Try npm install with --ignore-scripts for backend

Postinstall scripts might be failing, try skipping them.

Co-Authored-By: Claude <noreply@anthropic.com>

Dockerfile

@@ -2,7 +2,7 @@ FROM node:20-slim
 
 ENV DEBIAN_FRONTEND=noninteractive
 
-# Build timestamp: 2026-01-13T00:10
+# Build timestamp: 2026-01-13T00:15
 
 # Minimal test - just check if files exist
 WORKDIR /app
@@ -27,10 +27,10 @@ RUN echo "Step 4: esbuild installed"
 RUN npm install --omit=dev
 RUN echo "Step 5: Root deps installed"
 
-# Install backend deps - show full output
+# Install backend deps - try with --ignore-scripts
 RUN echo "Step 6: Starting backend npm install..." && \
     cd backend && \
-    npm install --omit=dev 2>&1 && \
+    npm install --omit=dev --ignore-scripts 2>&1 && \
     echo "Step 6: Backend deps installed successfully" || \
     (echo "Step 6: Backend npm install FAILED" && exit 1)