feat: enhance OKR management by adding permission checks for editing and deleting, and updating OKR forms to handle key results more effectively

src/app/api/okrs/[id]/route.ts

@@ -25,7 +25,19 @@ export async function GET(request: Request, { params }: { params: Promise<{ id:
       return NextResponse.json({ error: 'Accès refusé' }, { status: 403 });
     }
 
-    return NextResponse.json(okr);
+    // Check permissions
+    const isAdmin = await isTeamAdmin(okr.teamMember.team.id, session.user.id);
+    const isConcernedMember = okr.teamMember.userId === session.user.id;
+
+    return NextResponse.json({
+      ...okr,
+      permissions: {
+        isAdmin,
+        isConcernedMember,
+        canEdit: isAdmin || isConcernedMember,
+        canDelete: isAdmin,
+      },
+    });
   } catch (error) {
     console.error('Error fetching OKR:', error);
     return NextResponse.json(
@@ -49,13 +61,22 @@ export async function PATCH(request: Request, { params }: { params: Promise<{ id
       return NextResponse.json({ error: 'OKR non trouvé' }, { status: 404 });
     }
 
-    // Check if user is admin of the team
+    // Check if user is admin of the team or the concerned member
     const isAdmin = await isTeamAdmin(okr.teamMember.team.id, session.user.id);
-    if (!isAdmin) {
-      return NextResponse.json({ error: 'Seuls les administrateurs peuvent modifier les OKRs' }, { status: 403 });
+    const isConcernedMember = okr.teamMember.userId === session.user.id;
+    if (!isAdmin && !isConcernedMember) {
+      return NextResponse.json({ error: 'Seuls les administrateurs et le membre concerné peuvent modifier les OKRs' }, { status: 403 });
     }
 
-    const body: UpdateOKRInput & { startDate?: string; endDate?: string } = await request.json();
+    const body: UpdateOKRInput & { 
+      startDate?: string; 
+      endDate?: string;
+      keyResultsUpdates?: {
+        create?: Array<{ title: string; targetValue: number; unit: string; order: number }>;
+        update?: Array<{ id: string; title?: string; targetValue?: number; unit?: string; order?: number }>;
+        delete?: string[];
+      };
+    } = await request.json();
     
     // Convert date strings to Date objects if provided
     const updateData: UpdateOKRInput = { ...body };
@@ -66,7 +87,17 @@ export async function PATCH(request: Request, { params }: { params: Promise<{ id
       updateData.endDate = new Date(body.endDate);
     }
 
-    const updated = await updateOKR(id, updateData);
+    // Remove keyResultsUpdates from updateData as it's not part of UpdateOKRInput
+    const { keyResultsUpdates, ...okrUpdateData } = body;
+    const finalUpdateData: UpdateOKRInput = { ...okrUpdateData };
+    if (finalUpdateData.startDate) {
+      finalUpdateData.startDate = new Date(finalUpdateData.startDate as any);
+    }
+    if (finalUpdateData.endDate) {
+      finalUpdateData.endDate = new Date(finalUpdateData.endDate as any);
+    }
+
+    const updated = await updateOKR(id, finalUpdateData, keyResultsUpdates);
 
     return NextResponse.json(updated);
   } catch (error: any) {

src/app/teams/[id]/okrs/[okrId]/edit/page.tsx

@@ -0,0 +1,140 @@
+'use client';
+
+import { useState, useEffect } from 'react';
+import { useRouter, useParams } from 'next/navigation';
+import Link from 'next/link';
+import { OKRForm } from '@/components/okrs';
+import { Card } from '@/components/ui';
+import type { CreateOKRInput, TeamMember, OKR, KeyResult } from '@/lib/types';
+
+type OKRWithTeamMember = OKR & {
+  teamMember: {
+    user: {
+      id: string;
+      email: string;
+      name: string | null;
+    };
+    userId: string;
+    team: {
+      id: string;
+      name: string;
+    };
+  };
+};
+
+export default function EditOKRPage() {
+  const router = useRouter();
+  const params = useParams();
+  const teamId = params.id as string;
+  const okrId = params.okrId as string;
+  const [okr, setOkr] = useState<OKRWithTeamMember | null>(null);
+  const [teamMembers, setTeamMembers] = useState<TeamMember[]>([]);
+  const [loading, setLoading] = useState(true);
+
+  useEffect(() => {
+    // Fetch OKR and team members in parallel
+    Promise.all([
+      fetch(`/api/okrs/${okrId}`).then((res) => {
+        if (!res.ok) {
+          throw new Error('OKR not found');
+        }
+        return res.json();
+      }),
+      fetch(`/api/teams/${teamId}`).then((res) => res.json()),
+    ])
+      .then(([okrData, teamData]) => {
+        setOkr(okrData);
+        setTeamMembers(teamData.members || []);
+      })
+      .catch((error) => {
+        console.error('Error fetching data:', error);
+      })
+      .finally(() => {
+        setLoading(false);
+      });
+  }, [okrId, teamId]);
+
+  const handleSubmit = async (data: CreateOKRInput & { keyResultsUpdates?: { create?: any[]; update?: any[]; delete?: string[] } }) => {
+    // Convert to UpdateOKRInput format
+    const updateData = {
+      objective: data.objective,
+      description: data.description || undefined,
+      period: data.period,
+      startDate: typeof data.startDate === 'string' ? new Date(data.startDate) : data.startDate,
+      endDate: typeof data.endDate === 'string' ? new Date(data.endDate) : data.endDate,
+    };
+
+    const payload: any = {
+      ...updateData,
+      startDate: updateData.startDate.toISOString(),
+      endDate: updateData.endDate.toISOString(),
+    };
+
+    // Add Key Results updates if in edit mode
+    if (data.keyResultsUpdates) {
+      payload.keyResultsUpdates = data.keyResultsUpdates;
+    }
+
+    const response = await fetch(`/api/okrs/${okrId}`, {
+      method: 'PATCH',
+      headers: { 'Content-Type': 'application/json' },
+      body: JSON.stringify(payload),
+    });
+
+    if (!response.ok) {
+      const error = await response.json();
+      throw new Error(error.error || 'Erreur lors de la mise à jour de l\'OKR');
+    }
+
+    router.push(`/teams/${teamId}/okrs/${okrId}`);
+    router.refresh();
+  };
+
+  if (loading) {
+    return (
+      <main className="mx-auto max-w-4xl px-4 py-8">
+        <div className="text-center">Chargement...</div>
+      </main>
+    );
+  }
+
+  if (!okr) {
+    return (
+      <main className="mx-auto max-w-4xl px-4 py-8">
+        <div className="text-center">OKR non trouvé</div>
+      </main>
+    );
+  }
+
+  // Prepare initial data for the form
+  const initialData: Partial<CreateOKRInput> & { keyResults?: KeyResult[] } = {
+    teamMemberId: okr.teamMemberId,
+    objective: okr.objective,
+    description: okr.description || undefined,
+    period: okr.period,
+    startDate: okr.startDate,
+    endDate: okr.endDate,
+    keyResults: okr.keyResults || [],
+  };
+
+  return (
+    <main className="mx-auto max-w-4xl px-4 py-8">
+      <div className="mb-6">
+        <Link href={`/teams/${teamId}/okrs/${okrId}`} className="text-muted hover:text-foreground">
+          ← Retour à l'OKR
+        </Link>
+      </div>
+
+      <Card className="p-6">
+        <h1 className="text-2xl font-bold text-foreground mb-6">Modifier l'OKR</h1>
+        <OKRForm
+          teamMembers={teamMembers}
+          onSubmit={handleSubmit}
+          onCancel={() => router.push(`/teams/${teamId}/okrs/${okrId}`)}
+          initialData={initialData}
+        />
+      </Card>
+    </main>
+  );
+}
+

src/app/teams/[id]/okrs/[okrId]/page.tsx

@@ -55,6 +55,12 @@ type OKRWithTeamMember = OKR & {
       name: string;
     };
   };
+  permissions?: {
+    isAdmin: boolean;
+    isConcernedMember: boolean;
+    canEdit: boolean;
+    canDelete: boolean;
+  };
 };
 
 export default function OKRDetailPage() {
@@ -64,8 +70,6 @@ export default function OKRDetailPage() {
   const okrId = params.okrId as string;
   const [okr, setOkr] = useState<OKRWithTeamMember | null>(null);
   const [loading, setLoading] = useState(true);
-  const [isAdmin, setIsAdmin] = useState(false);
-  const [isConcernedMember, setIsConcernedMember] = useState(false);
 
   useEffect(() => {
     // Fetch OKR
@@ -78,10 +82,6 @@ export default function OKRDetailPage() {
       })
       .then((data) => {
         setOkr(data);
-        // Check if current user is admin or the concerned member
-        // This will be properly checked server-side, but we set flags for UI
-        setIsAdmin(data.teamMember?.team?.id ? true : false);
-        setIsConcernedMember(data.teamMember?.userId ? true : false);
       })
       .catch((error) => {
         console.error('Error fetching OKR:', error);
@@ -141,7 +141,8 @@ export default function OKRDetailPage() {
   const progress = okr.progress || 0;
   const progressColor =
     progress >= 75 ? 'var(--success)' : progress >= 25 ? 'var(--accent)' : 'var(--destructive)';
-  const canEdit = isAdmin || isConcernedMember;
+  const canEdit = okr.permissions?.canEdit ?? false;
+  const canDelete = okr.permissions?.canDelete ?? false;
 
   return (
     <main className="mx-auto max-w-4xl px-4 py-8">
@@ -222,19 +223,30 @@ export default function OKRDetailPage() {
           </div>
 
           {/* Actions */}
-          {isAdmin && (
+          {(canEdit || canDelete) && (
             <div className="mt-4 flex gap-2">
-              <Button
-                onClick={handleDelete}
-                variant="outline"
-                size="sm"
-                style={{
-                  color: 'var(--destructive)',
-                  borderColor: 'var(--destructive)',
-                }}
-              >
-                Supprimer
-              </Button>
+              {canEdit && (
+                <Button
+                  onClick={() => router.push(`/teams/${teamId}/okrs/${okrId}/edit`)}
+                  variant="outline"
+                  size="sm"
+                >
+                  Éditer
+                </Button>
+              )}
+              {canDelete && (
+                <Button
+                  onClick={handleDelete}
+                  variant="outline"
+                  size="sm"
+                  style={{
+                    color: 'var(--destructive)',
+                    borderColor: 'var(--destructive)',
+                  }}
+                >
+                  Supprimer
+                </Button>
+              )}
             </div>
           )}
         </CardContent>

src/app/teams/[id]/page.tsx

@@ -78,7 +78,7 @@ export default async function TeamDetailPage({ params }: TeamDetailPageProps) {
       </Card>
 
       {/* OKRs Section */}
-      <OKRsList okrsData={okrsData} teamId={id} />
+      <OKRsList okrsData={okrsData} teamId={id} isAdmin={isAdmin} />
     </main>
   );
 }

src/components/okrs/OKRCard.tsx

@@ -1,8 +1,11 @@
 'use client';
 
+import { useState, useTransition } from 'react';
+import { useRouter } from 'next/navigation';
 import Link from 'next/link';
 import { Card, CardContent, CardHeader, CardTitle } from '@/components/ui';
 import { Badge } from '@/components/ui';
+import { Button } from '@/components/ui';
 import { getGravatarUrl } from '@/lib/gravatar';
 import type { OKR, KeyResult, OKRStatus, KeyResultStatus } from '@/lib/types';
 import { OKR_STATUS_LABELS, KEY_RESULT_STATUS_LABELS } from '@/lib/types';
@@ -71,39 +74,104 @@ function getKeyResultStatusColor(status: KeyResultStatus): { bg: string; color:
 interface OKRCardProps {
   okr: OKR & { teamMember?: { user: { id: string; email: string; name: string | null } } };
   teamId: string;
+  isAdmin?: boolean;
 }
 
-export function OKRCard({ okr, teamId }: OKRCardProps) {
+export function OKRCard({ okr, teamId, isAdmin = false }: OKRCardProps) {
+  const router = useRouter();
+  const [isPending, startTransition] = useTransition();
   const progress = okr.progress || 0;
   const progressColor =
     progress >= 75 ? 'var(--success)' : progress >= 25 ? 'var(--accent)' : 'var(--destructive)';
 
+  const handleDelete = (e: React.MouseEvent) => {
+    e.preventDefault();
+    e.stopPropagation();
+
+    if (!confirm(`Êtes-vous sûr de vouloir supprimer l'OKR "${okr.objective}" ?`)) {
+      return;
+    }
+
+    startTransition(async () => {
+      try {
+        const response = await fetch(`/api/okrs/${okr.id}`, {
+          method: 'DELETE',
+        });
+
+        if (!response.ok) {
+          const error = await response.json();
+          alert(error.error || 'Erreur lors de la suppression de l\'OKR');
+          return;
+        }
+
+        router.refresh();
+      } catch (error) {
+        console.error('Error deleting OKR:', error);
+        alert('Erreur lors de la suppression de l\'OKR');
+      }
+    });
+  };
+
   return (
-    <Link href={`/teams/${teamId}/okrs/${okr.id}`}>
-      <Card hover className="h-full">
-        <CardHeader>
-          <div className="flex items-start justify-between">
-            <div className="flex-1">
-              <CardTitle className="flex items-center gap-2">
-                <span className="text-xl">🎯</span>
-                {okr.objective}
-              </CardTitle>
-              {okr.teamMember && (
-                <div className="mt-2 flex items-center gap-2">
-                  {/* eslint-disable-next-line @next/next/no-img-element */}
-                  <img
-                    src={getGravatarUrl(okr.teamMember.user.email, 96)}
-                    alt={okr.teamMember.user.name || okr.teamMember.user.email}
-                    width={24}
-                    height={24}
-                    className="rounded-full"
-                  />
-                  <span className="text-sm text-muted">
-                    {okr.teamMember.user.name || okr.teamMember.user.email}
-                  </span>
-                </div>
-              )}
+    <Card hover className="h-full relative group">
+      <CardHeader>
+        <div className="flex items-start justify-between gap-2">
+          <Link href={`/teams/${teamId}/okrs/${okr.id}`} className="flex-1 min-w-0">
+            <div className="flex items-start justify-between">
+              <div className="flex-1 pr-2">
+                <CardTitle className="flex items-center gap-2">
+                  <span className="text-xl">🎯</span>
+                  {okr.objective}
+                </CardTitle>
+                {okr.teamMember && (
+                  <div className="mt-2 flex items-center gap-2">
+                    {/* eslint-disable-next-line @next/next/no-img-element */}
+                    <img
+                      src={getGravatarUrl(okr.teamMember.user.email, 96)}
+                      alt={okr.teamMember.user.name || okr.teamMember.user.email}
+                      width={24}
+                      height={24}
+                      className="rounded-full"
+                    />
+                    <span className="text-sm text-muted">
+                      {okr.teamMember.user.name || okr.teamMember.user.email}
+                    </span>
+                  </div>
+                )}
+              </div>
             </div>
+          </Link>
+          
+          {/* Action Zone */}
+          <div className="flex items-center gap-2 flex-shrink-0 relative z-10">
+            {isAdmin && (
+              <button
+                onClick={handleDelete}
+                className="h-6 w-6 p-0 flex items-center justify-center rounded hover:bg-destructive/10 transition-colors flex-shrink-0"
+                style={{
+                  color: 'var(--destructive)',
+                  border: '1px solid color-mix(in srgb, var(--destructive) 40%, transparent)',
+                  backgroundColor: 'color-mix(in srgb, var(--destructive) 5%, transparent)',
+                }}
+                disabled={isPending}
+                title="Supprimer l'OKR"
+              >
+                <svg
+                  className="h-4 w-4"
+                  fill="none"
+                  stroke="currentColor"
+                  viewBox="0 0 24 24"
+                  xmlns="http://www.w3.org/2000/svg"
+                >
+                  <path
+                    strokeLinecap="round"
+                    strokeLinejoin="round"
+                    strokeWidth={2.5}
+                    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>
+            )}
             <Badge
               style={{
                 backgroundColor: 'color-mix(in srgb, var(--purple) 15%, transparent)',
@@ -113,7 +181,9 @@ export function OKRCard({ okr, teamId }: OKRCardProps) {
               {okr.period}
             </Badge>
           </div>
-        </CardHeader>
+        </div>
+      </CardHeader>
+      <Link href={`/teams/${teamId}/okrs/${okr.id}`}>
         <CardContent>
           <div className="space-y-3">
             {/* Progress Bar */}
@@ -202,8 +272,8 @@ export function OKRCard({ okr, teamId }: OKRCardProps) {
             )}
           </div>
         </CardContent>
-      </Card>
-    </Link>
+      </Link>
+    </Card>
   );
 }
 

src/components/okrs/OKRForm.tsx

@@ -5,7 +5,7 @@ import { Input } from '@/components/ui';
 import { Textarea } from '@/components/ui';
 import { Button } from '@/components/ui';
 import { Select } from '@/components/ui';
-import type { CreateOKRInput, CreateKeyResultInput, TeamMember } from '@/lib/types';
+import type { CreateOKRInput, CreateKeyResultInput, TeamMember, KeyResult } from '@/lib/types';
 import { PERIOD_SUGGESTIONS } from '@/lib/types';
 
 // Calcule les dates de début et de fin pour un trimestre donné
@@ -57,11 +57,15 @@ function getQuarterDates(period: string): { startDate: string; endDate: string }
   };
 }
 
+interface KeyResultEditInput extends CreateKeyResultInput {
+  id?: string; // If present, it's an existing Key Result to update
+}
+
 interface OKRFormProps {
   teamMembers: TeamMember[];
-  onSubmit: (data: CreateOKRInput) => Promise<void>;
+  onSubmit: (data: CreateOKRInput & { keyResultsUpdates?: { create?: CreateKeyResultInput[]; update?: Array<{ id: string; title?: string; targetValue?: number; unit?: string; order?: number }>; delete?: string[] } }) => Promise<void>;
   onCancel: () => void;
-  initialData?: Partial<CreateOKRInput>;
+  initialData?: Partial<CreateOKRInput> & { keyResults?: KeyResult[] };
 }
 
 export function OKRForm({ teamMembers, onSubmit, onCancel, initialData }: OKRFormProps) {
@@ -76,11 +80,19 @@ export function OKRForm({ teamMembers, onSubmit, onCancel, initialData }: OKRFor
   const [endDate, setEndDate] = useState(
     initialData?.endDate ? new Date(initialData.endDate).toISOString().split('T')[0] : ''
   );
-  const [keyResults, setKeyResults] = useState<CreateKeyResultInput[]>(
-    initialData?.keyResults || [
-      { title: '', targetValue: 100, unit: '%', order: 0 },
-    ]
-  );
+  // Initialize Key Results from existing ones if in edit mode, otherwise start with one empty
+  const [keyResults, setKeyResults] = useState<KeyResultEditInput[]>(() => {
+    if (initialData?.keyResults && initialData.keyResults.length > 0) {
+      return initialData.keyResults.map((kr) => ({
+        id: kr.id,
+        title: kr.title,
+        targetValue: kr.targetValue,
+        unit: kr.unit,
+        order: kr.order,
+      }));
+    }
+    return [{ title: '', targetValue: 100, unit: '%', order: 0 }];
+  });
   const [submitting, setSubmitting] = useState(false);
 
   // Mise à jour automatique des dates quand la période change
@@ -113,7 +125,7 @@ export function OKRForm({ teamMembers, onSubmit, onCancel, initialData }: OKRFor
     setKeyResults(keyResults.filter((_, i) => i !== index).map((kr, i) => ({ ...kr, order: i })));
   };
 
-  const updateKeyResult = (index: number, field: keyof CreateKeyResultInput, value: any) => {
+  const updateKeyResult = (index: number, field: keyof KeyResultEditInput, value: any) => {
     const updated = [...keyResults];
     updated[index] = { ...updated[index], [field]: value };
     setKeyResults(updated);
@@ -127,6 +139,7 @@ export function OKRForm({ teamMembers, onSubmit, onCancel, initialData }: OKRFor
       return;
     }
 
+    // Validate Key Results
     if (keyResults.some((kr) => !kr.title || kr.targetValue <= 0)) {
       alert('Tous les Key Results doivent avoir un titre et une valeur cible > 0');
       return;
@@ -150,15 +163,86 @@ export function OKRForm({ teamMembers, onSubmit, onCancel, initialData }: OKRFor
         return;
       }
 
-      await onSubmit({
-        teamMemberId,
-        objective,
-        description: description || undefined,
-        period: finalPeriod,
-        startDate: startDateObj.toISOString() as any,
-        endDate: endDateObj.toISOString() as any,
-        keyResults: keyResults.map((kr, i) => ({ ...kr, order: i })),
-      });
+      const isEditMode = !!initialData?.teamMemberId;
+      
+      if (isEditMode) {
+        // In edit mode, separate existing Key Results from new ones
+        const existingKeyResults = keyResults.filter((kr) => kr.id);
+        const newKeyResults = keyResults.filter((kr) => !kr.id);
+        const originalKeyResults = initialData?.keyResults || [];
+        const originalIds = new Set(originalKeyResults.map((kr) => kr.id));
+        const currentIds = new Set(existingKeyResults.map((kr) => kr.id));
+        
+        // Find deleted Key Results
+        const deletedIds = Array.from(originalIds).filter((id) => !currentIds.has(id));
+        
+        // Find updated Key Results (compare with original)
+        const updated = existingKeyResults
+          .map((kr) => {
+            const original = originalKeyResults.find((okr) => okr.id === kr.id);
+            if (!original) return null;
+            
+            const changes: { id: string; title?: string; targetValue?: number; unit?: string; order?: number } = { id: kr.id };
+            if (original.title !== kr.title) changes.title = kr.title;
+            if (original.targetValue !== kr.targetValue) changes.targetValue = kr.targetValue;
+            if (original.unit !== kr.unit) changes.unit = kr.unit;
+            if (original.order !== kr.order) changes.order = kr.order;
+            
+            return Object.keys(changes).length > 1 ? changes : null; // More than just 'id'
+          })
+          .filter((u): u is { id: string; title?: string; targetValue?: number; unit?: string; order?: number } => u !== null);
+        
+        // Update order for all Key Results based on their position
+        const allKeyResultsWithOrder = keyResults.map((kr, i) => ({ ...kr, order: i }));
+        const existingWithOrder = allKeyResultsWithOrder.filter((kr) => kr.id);
+        const newWithOrder = allKeyResultsWithOrder.filter((kr) => !kr.id);
+        
+        // Update order for existing Key Results that changed position
+        const orderUpdates = existingWithOrder
+          .map((kr) => {
+            const original = originalKeyResults.find((okr) => okr.id === kr.id);
+            if (!original || original.order === kr.order) return null;
+            return { id: kr.id, order: kr.order };
+          })
+          .filter((u): u is { id: string; order: number } => u !== null);
+        
+        // Merge order updates with other updates
+        const allUpdates = [...updated];
+        orderUpdates.forEach((orderUpdate) => {
+          const existingUpdate = allUpdates.find((u) => u.id === orderUpdate.id);
+          if (existingUpdate) {
+            existingUpdate.order = orderUpdate.order;
+          } else {
+            allUpdates.push(orderUpdate);
+          }
+        });
+        
+        await onSubmit({
+          teamMemberId,
+          objective,
+          description: description || undefined,
+          period: finalPeriod,
+          startDate: startDateObj.toISOString() as any,
+          endDate: endDateObj.toISOString() as any,
+          keyResults: [], // Not used in edit mode
+          keyResultsUpdates: {
+            create: newWithOrder.length > 0 ? newWithOrder.map((kr) => ({ title: kr.title, targetValue: kr.targetValue, unit: kr.unit || '%', order: kr.order })) : undefined,
+            update: allUpdates.length > 0 ? allUpdates : undefined,
+            delete: deletedIds.length > 0 ? deletedIds : undefined,
+          },
+        } as any);
+      } else {
+        // In create mode, just send Key Results normally
+        await onSubmit({
+          teamMemberId,
+          objective,
+          description: description || undefined,
+          period: finalPeriod,
+          startDate: startDateObj.toISOString() as any,
+          endDate: endDateObj.toISOString() as any,
+          keyResults: keyResults.map((kr, i) => ({ ...kr, order: i })),
+        });
+      }
     } catch (error) {
       console.error('Error submitting OKR:', error);
     } finally {
@@ -273,7 +357,7 @@ export function OKRForm({ teamMembers, onSubmit, onCancel, initialData }: OKRFor
         </div>
         <div className="space-y-4">
           {keyResults.map((kr, index) => (
-            <div key={index} className="rounded-lg border border-border bg-card p-4">
+            <div key={kr.id || `new-${index}`} className="rounded-lg border border-border bg-card p-4">
               <div className="mb-3 flex items-center justify-between">
                 <span className="text-sm font-medium text-foreground">Key Result {index + 1}</span>
                 {keyResults.length > 1 && (
@@ -331,7 +415,13 @@ export function OKRForm({ teamMembers, onSubmit, onCancel, initialData }: OKRFor
           disabled={submitting}
           className="bg-[var(--purple)] text-white hover:opacity-90 border-transparent"
         >
-          {submitting ? 'Création...' : 'Créer l\'OKR'}
+          {submitting
+            ? initialData?.teamMemberId
+              ? 'Modification...'
+              : 'Création...'
+            : initialData?.teamMemberId
+              ? 'Modifier l\'OKR'
+              : 'Créer l\'OKR'}
         </Button>
       </div>
     </form>

src/components/okrs/OKRsList.tsx

@@ -18,9 +18,10 @@ interface OKRsListProps {
     okrs: Array<OKR & { progress?: number }>;
   }>;
   teamId: string;
+  isAdmin?: boolean;
 }
 
-export function OKRsList({ okrsData, teamId }: OKRsListProps) {
+export function OKRsList({ okrsData, teamId, isAdmin = false }: OKRsListProps) {
   const [viewMode, setViewMode] = useState<ViewMode>('grouped');
 
   // Flatten OKRs for grid view
@@ -123,6 +124,7 @@ export function OKRsList({ okrsData, teamId }: OKRsListProps) {
                         },
                       }}
                       teamId={teamId}
+                      isAdmin={isAdmin}
                     />
                   ))}
                 </div>
@@ -133,7 +135,7 @@ export function OKRsList({ okrsData, teamId }: OKRsListProps) {
         /* Grid View */
         <div className="grid gap-6 md:grid-cols-2 lg:grid-cols-3">
           {allOKRs.map((okr) => (
-            <OKRCard key={okr.id} okr={okr} teamId={teamId} />
+            <OKRCard key={okr.id} okr={okr} teamId={teamId} isAdmin={isAdmin} />
           ))}
         </div>
       )}

src/services/okrs.ts

@@ -1,5 +1,5 @@
 import { prisma } from '@/services/database';
-import type { CreateOKRInput, UpdateOKRInput, UpdateKeyResultInput, OKRStatus, KeyResultStatus } from '@/lib/types';
+import type { UpdateOKRInput, OKRStatus, KeyResultStatus } from '@/lib/types';
 
 export async function createOKR(
   teamMemberId: string,
@@ -183,30 +183,105 @@ export async function getUserOKRs(userId: string) {
   );
 }
 
-export async function updateOKR(okrId: string, data: UpdateOKRInput) {
-  const okr = await prisma.oKR.update({
-    where: { id: okrId },
-    data: {
-      ...(data.objective !== undefined && { objective: data.objective }),
-      ...(data.description !== undefined && { description: data.description || null }),
-      ...(data.period !== undefined && { period: data.period }),
-      ...(data.startDate !== undefined && { startDate: data.startDate }),
-      ...(data.endDate !== undefined && { endDate: data.endDate }),
-      ...(data.status !== undefined && { status: data.status }),
-    },
-    include: {
-      keyResults: {
-        orderBy: {
-          order: 'asc',
+export async function updateOKR(
+  okrId: string,
+  data: UpdateOKRInput,
+  keyResultsUpdates?: {
+    create?: Array<{ title: string; targetValue: number; unit: string; order: number }>;
+    update?: Array<{
+      id: string;
+      title?: string;
+      targetValue?: number;
+      unit?: string;
+      order?: number;
+    }>;
+    delete?: string[];
+  }
+) {
+  return prisma.$transaction(async (tx) => {
+    // Update OKR
+    await tx.oKR.update({
+      where: { id: okrId },
+      data: {
+        ...(data.objective !== undefined && { objective: data.objective }),
+        ...(data.description !== undefined && { description: data.description || null }),
+        ...(data.period !== undefined && { period: data.period }),
+        ...(data.startDate !== undefined && { startDate: data.startDate }),
+        ...(data.endDate !== undefined && { endDate: data.endDate }),
+        ...(data.status !== undefined && { status: data.status }),
+      },
+    });
+
+    // Handle Key Results updates if provided
+    if (keyResultsUpdates) {
+      // Delete Key Results
+      if (keyResultsUpdates.delete && keyResultsUpdates.delete.length > 0) {
+        await tx.keyResult.deleteMany({
+          where: {
+            id: { in: keyResultsUpdates.delete },
+            okrId,
+          },
+        });
+      }
+
+      // Create new Key Results
+      if (keyResultsUpdates.create && keyResultsUpdates.create.length > 0) {
+        await Promise.all(
+          keyResultsUpdates.create.map((kr) =>
+            tx.keyResult.create({
+              data: {
+                okrId,
+                title: kr.title,
+                targetValue: kr.targetValue,
+                currentValue: 0,
+                unit: kr.unit || '%',
+                status: 'NOT_STARTED',
+                order: kr.order,
+              },
+            })
+          )
+        );
+      }
+
+      // Update existing Key Results
+      if (keyResultsUpdates.update && keyResultsUpdates.update.length > 0) {
+        await Promise.all(
+          keyResultsUpdates.update.map((kr) =>
+            tx.keyResult.update({
+              where: { id: kr.id },
+              data: {
+                ...(kr.title !== undefined && { title: kr.title }),
+                ...(kr.targetValue !== undefined && { targetValue: kr.targetValue }),
+                ...(kr.unit !== undefined && { unit: kr.unit }),
+                ...(kr.order !== undefined && { order: kr.order }),
+              },
+            })
+          )
+        );
+      }
+    }
+
+    // Fetch updated OKR with Key Results
+    const updatedOkr = await tx.oKR.findUnique({
+      where: { id: okrId },
+      include: {
+        keyResults: {
+          orderBy: {
+            order: 'asc',
+          },
         },
       },
-    },
-  });
+    });
 
-  return {
-    ...okr,
-    progress: calculateOKRProgressFromKeyResults(okr.keyResults),
-  };
+    if (!updatedOkr) {
+      throw new Error('OKR not found after update');
+    }
+
+    return {
+      ...updatedOkr,
+      progress: calculateOKRProgressFromKeyResults(updatedOkr.keyResults),
+    };
+  });
 }
 
 export async function deleteOKR(okrId: string) {
@@ -216,6 +291,47 @@ export async function deleteOKR(okrId: string) {
   });
 }
 
+export async function createKeyResult(
+  okrId: string,
+  title: string,
+  targetValue: number,
+  unit: string,
+  order: number
+) {
+  return prisma.keyResult.create({
+    data: {
+      okrId,
+      title,
+      targetValue,
+      currentValue: 0,
+      unit: unit || '%',
+      status: 'NOT_STARTED',
+      order,
+    },
+  });
+}
+
+export async function updateKeyResultMetadata(
+  krId: string,
+  data: { title?: string; targetValue?: number; unit?: string; order?: number }
+) {
+  return prisma.keyResult.update({
+    where: { id: krId },
+    data: {
+      ...(data.title !== undefined && { title: data.title }),
+      ...(data.targetValue !== undefined && { targetValue: data.targetValue }),
+      ...(data.unit !== undefined && { unit: data.unit }),
+      ...(data.order !== undefined && { order: data.order }),
+    },
+  });
+}
+
+export async function deleteKeyResult(krId: string) {
+  return prisma.keyResult.delete({
+    where: { id: krId },
+  });
+}
+
 export async function updateKeyResult(krId: string, currentValue: number, notes: string | null) {
   // Auto-update status based on progress
   const kr = await prisma.keyResult.findUnique({
@@ -293,7 +409,9 @@ export function calculateOKRProgress(okrId: string): Promise<number> {
     });
 }
 
-function calculateOKRProgressFromKeyResults(keyResults: Array<{ currentValue: number; targetValue: number }>): number {
+function calculateOKRProgressFromKeyResults(
+  keyResults: Array<{ currentValue: number; targetValue: number }>
+): number {
   if (keyResults.length === 0) {
     return 0;
   }
@@ -305,4 +423,3 @@ function calculateOKRProgressFromKeyResults(keyResults: Array<{ currentValue: nu
 
   return Math.round(totalProgress / keyResults.length);
 }
-