateString('fr-FR', {
+                day: 'numeric',
+                month: 'long',
+                year: 'numeric',
+              })}
+            </span>
+          </div>
+        </div>
+      </div>
+
+      {/* Current Quarter OKRs */}
+      {currentQuarterOKRs.length > 0 && (
+        <CurrentQuarterOKRs okrs={currentQuarterOKRs} period={currentQuarterPeriod} />
+      )}
+
+      {/* Live Wrapper + Board */}
+      <WeeklyCheckInLiveWrapper
+        sessionId={session.id}
+        sessionTitle={session.title}
+        currentUserId={authSession.user.id}
+        shares={session.shares}
+        isOwner={session.isOwner}
+        canEdit={session.canEdit}
+      >
+        <WeeklyCheckInBoard sessionId={session.id} items={session.items} />
+      </WeeklyCheckInLiveWrapper>
+    </main>
+  );
+}

src/app/weekly-checkin/new/page.tsx

@@ -0,0 +1,146 @@
+'use client';
+
+import { useState } from 'react';
+import { useRouter } from 'next/navigation';
+import {
+  Card,
+  CardHeader,
+  CardTitle,
+  CardDescription,
+  CardContent,
+  Button,
+  Input,
+} from '@/components/ui';
+import { createWeeklyCheckInSession } from '@/actions/weekly-checkin';
+
+export default function NewWeeklyCheckInPage() {
+  const router = useRouter();
+  const [loading, setLoading] = useState(false);
+  const [error, setError] = useState<string | null>(null);
+
+  async function handleSubmit(e: React.FormEvent<HTMLFormElement>) {
+    e.preventDefault();
+    setError(null);
+    setLoading(true);
+
+    const formData = new FormData(e.currentTarget);
+    const title = formData.get('title') as string;
+    const participant = formData.get('participant') as string;
+    const dateStr = formData.get('date') as string;
+    const date = dateStr ? new Date(dateStr) : undefined;
+
+    if (!title || !participant) {
+      setError('Veuillez remplir tous les champs');
+      setLoading(false);
+      return;
+    }
+
+    const result = await createWeeklyCheckInSession({ title, participant, date });
+
+    if (!result.success) {
+      setError(result.error || 'Une erreur est survenue');
+      setLoading(false);
+      return;
+    }
+
+    router.push(`/weekly-checkin/${result.data?.id}`);
+  }
+
+  // Default date to today
+  const today = new Date().toISOString().split('T')[0];
+
+  return (
+    <main className="mx-auto max-w-2xl px-4 py-8">
+      <Card>
+        <CardHeader>
+          <CardTitle className="flex items-center gap-2">
+            <span>📝</span>
+            Nouveau Check-in Hebdomadaire
+          </CardTitle>
+          <CardDescription>
+            Créez un check-in hebdomadaire pour faire le point sur la semaine avec votre
+            collaborateur
+          </CardDescription>
+        </CardHeader>
+
+        <CardContent>
+          <form onSubmit={handleSubmit} className="space-y-6">
+            {error && (
+              <div className="rounded-lg border border-destructive/20 bg-destructive/10 p-3 text-sm text-destructive">
+                {error}
+              </div>
+            )}
+
+            <Input
+              label="Titre du check-in"
+              name="title"
+              placeholder="Ex: Check-in semaine du 15 janvier"
+              required
+            />
+
+            <Input
+              label="Nom du collaborateur"
+              name="participant"
+              placeholder="Ex: Jean Dupont"
+              required
+            />
+
+            <div>
+              <label htmlFor="date" className="block text-sm font-medium text-foreground mb-1">
+                Date du check-in
+              </label>
+              <input
+                id="date"
+                name="date"
+                type="date"
+                defaultValue={today}
+                required
+                className="w-full rounded-lg border border-border bg-input px-3 py-2 text-foreground outline-none focus:border-primary focus:ring-2 focus:ring-primary/20"
+              />
+            </div>
+
+            <div className="rounded-lg border border-border bg-card-hover p-4">
+              <h3 className="font-medium text-foreground mb-2">Comment ça marche ?</h3>
+              <ol className="text-sm text-muted space-y-1 list-decimal list-inside">
+                <li>
+                  <strong>Ce qui s&apos;est bien passé</strong> : Notez les réussites et points
+                  positifs de la semaine
+                </li>
+                <li>
+                  <strong>Ce qui s&apos;est mal passé</strong> : Identifiez les difficultés et
+                  points d&apos;amélioration
+                </li>
+                <li>
+                  <strong>Enjeux du moment</strong> : Décrivez sur quoi vous vous concentrez
+                  actuellement
+                </li>
+                <li>
+                  <strong>Prochains enjeux</strong> : Définissez ce sur quoi vous allez vous
+                  concentrer prochainement
+                </li>
+              </ol>
+              <p className="text-sm text-muted mt-2">
+                💡 <strong>Astuce</strong> : Ajoutez une émotion à chaque item pour mieux exprimer
+                votre ressenti (fierté, joie, frustration, etc.)
+              </p>
+            </div>
+
+            <div className="flex gap-3 pt-4">
+              <Button
+                type="button"
+                variant="outline"
+                onClick={() => router.back()}
+                disabled={loading}
+              >
+                Annuler
+              </Button>
+              <Button type="submit" loading={loading} className="flex-1">
+                Créer le check-in
+              </Button>
+            </div>
+          </form>
+        </CardContent>
+      </Card>
+    </main>
+  );
+}

src/components/okrs/index.ts

@@ -3,4 +3,3 @@ export { OKRForm } from './OKRForm';
 export { KeyResultItem } from './KeyResultItem';
 export { OKRsList } from './OKRsList';
 export { ObjectivesList } from './ObjectivesList';
-

src/components/swot/index.ts

@@ -2,4 +2,4 @@ export { SwotBoard } from './SwotBoard';
 export { SwotQuadrant } from './SwotQuadrant';
 export { SwotCard } from './SwotCard';
 export { ActionPanel } from './ActionPanel';
-export { QuadrantHelp } from './QuadrantHelp';
+export { QuadrantHelp, QuadrantHelpPanel } from './QuadrantHelp';

src/components/teams/index.ts

@@ -1,5 +1,5 @@
 export { TeamCard } from './TeamCard';
+export { TeamDetailClient } from './TeamDetailClient';
 export { MembersList } from './MembersList';
 export { AddMemberModal } from './AddMemberModal';
 export { DeleteTeamButton } from './DeleteTeamButton';
-

src/components/ui/EditableWeeklyCheckInTitle.tsx

@@ -0,0 +1,28 @@
+'use client';
+
+import { EditableTitle } from './EditableTitle';
+import { updateWeeklyCheckInSession } from '@/actions/weekly-checkin';
+
+interface EditableWeeklyCheckInTitleProps {
+  sessionId: string;
+  initialTitle: string;
+  isOwner: boolean;
+}
+
+export function EditableWeeklyCheckInTitle({
+  sessionId,
+  initialTitle,
+  isOwner,
+}: EditableWeeklyCheckInTitleProps) {
+  return (
+    <EditableTitle
+      sessionId={sessionId}
+      initialTitle={initialTitle}
+      isOwner={isOwner}
+      onUpdate={async (id, title) => {
+        const result = await updateWeeklyCheckInSession(id, { title });
+        return result;
+      }}
+    />
+  );
+}

src/components/ui/index.ts

@@ -7,6 +7,7 @@ export { EditableTitle } from './EditableTitle';
 export { EditableSessionTitle } from './EditableSessionTitle';
 export { EditableMotivatorTitle } from './EditableMotivatorTitle';
 export { EditableYearReviewTitle } from './EditableYearReviewTitle';
+export { EditableWeeklyCheckInTitle } from './EditableWeeklyCheckInTitle';
 export { Input } from './Input';
 export { Modal, ModalFooter } from './Modal';
 export { Select } from './Select';

src/components/weekly-checkin/CurrentQuarterOKRs.tsx

@@ -0,0 +1,161 @@
+'use client';
+
+import { useState } from 'react';
+import Link from 'next/link';
+import { Card, CardContent, CardHeader, CardTitle } from '@/components/ui';
+import { Badge } from '@/components/ui';
+import type { OKR } from '@/lib/types';
+import { OKR_STATUS_LABELS } from '@/lib/types';
+
+type OKRWithTeam = OKR & {
+  team?: {
+    id: string;
+    name: string;
+  } | null;
+};
+
+interface CurrentQuarterOKRsProps {
+  okrs: OKRWithTeam[];
+  period: string;
+}
+
+export function CurrentQuarterOKRs({ okrs, period }: CurrentQuarterOKRsProps) {
+  const [isExpanded, setIsExpanded] = useState(true);
+
+  if (okrs.length === 0) {
+    return null;
+  }
+
+  return (
+    <Card className="mb-6">
+      <CardHeader>
+        <CardTitle className="flex items-center justify-between">
+          <button
+            onClick={() => setIsExpanded(!isExpanded)}
+            className="flex items-center gap-2 hover:opacity-80 transition-opacity"
+          >
+            <span>🎯</span>
+            <span>Objectifs du trimestre ({period})</span>
+            <svg
+              className={`w-5 h-5 transition-transform ${isExpanded ? 'rotate-180' : ''}`}
+              fill="none"
+              viewBox="0 0 24 24"
+              stroke="currentColor"
+            >
+              <path strokeLinecap="round" strokeLinejoin="round" strokeWidth={2} d="M19 9l-7 7-7-7" />
+            </svg>
+          </button>
+        </CardTitle>
+      </CardHeader>
+      {isExpanded && (
+        <CardContent>
+        <div className="space-y-3">
+          {okrs.map((okr) => {
+            const statusColors = getOKRStatusColor(okr.status);
+            return (
+              <div
+                key={okr.id}
+                className="rounded-lg border border-border bg-card p-3 hover:bg-card-hover transition-colors"
+              >
+                <div className="flex items-start justify-between gap-3">
+                  <div className="flex-1">
+                    <div className="flex items-center gap-2 mb-1">
+                      <h4 className="font-medium text-foreground">{okr.objective}</h4>
+                      <Badge
+                        variant="default"
+                        style={{
+                          backgroundColor: statusColors.bg,
+                          color: statusColors.color,
+                          borderColor: statusColors.color + '30',
+                        }}
+                      >
+                        {OKR_STATUS_LABELS[okr.status]}
+                      </Badge>
+                      {okr.progress !== undefined && (
+                        <span className="text-xs text-muted">{okr.progress}%</span>
+                      )}
+                    </div>
+                    {okr.description && (
+                      <p className="text-sm text-muted mb-2">{okr.description}</p>
+                    )}
+                    {okr.keyResults && okr.keyResults.length > 0 && (
+                      <ul className="space-y-1 mt-2">
+                        {okr.keyResults.slice(0, 3).map((kr) => {
+                          const krProgress = kr.targetValue > 0 
+                            ? Math.round((kr.currentValue / kr.targetValue) * 100) 
+                            : 0;
+                          return (
+                            <li key={kr.id} className="text-xs text-muted flex items-center gap-2">
+                              <span className="w-1.5 h-1.5 rounded-full bg-primary" />
+                              <span className="flex-1">{kr.title}</span>
+                              <span className="text-muted">
+                                {kr.currentValue}/{kr.targetValue} {kr.unit}
+                              </span>
+                              <span className="text-xs">({krProgress}%)</span>
+                            </li>
+                          );
+                        })}
+                        {okr.keyResults.length > 3 && (
+                          <li className="text-xs text-muted pl-3.5">
+                            +{okr.keyResults.length - 3} autre{okr.keyResults.length - 3 > 1 ? 's' : ''}
+                          </li>
+                        )}
+                      </ul>
+                    )}
+                    {okr.team && (
+                      <div className="mt-2">
+                        <span className="text-xs text-muted">Équipe: {okr.team.name}</span>
+                      </div>
+                    )}
+                  </div>
+                </div>
+              </div>
+            );
+          })}
+        </div>
+        <div className="mt-4 pt-4 border-t border-border">
+          <Link
+            href="/objectives"
+            className="text-sm text-primary hover:underline flex items-center gap-1"
+          >
+            Voir tous les objectifs
+            <svg className="w-4 h-4" fill="none" viewBox="0 0 24 24" stroke="currentColor">
+              <path strokeLinecap="round" strokeLinejoin="round" strokeWidth={2} d="M9 5l7 7-7 7" />
+            </svg>
+          </Link>
+        </div>
+        </CardContent>
+      )}
+    </Card>
+  );
+}
+
+function getOKRStatusColor(status: OKR['status']): { bg: string; color: string } {
+  switch (status) {
+    case 'NOT_STARTED':
+      return {
+        bg: 'color-mix(in srgb, #6b7280 15%, transparent)',
+        color: '#6b7280',
+      };
+    case 'IN_PROGRESS':
+      return {
+        bg: 'color-mix(in srgb, #3b82f6 15%, transparent)',
+        color: '#3b82f6',
+      };
+    case 'COMPLETED':
+      return {
+        bg: 'color-mix(in srgb, #10b981 15%, transparent)',
+        color: '#10b981',
+      };
+    case 'CANCELLED':
+      return {
+        bg: 'color-mix(in srgb, #ef4444 15%, transparent)',
+        color: '#ef4444',
+      };
+    default:
+      return {
+        bg: 'color-mix(in srgb, #6b7280 15%, transparent)',
+        color: '#6b7280',
+      };
+  }
+}

src/components/weekly-checkin/WeeklyCheckInBoard.tsx

@@ -0,0 +1,94 @@
+'use client';
+
+import { useTransition } from 'react';
+import { DragDropContext, Droppable, Draggable, DropResult } from '@hello-pangea/dnd';
+import type { WeeklyCheckInItem, WeeklyCheckInCategory } from '@prisma/client';
+import { WeeklyCheckInSection } from './WeeklyCheckInSection';
+import { WeeklyCheckInCard } from './WeeklyCheckInCard';
+import { moveWeeklyCheckInItem, reorderWeeklyCheckInItems } from '@/actions/weekly-checkin';
+import { WEEKLY_CHECK_IN_SECTIONS } from '@/lib/types';
+
+interface WeeklyCheckInBoardProps {
+  sessionId: string;
+  items: WeeklyCheckInItem[];
+}
+
+export function WeeklyCheckInBoard({ sessionId, items }: WeeklyCheckInBoardProps) {
+  const [isPending, startTransition] = useTransition();
+
+  const itemsByCategory = WEEKLY_CHECK_IN_SECTIONS.reduce(
+    (acc, section) => {
+      acc[section.category] = items
+        .filter((item) => item.category === section.category)
+        .sort((a, b) => a.order - b.order);
+      return acc;
+    },
+    {} as Record<WeeklyCheckInCategory, WeeklyCheckInItem[]>
+  );
+
+  function handleDragEnd(result: DropResult) {
+    if (!result.destination) return;
+
+    const { source, destination, draggableId } = result;
+    const sourceCategory = source.droppableId as WeeklyCheckInCategory;
+    const destCategory = destination.droppableId as WeeklyCheckInCategory;
+
+    // If same position, do nothing
+    if (sourceCategory === destCategory && source.index === destination.index) {
+      return;
+    }
+
+    startTransition(async () => {
+      if (sourceCategory === destCategory) {
+        // Same category - just reorder
+        const categoryItems = itemsByCategory[sourceCategory];
+        const itemIds = categoryItems.map((item) => item.id);
+        const [removed] = itemIds.splice(source.index, 1);
+        itemIds.splice(destination.index, 0, removed);
+        await reorderWeeklyCheckInItems(sessionId, sourceCategory, itemIds);
+      } else {
+        // Different category - move item
+        await moveWeeklyCheckInItem(draggableId, sessionId, destCategory, destination.index);
+      }
+    });
+  }
+
+  return (
+    <div className={`space-y-6 ${isPending ? 'opacity-70 pointer-events-none' : ''}`}>
+      {/* Weekly Check-in Sections */}
+      <DragDropContext onDragEnd={handleDragEnd}>
+        <div className="grid grid-cols-1 gap-4 lg:grid-cols-2">
+          {WEEKLY_CHECK_IN_SECTIONS.map((section) => (
+            <Droppable key={section.category} droppableId={section.category}>
+              {(provided, snapshot) => (
+                <WeeklyCheckInSection
+                  category={section.category}
+                  sessionId={sessionId}
+                  isDraggingOver={snapshot.isDraggingOver}
+                  ref={provided.innerRef}
+                  {...provided.droppableProps}
+                >
+                  {itemsByCategory[section.category].map((item, index) => (
+                    <Draggable key={item.id} draggableId={item.id} index={index}>
+                      {(dragProvided, dragSnapshot) => (
+                        <WeeklyCheckInCard
+                          item={item}
+                          sessionId={sessionId}
+                          isDragging={dragSnapshot.isDragging}
+                          ref={dragProvided.innerRef}
+                          {...dragProvided.draggableProps}
+                          {...dragProvided.dragHandleProps}
+                        />
+                      )}
+                    </Draggable>
+                  ))}
+                  {provided.placeholder}
+                </WeeklyCheckInSection>
+              )}
+            </Droppable>
+          ))}
+        </div>
+      </DragDropContext>
+    </div>
+  );
+}

src/components/weekly-checkin/WeeklyCheckInCard.tsx

@@ -0,0 +1,200 @@
+'use client';
+
+import { forwardRef, useState, useTransition } from 'react';
+import type { WeeklyCheckInItem } from '@prisma/client';
+import { updateWeeklyCheckInItem, deleteWeeklyCheckInItem } from '@/actions/weekly-checkin';
+import { WEEKLY_CHECK_IN_BY_CATEGORY, EMOTION_BY_TYPE } from '@/lib/types';
+import { Select } from '@/components/ui/Select';
+
+interface WeeklyCheckInCardProps {
+  item: WeeklyCheckInItem;
+  sessionId: string;
+  isDragging: boolean;
+}
+
+export const WeeklyCheckInCard = forwardRef<HTMLDivElement, WeeklyCheckInCardProps>(
+  ({ item, sessionId, isDragging, ...props }, ref) => {
+    const [isEditing, setIsEditing] = useState(false);
+    const [content, setContent] = useState(item.content);
+    const [emotion, setEmotion] = useState(item.emotion);
+    const [isPending, startTransition] = useTransition();
+
+    const config = WEEKLY_CHECK_IN_BY_CATEGORY[item.category];
+    const emotionConfig = EMOTION_BY_TYPE[item.emotion];
+
+    async function handleSave() {
+      if (content.trim() === item.content && emotion === item.emotion) {
+        setIsEditing(false);
+        return;
+      }
+
+      if (!content.trim()) {
+        // If empty, delete
+        startTransition(async () => {
+          await deleteWeeklyCheckInItem(item.id, sessionId);
+        });
+        return;
+      }
+
+      startTransition(async () => {
+        await updateWeeklyCheckInItem(item.id, sessionId, {
+          content: content.trim(),
+          emotion,
+        });
+        setIsEditing(false);
+      });
+    }
+
+    async function handleDelete() {
+      startTransition(async () => {
+        await deleteWeeklyCheckInItem(item.id, sessionId);
+      });
+    }
+
+    function handleKeyDown(e: React.KeyboardEvent) {
+      if (e.key === 'Enter' && !e.shiftKey && !e.ctrlKey && !e.metaKey) {
+        e.preventDefault();
+        handleSave();
+      } else if (e.key === 'Escape') {
+        setContent(item.content);
+        setEmotion(item.emotion);
+        setIsEditing(false);
+      }
+    }
+
+    return (
+      <div
+        ref={ref}
+        className={`
+          group relative rounded-lg border bg-card p-3 shadow-sm transition-all
+          ${isDragging ? 'shadow-lg ring-2 ring-primary' : 'border-border'}
+          ${isPending ? 'opacity-50' : ''}
+        `}
+        style={{
+          borderLeftColor: config.color,
+          borderLeftWidth: '3px',
+        }}
+        {...props}
+      >
+        {isEditing ? (
+          <div
+            className="space-y-2"
+            onBlur={(e) => {
+              // Don't close if focus moves to another element in this container
+              const currentTarget = e.currentTarget;
+              const relatedTarget = e.relatedTarget as Node | null;
+              if (relatedTarget && currentTarget.contains(relatedTarget)) {
+                return;
+              }
+              // Only save on blur if content changed
+              if (content.trim() !== item.content || emotion !== item.emotion) {
+                handleSave();
+              } else {
+                setIsEditing(false);
+              }
+            }}
+          >
+            <textarea
+              autoFocus
+              value={content}
+              onChange={(e) => setContent(e.target.value)}
+              onKeyDown={handleKeyDown}
+              className="w-full resize-none rounded border-0 bg-transparent p-0 text-sm text-foreground focus:outline-none focus:ring-0"
+              rows={2}
+              disabled={isPending}
+            />
+            <Select
+              value={emotion}
+              onChange={(e) => setEmotion(e.target.value as typeof emotion)}
+              className="text-xs"
+              options={Object.values(EMOTION_BY_TYPE).map((em) => ({
+                value: em.emotion,
+                label: `${em.icon} ${em.label}`,
+              }))}
+            />
+            <div className="flex justify-end gap-2">
+              <button
+                onClick={() => {
+                  setContent(item.content);
+                  setEmotion(item.emotion);
+                  setIsEditing(false);
+                }}
+                className="rounded px-2 py-1 text-xs text-muted hover:bg-card-hover"
+                disabled={isPending}
+              >
+                Annuler
+              </button>
+              <button
+                onClick={handleSave}
+                disabled={isPending || !content.trim()}
+                className="rounded px-2 py-1 text-xs font-medium text-primary hover:bg-primary/10 disabled:opacity-50"
+              >
+                {isPending ? '...' : 'Enregistrer'}
+              </button>
+            </div>
+          </div>
+        ) : (
+          <>
+            <div className="flex items-start justify-between gap-2">
+              <p className="text-sm text-foreground whitespace-pre-wrap flex-1">{item.content}</p>
+              {emotion !== 'NONE' && (
+                <div
+                  className="flex items-center gap-1 rounded-full px-2 py-0.5 text-xs font-medium shrink-0"
+                  style={{
+                    backgroundColor: `${emotionConfig.color}15`,
+                    color: emotionConfig.color,
+                    border: `1px solid ${emotionConfig.color}30`,
+                  }}
+                  title={emotionConfig.label}
+                >
+                  <span>{emotionConfig.icon}</span>
+                  <span>{emotionConfig.label}</span>
+                </div>
+              )}
+            </div>
+
+            {/* Actions (visible on hover) */}
+            <div className="absolute right-1 top-1 flex gap-0.5 opacity-0 transition-opacity group-hover:opacity-100">
+              <button
+                onClick={(e) => {
+                  e.stopPropagation();
+                  setIsEditing(true);
+                }}
+                className="rounded p-1 text-muted hover:bg-card-hover hover:text-foreground"
+                aria-label="Modifier"
+              >
+                <svg className="h-3.5 w-3.5" fill="none" viewBox="0 0 24 24" stroke="currentColor">
+                  <path
+                    strokeLinecap="round"
+                    strokeLinejoin="round"
+                    strokeWidth={2}
+                    d="M15.232 5.232l3.536 3.536m-2.036-5.036a2.5 2.5 0 113.536 3.536L6.5 21.036H3v-3.572L16.732 3.732z"
+                  />
+                </svg>
+              </button>
+              <button
+                onClick={(e) => {
+                  e.stopPropagation();
+                  handleDelete();
+                }}
+                className="rounded p-1 text-muted hover:bg-destructive/10 hover:text-destructive"
+                aria-label="Supprimer"
+              >
+                <svg className="h-3.5 w-3.5" fill="none" viewBox="0 0 24 24" stroke="currentColor">
+                  <path
+                    strokeLinecap="round"
+                    strokeLinejoin="round"
+                    strokeWidth={2}
+                    d="M19 7l-.867 12.142A2 2 0 0116.138 21H7.862a2 2 0 01-1.995-1.858L5 7m5 4v6m4-6v6m1-10V4a1 1 0 00-1-1h-4a1 1 0 00-1 1v3M4 7h16"
+                  />
+                </svg>
+              </button>
+            </div>
+          </>
+        )}
+      </div>
+    );
+  }
+);
+
+WeeklyCheckInCard.displayName = 'WeeklyCheckInCard';

src/components/weekly-checkin/WeeklyCheckInLiveWrapper.tsx

@@ -0,0 +1,132 @@
+'use client';
+
+import { useState, useCallback } from 'react';
+import { useWeeklyCheckInLive, type WeeklyCheckInLiveEvent } from '@/hooks/useWeeklyCheckInLive';
+import { LiveIndicator } from '@/components/collaboration/LiveIndicator';
+import { WeeklyCheckInShareModal } from './WeeklyCheckInShareModal';
+import { Button } from '@/components/ui/Button';
+import { Avatar } from '@/components/ui/Avatar';
+import type { ShareRole } from '@prisma/client';
+
+interface ShareUser {
+  id: string;
+  name: string | null;
+  email: string;
+}
+
+interface Share {
+  id: string;
+  role: ShareRole;
+  user: ShareUser;
+  createdAt: Date;
+}
+
+interface WeeklyCheckInLiveWrapperProps {
+  sessionId: string;
+  sessionTitle: string;
+  currentUserId: string;
+  shares: Share[];
+  isOwner: boolean;
+  canEdit: boolean;
+  children: React.ReactNode;
+}
+
+export function WeeklyCheckInLiveWrapper({
+  sessionId,
+  sessionTitle,
+  currentUserId,
+  shares,
+  isOwner,
+  canEdit,
+  children,
+}: WeeklyCheckInLiveWrapperProps) {
+  const [shareModalOpen, setShareModalOpen] = useState(false);
+  const [lastEventUser, setLastEventUser] = useState<string | null>(null);
+
+  const handleEvent = useCallback((event: WeeklyCheckInLiveEvent) => {
+    // Show who made the last change
+    if (event.user?.name || event.user?.email) {
+      setLastEventUser(event.user.name || event.user.email);
+      // Clear after 3 seconds
+      setTimeout(() => setLastEventUser(null), 3000);
+    }
+  }, []);
+
+  const { isConnected, error } = useWeeklyCheckInLive({
+    sessionId,
+    currentUserId,
+    onEvent: handleEvent,
+  });
+
+  return (
+    <>
+      {/* Header toolbar */}
+      <div className="mb-4 flex items-center justify-between rounded-lg border border-border bg-card p-3">
+        <div className="flex items-center gap-4">
+          <LiveIndicator isConnected={isConnected} error={error} />
+
+          {lastEventUser && (
+            <div className="flex items-center gap-2 text-sm text-muted animate-pulse">
+              <span>✏️</span>
+              <span>{lastEventUser} édite...</span>
+            </div>
+          )}
+
+          {!canEdit && (
+            <div className="flex items-center gap-2 rounded-full bg-yellow/10 px-3 py-1.5 text-sm text-yellow">
+              <span>👁️</span>
+              <span>Mode lecture</span>
+            </div>
+          )}
+        </div>
+
+        <div className="flex items-center gap-2">
+          {/* Collaborators avatars */}
+          {shares.length > 0 && (
+            <div className="flex -space-x-2">
+              {shares.slice(0, 3).map((share) => (
+                <Avatar
+                  key={share.id}
+                  email={share.user.email}
+                  name={share.user.name}
+                  size={32}
+                  className="border-2 border-card"
+                />
+              ))}
+              {shares.length > 3 && (
+                <div className="flex h-8 w-8 items-center justify-center rounded-full border-2 border-card bg-muted/20 text-xs font-medium text-muted">
+                  +{shares.length - 3}
+                </div>
+              )}
+            </div>
+          )}
+
+          <Button variant="outline" size="sm" onClick={() => setShareModalOpen(true)}>
+            <svg
+              xmlns="http://www.w3.org/2000/svg"
+              viewBox="0 0 20 20"
+              fill="currentColor"
+              className="mr-2 h-4 w-4"
+            >
+              <path d="M13 4.5a2.5 2.5 0 11.702 1.737L6.97 9.604a2.518 2.518 0 010 .792l6.733 3.367a2.5 2.5 0 11-.671 1.341l-6.733-3.367a2.5 2.5 0 110-3.475l6.733-3.366A2.52 2.52 0 0113 4.5z" />
+            </svg>
+            Partager
+          </Button>
+        </div>
+      </div>
+
+      {/* Content */}
+      <div className={!canEdit ? 'pointer-events-none opacity-90' : ''}>{children}</div>
+
+      {/* Share Modal */}
+      <WeeklyCheckInShareModal
+        isOpen={shareModalOpen}
+        onClose={() => setShareModalOpen(false)}
+        sessionId={sessionId}
+        sessionTitle={sessionTitle}
+        shares={shares}
+        isOwner={isOwner}
+      />
+    </>
+  );
+}

src/components/weekly-checkin/WeeklyCheckInSection.tsx

@@ -0,0 +1,173 @@
+'use client';
+
+import { forwardRef, useState, useTransition, useRef, ReactNode } from 'react';
+import type { WeeklyCheckInCategory } from '@prisma/client';
+import { createWeeklyCheckInItem } from '@/actions/weekly-checkin';
+import { WEEKLY_CHECK_IN_BY_CATEGORY, EMOTION_BY_TYPE } from '@/lib/types';
+import { Select } from '@/components/ui/Select';
+
+interface WeeklyCheckInSectionProps {
+  category: WeeklyCheckInCategory;
+  sessionId: string;
+  isDraggingOver: boolean;
+  children: ReactNode;
+}
+
+export const WeeklyCheckInSection = forwardRef<HTMLDivElement, WeeklyCheckInSectionProps>(
+  ({ category, sessionId, isDraggingOver, children, ...props }, ref) => {
+    const [isAdding, setIsAdding] = useState(false);
+    const [newContent, setNewContent] = useState('');
+    const [newEmotion, setNewEmotion] = useState<'NONE'>('NONE');
+    const [isPending, startTransition] = useTransition();
+    const isSubmittingRef = useRef(false);
+
+    const config = WEEKLY_CHECK_IN_BY_CATEGORY[category];
+
+    async function handleAdd() {
+      if (isSubmittingRef.current || !newContent.trim()) {
+        setIsAdding(false);
+        return;
+      }
+
+      isSubmittingRef.current = true;
+      startTransition(async () => {
+        await createWeeklyCheckInItem(sessionId, {
+          content: newContent.trim(),
+          category,
+          emotion: newEmotion,
+        });
+        setNewContent('');
+        setNewEmotion('NONE');
+        setIsAdding(false);
+        isSubmittingRef.current = false;
+      });
+    }
+
+    function handleKeyDown(e: React.KeyboardEvent) {
+      if (e.key === 'Enter' && !e.shiftKey) {
+        e.preventDefault();
+        handleAdd();
+      } else if (e.key === 'Escape') {
+        setIsAdding(false);
+        setNewContent('');
+        setNewEmotion('NONE');
+      }
+    }
+
+    return (
+      <div
+        ref={ref}
+        className={`
+          rounded-xl border-2 p-4 min-h-[200px] transition-colors
+          bg-card border-border
+          ${isDraggingOver ? 'ring-2 ring-primary ring-offset-2' : ''}
+        `}
+        style={{
+          borderLeftColor: config.color,
+          borderLeftWidth: '4px',
+        }}
+        {...props}
+      >
+        {/* Header */}
+        <div className="mb-3 flex items-center justify-between">
+          <div className="flex items-center gap-2">
+            <span className="text-xl">{config.icon}</span>
+            <div>
+              <h3 className="font-semibold text-foreground">{config.title}</h3>
+              <p className="text-xs text-muted">{config.description}</p>
+            </div>
+          </div>
+          <button
+            onClick={() => setIsAdding(true)}
+            className="rounded-lg p-1.5 transition-colors hover:bg-card-hover text-muted hover:text-foreground"
+            aria-label={`Ajouter un item ${config.title}`}
+          >
+            <svg className="h-5 w-5" fill="none" viewBox="0 0 24 24" stroke="currentColor">
+              <path
+                strokeLinecap="round"
+                strokeLinejoin="round"
+                strokeWidth={2}
+                d="M12 4v16m8-8H4"
+              />
+            </svg>
+          </button>
+        </div>
+
+        {/* Items */}
+        <div className="space-y-2">
+          {children}
+
+          {/* Add Form */}
+          {isAdding && (
+            <div
+              className="rounded-lg border border-border bg-card p-2 shadow-sm"
+              onBlur={(e) => {
+                // Don't close if focus moves to another element in this container
+                const currentTarget = e.currentTarget;
+                const relatedTarget = e.relatedTarget as Node | null;
+                if (relatedTarget && currentTarget.contains(relatedTarget)) {
+                  return;
+                }
+                // Only add on blur if content is not empty
+                if (newContent.trim()) {
+                  handleAdd();
+                } else {
+                  setIsAdding(false);
+                  setNewContent('');
+                  setNewEmotion('NONE');
+                }
+              }}
+            >
+              <textarea
+                autoFocus
+                value={newContent}
+                onChange={(e) => setNewContent(e.target.value)}
+                onKeyDown={handleKeyDown}
+                placeholder={`Décrivez ${config.title.toLowerCase()}...`}
+                className="w-full resize-none rounded border-0 bg-transparent p-1 text-sm text-foreground placeholder:text-muted focus:outline-none focus:ring-0"
+                rows={2}
+                disabled={isPending}
+              />
+              <div className="mt-2 flex items-center justify-between gap-2">
+                <Select
+                  value={newEmotion}
+                  onChange={(e) => setNewEmotion(e.target.value as typeof newEmotion)}
+                  className="text-xs flex-1"
+                  options={Object.values(EMOTION_BY_TYPE).map((em) => ({
+                    value: em.emotion,
+                    label: `${em.icon} ${em.label}`,
+                  }))}
+                />
+                <div className="flex gap-1">
+                  <button
+                    onClick={() => {
+                      setIsAdding(false);
+                      setNewContent('');
+                      setNewEmotion('NONE');
+                    }}
+                    className="rounded px-2 py-1 text-xs text-muted hover:bg-card-hover"
+                    disabled={isPending}
+                  >
+                    Annuler
+                  </button>
+                  <button
+                    onMouseDown={(e) => {
+                      e.preventDefault(); // Prevent blur from textarea
+                    }}
+                    onClick={handleAdd}
+                    disabled={isPending || !newContent.trim()}
+                    className="rounded px-2 py-1 text-xs font-medium text-primary hover:bg-primary/10 disabled:opacity-50"
+                  >
+                    {isPending ? '...' : 'Ajouter'}
+                  </button>
+                </div>
+              </div>
+            </div>
+          )}
+        </div>
+      </div>
+    );
+  }
+);
+
+WeeklyCheckInSection.displayName = 'WeeklyCheckInSection';

src/components/weekly-checkin/WeeklyCheckInShareModal.tsx

@@ -0,0 +1,172 @@
+'use client';
+
+import { useState, useTransition } from 'react';
+import { Modal } from '@/components/ui/Modal';
+import { Input } from '@/components/ui/Input';
+import { Button } from '@/components/ui/Button';
+import { Badge } from '@/components/ui/Badge';
+import { Avatar } from '@/components/ui/Avatar';
+import { shareWeeklyCheckInSession, removeWeeklyCheckInShare } from '@/actions/weekly-checkin';
+import type { ShareRole } from '@prisma/client';
+
+interface ShareUser {
+  id: string;
+  name: string | null;
+  email: string;
+}
+
+interface Share {
+  id: string;
+  role: ShareRole;
+  user: ShareUser;
+  createdAt: Date;
+}
+
+interface WeeklyCheckInShareModalProps {
+  isOpen: boolean;
+  onClose: () => void;
+  sessionId: string;
+  sessionTitle: string;
+  shares: Share[];
+  isOwner: boolean;
+}
+
+export function WeeklyCheckInShareModal({
+  isOpen,
+  onClose,
+  sessionId,
+  sessionTitle,
+  shares,
+  isOwner,
+}: WeeklyCheckInShareModalProps) {
+  const [email, setEmail] = useState('');
+  const [role, setRole] = useState<ShareRole>('EDITOR');
+  const [error, setError] = useState<string | null>(null);
+  const [isPending, startTransition] = useTransition();
+
+  async function handleShare(e: React.FormEvent) {
+    e.preventDefault();
+    setError(null);
+
+    startTransition(async () => {
+      const result = await shareWeeklyCheckInSession(sessionId, email, role);
+      if (result.success) {
+        setEmail('');
+      } else {
+        setError(result.error || 'Erreur lors du partage');
+      }
+    });
+  }
+
+  async function handleRemove(userId: string) {
+    startTransition(async () => {
+      await removeWeeklyCheckInShare(sessionId, userId);
+    });
+  }
+
+  return (
+    <Modal isOpen={isOpen} onClose={onClose} title="Partager le check-in">
+      <div className="space-y-6">
+        {/* Session info */}
+        <div>
+          <p className="text-sm text-muted">Check-in hebdomadaire</p>
+          <p className="font-medium text-foreground">{sessionTitle}</p>
+        </div>
+
+        {/* Share form (only for owner) */}
+        {isOwner && (
+          <form onSubmit={handleShare} className="space-y-4">
+            <div className="flex gap-2">
+              <Input
+                type="email"
+                placeholder="Email de l'utilisateur"
+                value={email}
+                onChange={(e) => setEmail(e.target.value)}
+                className="flex-1"
+                required
+              />
+              <select
+                value={role}
+                onChange={(e) => setRole(e.target.value as ShareRole)}
+                className="rounded-lg border border-border bg-input px-3 py-2 text-sm text-foreground"
+              >
+                <option value="EDITOR">Éditeur</option>
+                <option value="VIEWER">Lecteur</option>
+              </select>
+            </div>
+
+            {error && <p className="text-sm text-destructive">{error}</p>}
+
+            <Button type="submit" disabled={isPending || !email} className="w-full">
+              {isPending ? 'Partage...' : 'Partager'}
+            </Button>
+          </form>
+        )}
+
+        {/* Current shares */}
+        <div className="space-y-2">
+          <p className="text-sm font-medium text-foreground">Collaborateurs ({shares.length})</p>
+
+          {shares.length === 0 ? (
+            <p className="text-sm text-muted">Aucun collaborateur pour le moment</p>
+          ) : (
+            <ul className="space-y-2">
+              {shares.map((share) => (
+                <li
+                  key={share.id}
+                  className="flex items-center justify-between rounded-lg border border-border bg-card p-3"
+                >
+                  <div className="flex items-center gap-3">
+                    <Avatar email={share.user.email} name={share.user.name} size={32} />
+                    <div>
+                      <p className="text-sm font-medium text-foreground">
+                        {share.user.name || share.user.email}
+                      </p>
+                      {share.user.name && <p className="text-xs text-muted">{share.user.email}</p>}
+                    </div>
+                  </div>
+
+                  <div className="flex items-center gap-2">
+                    <Badge variant={share.role === 'EDITOR' ? 'primary' : 'default'}>
+                      {share.role === 'EDITOR' ? 'Éditeur' : 'Lecteur'}
+                    </Badge>
+                    {isOwner && (
+                      <button
+                        onClick={() => handleRemove(share.user.id)}
+                        disabled={isPending}
+                        className="rounded p-1 text-muted hover:bg-destructive/10 hover:text-destructive"
+                        title="Retirer l'accès"
+                      >
+                        <svg
+                          xmlns="http://www.w3.org/2000/svg"
+                          viewBox="0 0 20 20"
+                          fill="currentColor"
+                          className="h-4 w-4"
+                        >
+                          <path
+                            fillRule="evenodd"
+                            d="M8.75 1A2.75 2.75 0 006 3.75v.443c-.795.077-1.584.176-2.365.298a.75.75 0 10.23 1.482l.149-.022.841 10.518A2.75 2.75 0 007.596 19h4.807a2.75 2.75 0 002.742-2.53l.841-10.52.149.023a.75.75 0 00.23-1.482A41.03 41.03 0 0014 4.193V3.75A2.75 2.75 0 0011.25 1h-2.5zM10 4c.84 0 1.673.025 2.5.075V3.75c0-.69-.56-1.25-1.25-1.25h-2.5c-.69 0-1.25.56-1.25 1.25v.325C8.327 4.025 9.16 4 10 4zM8.58 7.72a.75.75 0 00-1.5.06l.3 7.5a.75.75 0 101.5-.06l-.3-7.5zm4.34.06a.75.75 0 10-1.5-.06l-.3 7.5a.75.75 0 101.5.06l.3-7.5z"
+                            clipRule="evenodd"
+                          />
+                        </svg>
+                      </button>
+                    )}
+                  </div>
+                </li>
+              ))}
+            </ul>
+          )}
+        </div>
+
+        {/* Help text */}
+        <div className="rounded-lg bg-primary/5 p-3">
+          <p className="text-xs text-muted">
+            <strong>Éditeur</strong> : peut modifier les items et leurs catégories
+            <br />
+            <strong>Lecteur</strong> : peut uniquement consulter
+          </p>
+        </div>
+      </div>
+    </Modal>
+  );
+}

src/components/weekly-checkin/index.ts

@@ -0,0 +1,6 @@
+export { WeeklyCheckInBoard } from './WeeklyCheckInBoard';
+export { WeeklyCheckInCard } from './WeeklyCheckInCard';
+export { WeeklyCheckInSection } from './WeeklyCheckInSection';
+export { WeeklyCheckInLiveWrapper } from './WeeklyCheckInLiveWrapper';
+export { WeeklyCheckInShareModal } from './WeeklyCheckInShareModal';
+export { CurrentQuarterOKRs } from './CurrentQuarterOKRs';

src/hooks/useWeeklyCheckInLive.ts

@@ -0,0 +1,31 @@
+import { useLive, type LiveEvent } from './useLive';
+
+interface UseWeeklyCheckInLiveOptions {
+  sessionId: string;
+  currentUserId?: string;
+  enabled?: boolean;
+  onEvent?: (event: WeeklyCheckInLiveEvent) => void;
+}
+
+interface UseWeeklyCheckInLiveReturn {
+  isConnected: boolean;
+  lastEvent: WeeklyCheckInLiveEvent | null;
+  error: string | null;
+}
+
+export type WeeklyCheckInLiveEvent = LiveEvent;
+
+export function useWeeklyCheckInLive({
+  sessionId,
+  currentUserId,
+  enabled = true,
+  onEvent,
+}: UseWeeklyCheckInLiveOptions): UseWeeklyCheckInLiveReturn {
+  return useLive({
+    sessionId,
+    apiPath: 'weekly-checkin',
+    currentUserId,
+    enabled,
+    onEvent,
+  });
+}

src/lib/okr-utils.ts

@@ -0,0 +1,16 @@
+/**
+ * Get the current quarter period string (e.g., "Q1 2025") from a date
+ */
+export function getCurrentQuarterPeriod(date: Date = new Date()): string {
+  const year = date.getFullYear();
+  const month = date.getMonth() + 1; // 1-12
+  const quarter = Math.ceil(month / 3);
+  return `Q${quarter} ${year}`;
+}
+
+/**
+ * Check if a period string matches the current quarter
+ */
+export function isCurrentQuarterPeriod(period: string, date: Date = new Date()): boolean {
+  return period === getCurrentQuarterPeriod(date);
+}

src/lib/types.ts

@@ -571,3 +571,219 @@ function generatePeriodSuggestions(): string[] {
 }
 
 export const PERIOD_SUGGESTIONS = generatePeriodSuggestions();
+
+// ============================================
+// Weekly Check-in - Type Definitions
+// ============================================
+
+export type WeeklyCheckInCategory =
+  | 'WENT_WELL' // Ce qui s'est bien passé
+  | 'WENT_WRONG' // Ce qui s'est mal passé
+  | 'CURRENT_FOCUS' // Les enjeux du moment (je me concentre sur ...)
+  | 'NEXT_FOCUS'; // Les prochains enjeux
+
+export type Emotion =
+  | 'PRIDE' // Fierté
+  | 'JOY' // Joie
+  | 'SATISFACTION' // Satisfaction
+  | 'GRATITUDE' // Gratitude
+  | 'CONFIDENCE' // Confiance
+  | 'FRUSTRATION' // Frustration
+  | 'WORRY' // Inquiétude
+  | 'DISAPPOINTMENT' // Déception
+  | 'EXCITEMENT' // Excitement
+  | 'ANTICIPATION' // Anticipation
+  | 'DETERMINATION' // Détermination
+  | 'NONE'; // Aucune émotion
+
+export interface WeeklyCheckInItem {
+  id: string;
+  content: string;
+  category: WeeklyCheckInCategory;
+  emotion: Emotion;
+  order: number;
+  sessionId: string;
+  createdAt: Date;
+  updatedAt: Date;
+}
+
+export interface WeeklyCheckInSession {
+  id: string;
+  title: string;
+  participant: string;
+  date: Date;
+  userId: string;
+  items: WeeklyCheckInItem[];
+  createdAt: Date;
+  updatedAt: Date;
+}
+
+export interface CreateWeeklyCheckInSessionInput {
+  title: string;
+  participant: string;
+  date?: Date;
+}
+
+export interface UpdateWeeklyCheckInSessionInput {
+  title?: string;
+  participant?: string;
+  date?: Date;
+}
+
+export interface CreateWeeklyCheckInItemInput {
+  content: string;
+  category: WeeklyCheckInCategory;
+  emotion?: Emotion;
+  order?: number;
+}
+
+export interface UpdateWeeklyCheckInItemInput {
+  content?: string;
+  category?: WeeklyCheckInCategory;
+  emotion?: Emotion;
+  order?: number;
+}
+
+// ============================================
+// Weekly Check-in - UI Config
+// ============================================
+
+export interface WeeklyCheckInSectionConfig {
+  category: WeeklyCheckInCategory;
+  title: string;
+  icon: string;
+  description: string;
+  color: string;
+}
+
+export const WEEKLY_CHECK_IN_SECTIONS: WeeklyCheckInSectionConfig[] = [
+  {
+    category: 'WENT_WELL',
+    title: 'Ce qui s\'est bien passé',
+    icon: '✅',
+    description: 'Les réussites et points positifs de la semaine',
+    color: '#22c55e', // green
+  },
+  {
+    category: 'WENT_WRONG',
+    title: 'Ce qui s\'est mal passé',
+    icon: '⚠️',
+    description: 'Les difficultés et points d\'amélioration',
+    color: '#ef4444', // red
+  },
+  {
+    category: 'CURRENT_FOCUS',
+    title: 'Enjeux du moment',
+    icon: '🎯',
+    description: 'Sur quoi je me concentre actuellement',
+    color: '#3b82f6', // blue
+  },
+  {
+    category: 'NEXT_FOCUS',
+    title: 'Prochains enjeux',
+    icon: '🚀',
+    description: 'Ce sur quoi je vais me concentrer prochainement',
+    color: '#8b5cf6', // purple
+  },
+];
+
+export const WEEKLY_CHECK_IN_BY_CATEGORY: Record<
+  WeeklyCheckInCategory,
+  WeeklyCheckInSectionConfig
+> = WEEKLY_CHECK_IN_SECTIONS.reduce(
+  (acc, config) => {
+    acc[config.category] = config;
+    return acc;
+  },
+  {} as Record<WeeklyCheckInCategory, WeeklyCheckInSectionConfig>
+);
+
+export interface EmotionConfig {
+  emotion: Emotion;
+  label: string;
+  icon: string;
+  color: string;
+}
+
+export const EMOTIONS_CONFIG: EmotionConfig[] = [
+  {
+    emotion: 'PRIDE',
+    label: 'Fierté',
+    icon: '🦁',
+    color: '#f59e0b', // amber
+  },
+  {
+    emotion: 'JOY',
+    label: 'Joie',
+    icon: '😊',
+    color: '#eab308', // yellow
+  },
+  {
+    emotion: 'SATISFACTION',
+    label: 'Satisfaction',
+    icon: '😌',
+    color: '#22c55e', // green
+  },
+  {
+    emotion: 'GRATITUDE',
+    label: 'Gratitude',
+    icon: '🙏',
+    color: '#14b8a6', // teal
+  },
+  {
+    emotion: 'CONFIDENCE',
+    label: 'Confiance',
+    icon: '💪',
+    color: '#3b82f6', // blue
+  },
+  {
+    emotion: 'FRUSTRATION',
+    label: 'Frustration',
+    icon: '😤',
+    color: '#f97316', // orange
+  },
+  {
+    emotion: 'WORRY',
+    label: 'Inquiétude',
+    icon: '😟',
+    color: '#eab308', // yellow
+  },
+  {
+    emotion: 'DISAPPOINTMENT',
+    label: 'Déception',
+    icon: '😞',
+    color: '#ef4444', // red
+  },
+  {
+    emotion: 'EXCITEMENT',
+    label: 'Excitement',
+    icon: '🤩',
+    color: '#ec4899', // pink
+  },
+  {
+    emotion: 'ANTICIPATION',
+    label: 'Anticipation',
+    icon: '⏳',
+    color: '#8b5cf6', // purple
+  },
+  {
+    emotion: 'DETERMINATION',
+    label: 'Détermination',
+    icon: '🔥',
+    color: '#dc2626', // red
+  },
+  {
+    emotion: 'NONE',
+    label: 'Aucune',
+    icon: '—',
+    color: '#6b7280', // gray
+  },
+];
+
+export const EMOTION_BY_TYPE: Record<Emotion, EmotionConfig> = EMOTIONS_CONFIG.reduce(
+  (acc, config) => {
+    acc[config.emotion] = config;
+    return acc;
+  },
+  {} as Record<Emotion, EmotionConfig>
+);

src/services/okrs.ts

@@ -183,6 +183,45 @@ export async function getUserOKRs(userId: string) {
   );
 }
 
+export async function getUserOKRsForPeriod(userId: string, period: string) {
+  // Get all team members for this user
+  const teamMembers = await prisma.teamMember.findMany({
+    where: { userId },
+    include: {
+      team: {
+        select: {
+          id: true,
+          name: true,
+        },
+      },
+      okrs: {
+        where: {
+          period,
+        },
+        include: {
+          keyResults: {
+            orderBy: {
+              order: 'asc',
+            },
+          },
+        },
+        orderBy: {
+          createdAt: 'desc',
+        },
+      },
+    },
+  });
+
+  // Flatten and return OKRs with team info
+  return teamMembers.flatMap((tm) =>
+    tm.okrs.map((okr) => ({
+      ...okr,
+      progress: calculateOKRProgressFromKeyResults(okr.keyResults),
+      team: tm.team,
+    }))
+  );
+}
+
 export async function updateOKR(
   okrId: string,
   data: UpdateOKRInput,

src/services/weekly-checkin.ts

@@ -0,0 +1,371 @@
+import { prisma } from '@/services/database';
+import { resolveCollaborator } from '@/services/auth';
+import type { ShareRole, WeeklyCheckInCategory, Emotion } from '@prisma/client';
+
+// ============================================
+// Weekly Check-in Session CRUD
+// ============================================
+
+export async function getWeeklyCheckInSessionsByUserId(userId: string) {
+  // Get owned sessions + shared sessions
+  const [owned, shared] = await Promise.all([
+    prisma.weeklyCheckInSession.findMany({
+      where: { userId },
+      include: {
+        user: { select: { id: true, name: true, email: true } },
+        shares: {
+          include: {
+            user: { select: { id: true, name: true, email: true } },
+          },
+        },
+        _count: {
+          select: {
+            items: true,
+          },
+        },
+      },
+      orderBy: { updatedAt: 'desc' },
+    }),
+    prisma.wCISessionShare.findMany({
+      where: { userId },
+      include: {
+        session: {
+          include: {
+            user: { select: { id: true, name: true, email: true } },
+            shares: {
+              include: {
+                user: { select: { id: true, name: true, email: true } },
+              },
+            },
+            _count: {
+              select: {
+                items: true,
+              },
+            },
+          },
+        },
+      },
+    }),
+  ]);
+
+  // Mark owned sessions and merge with shared
+  const ownedWithRole = owned.map((s) => ({
+    ...s,
+    isOwner: true as const,
+    role: 'OWNER' as const,
+  }));
+  const sharedWithRole = shared.map((s) => ({
+    ...s.session,
+    isOwner: false as const,
+    role: s.role,
+    sharedAt: s.createdAt,
+  }));
+
+  const allSessions = [...ownedWithRole, ...sharedWithRole].sort(
+    (a, b) => new Date(b.updatedAt).getTime() - new Date(a.updatedAt).getTime()
+  );
+
+  // Resolve participants to users
+  const sessionsWithResolved = await Promise.all(
+    allSessions.map(async (s) => ({
+      ...s,
+      resolvedParticipant: await resolveCollaborator(s.participant),
+    }))
+  );
+
+  return sessionsWithResolved;
+}
+
+export async function getWeeklyCheckInSessionById(sessionId: string, userId: string) {
+  // Check if user owns the session OR has it shared
+  const session = await prisma.weeklyCheckInSession.findFirst({
+    where: {
+      id: sessionId,
+      OR: [
+        { userId }, // Owner
+        { shares: { some: { userId } } }, // Shared with user
+      ],
+    },
+    include: {
+      user: { select: { id: true, name: true, email: true } },
+      items: {
+        orderBy: [{ category: 'asc' }, { order: 'asc' }],
+      },
+      shares: {
+        include: {
+          user: { select: { id: true, name: true, email: true } },
+        },
+      },
+    },
+  });
+
+  if (!session) return null;
+
+  // Determine user's role
+  const isOwner = session.userId === userId;
+  const share = session.shares.find((s) => s.userId === userId);
+  const role = isOwner ? ('OWNER' as const) : share?.role || ('VIEWER' as const);
+  const canEdit = isOwner || role === 'EDITOR';
+
+  // Resolve participant to user if it's an email
+  const resolvedParticipant = await resolveCollaborator(session.participant);
+
+  return { ...session, isOwner, role, canEdit, resolvedParticipant };
+}
+
+// Check if user can access session (owner or shared)
+export async function canAccessWeeklyCheckInSession(sessionId: string, userId: string) {
+  const count = await prisma.weeklyCheckInSession.count({
+    where: {
+      id: sessionId,
+      OR: [{ userId }, { shares: { some: { userId } } }],
+    },
+  });
+  return count > 0;
+}
+
+// Check if user can edit session (owner or EDITOR role)
+export async function canEditWeeklyCheckInSession(sessionId: string, userId: string) {
+  const count = await prisma.weeklyCheckInSession.count({
+    where: {
+      id: sessionId,
+      OR: [{ userId }, { shares: { some: { userId, role: 'EDITOR' } } }],
+    },
+  });
+  return count > 0;
+}
+
+export async function createWeeklyCheckInSession(
+  userId: string,
+  data: { title: string; participant: string; date?: Date }
+) {
+  return prisma.weeklyCheckInSession.create({
+    data: {
+      ...data,
+      date: data.date || new Date(),
+      userId,
+    },
+    include: {
+      items: {
+        orderBy: [{ category: 'asc' }, { order: 'asc' }],
+      },
+    },
+  });
+}
+
+export async function updateWeeklyCheckInSession(
+  sessionId: string,
+  userId: string,
+  data: { title?: string; participant?: string; date?: Date }
+) {
+  return prisma.weeklyCheckInSession.updateMany({
+    where: { id: sessionId, userId },
+    data,
+  });
+}
+
+export async function deleteWeeklyCheckInSession(sessionId: string, userId: string) {
+  return prisma.weeklyCheckInSession.deleteMany({
+    where: { id: sessionId, userId },
+  });
+}
+
+// ============================================
+// Weekly Check-in Items CRUD
+// ============================================
+
+export async function createWeeklyCheckInItem(
+  sessionId: string,
+  data: { content: string; category: WeeklyCheckInCategory; emotion?: Emotion }
+) {
+  // Get max order for this category in this session
+  const maxOrder = await prisma.weeklyCheckInItem.findFirst({
+    where: { sessionId, category: data.category },
+    orderBy: { order: 'desc' },
+    select: { order: true },
+  });
+
+  return prisma.weeklyCheckInItem.create({
+    data: {
+      ...data,
+      emotion: data.emotion || 'NONE',
+      sessionId,
+      order: (maxOrder?.order ?? -1) + 1,
+    },
+  });
+}
+
+export async function updateWeeklyCheckInItem(
+  itemId: string,
+  data: { content?: string; category?: WeeklyCheckInCategory; emotion?: Emotion; order?: number }
+) {
+  return prisma.weeklyCheckInItem.update({
+    where: { id: itemId },
+    data,
+  });
+}
+
+export async function deleteWeeklyCheckInItem(itemId: string) {
+  return prisma.weeklyCheckInItem.delete({
+    where: { id: itemId },
+  });
+}
+
+export async function moveWeeklyCheckInItem(
+  itemId: string,
+  newCategory: WeeklyCheckInCategory,
+  newOrder: number
+) {
+  return prisma.weeklyCheckInItem.update({
+    where: { id: itemId },
+    data: {
+      category: newCategory,
+      order: newOrder,
+    },
+  });
+}
+
+export async function reorderWeeklyCheckInItems(
+  sessionId: string,
+  category: WeeklyCheckInCategory,
+  itemIds: string[]
+) {
+  const updates = itemIds.map((id, index) =>
+    prisma.weeklyCheckInItem.update({
+      where: { id },
+      data: { order: index },
+    })
+  );
+
+  return prisma.$transaction(updates);
+}
+
+// ============================================
+// Session Sharing
+// ============================================
+
+export async function shareWeeklyCheckInSession(
+  sessionId: string,
+  ownerId: string,
+  targetEmail: string,
+  role: ShareRole = 'EDITOR'
+) {
+  // Verify owner
+  const session = await prisma.weeklyCheckInSession.findFirst({
+    where: { id: sessionId, userId: ownerId },
+  });
+  if (!session) {
+    throw new Error('Session not found or not owned');
+  }
+
+  // Find target user
+  const targetUser = await prisma.user.findUnique({
+    where: { email: targetEmail },
+  });
+  if (!targetUser) {
+    throw new Error('User not found');
+  }
+
+  // Can't share with yourself
+  if (targetUser.id === ownerId) {
+    throw new Error('Cannot share session with yourself');
+  }
+
+  // Create or update share
+  return prisma.wCISessionShare.upsert({
+    where: {
+      sessionId_userId: { sessionId, userId: targetUser.id },
+    },
+    update: { role },
+    create: {
+      sessionId,
+      userId: targetUser.id,
+      role,
+    },
+    include: {
+      user: { select: { id: true, name: true, email: true } },
+    },
+  });
+}
+
+export async function removeWeeklyCheckInShare(
+  sessionId: string,
+  ownerId: string,
+  shareUserId: string
+) {
+  // Verify owner
+  const session = await prisma.weeklyCheckInSession.findFirst({
+    where: { id: sessionId, userId: ownerId },
+  });
+  if (!session) {
+    throw new Error('Session not found or not owned');
+  }
+
+  return prisma.wCISessionShare.deleteMany({
+    where: { sessionId, userId: shareUserId },
+  });
+}
+
+export async function getWeeklyCheckInSessionShares(sessionId: string, userId: string) {
+  // Verify access
+  if (!(await canAccessWeeklyCheckInSession(sessionId, userId))) {
+    throw new Error('Access denied');
+  }
+
+  return prisma.wCISessionShare.findMany({
+    where: { sessionId },
+    include: {
+      user: { select: { id: true, name: true, email: true } },
+    },
+  });
+}
+
+// ============================================
+// Session Events (for real-time sync)
+// ============================================
+
+export type WCISessionEventType =
+  | 'ITEM_CREATED'
+  | 'ITEM_UPDATED'
+  | 'ITEM_DELETED'
+  | 'ITEM_MOVED'
+  | 'ITEMS_REORDERED'
+  | 'SESSION_UPDATED';
+
+export async function createWeeklyCheckInSessionEvent(
+  sessionId: string,
+  userId: string,
+  type: WCISessionEventType,
+  payload: Record<string, unknown>
+) {
+  return prisma.wCISessionEvent.create({
+    data: {
+      sessionId,
+      userId,
+      type,
+      payload: JSON.stringify(payload),
+    },
+  });
+}
+
+export async function getWeeklyCheckInSessionEvents(sessionId: string, since?: Date) {
+  return prisma.wCISessionEvent.findMany({
+    where: {
+      sessionId,
+      ...(since && { createdAt: { gt: since } }),
+    },
+    include: {
+      user: { select: { id: true, name: true, email: true } },
+    },
+    orderBy: { createdAt: 'asc' },
+  });
+}
+
+export async function getLatestWeeklyCheckInEventTimestamp(sessionId: string) {
+  const event = await prisma.wCISessionEvent.findFirst({
+    where: { sessionId },
+    orderBy: { createdAt: 'desc' },
+    select: { createdAt: true },
+  });
+  return event?.createdAt;
+}