Fix build errors by correctly installing development dependencies

Update Dockerfile to install all npm dependencies including devDependencies by removing `--omit=dev` from `npm ci` and `npm install` commands.

Replit-Commit-Author: Agent
Replit-Commit-Session-Id: ae4037a0-2a6f-4530-9bac-79b543286bda
Replit-Commit-Checkpoint-Type: full_checkpoint
Replit-Commit-Screenshot-Url: https://storage.googleapis.com/screenshot-production-us-central1/397bca8c-984f-43ff-841a-10897aeb8140/ae4037a0-2a6f-4530-9bac-79b543286bda/RUoRc2A

Dockerfile

@@ -44,8 +44,9 @@ RUN apk add --no-cache \
     pixman
 
 # Installer toutes les dépendances (drizzle-kit est nécessaire pour push)
+# IMPORTANT: Ne pas utiliser --omit=dev car drizzle-kit est dans devDependencies
 COPY package*.json ./
-RUN npm ci --legacy-peer-deps --omit=dev || npm install --legacy-peer-deps --omit=dev
+RUN npm ci --legacy-peer-deps || npm install --legacy-peer-deps
 
 # Copier les fichiers buildés et le code serveur
 COPY --from=builder /app/dist ./dist