feat: compile and use seed.js for database seeding in entrypoint script

Dockerfile

@@ -15,6 +15,14 @@ ENV NEXT_TELEMETRY_DISABLED=1
 # Generate Prisma client (reads prisma/schema.prisma + prisma.config.ts)
 RUN npx prisma generate
 
+# Compile seed.ts → seed.js (esbuild ships with Next.js)
+RUN node_modules/.bin/esbuild prisma/seed.ts \
+    --bundle \
+    --platform=node \
+    --format=cjs \
+    --packages=external \
+    --outfile=prisma/seed.js
+
 # Build Next.js — produces .next/standalone (set in next.config.mjs)
 RUN npm run build
 
@@ -41,7 +49,7 @@ COPY --from=builder --chown=nextjs:nodejs /app/public           ./public
 # Config, schema, and seed script
 COPY --from=builder --chown=nextjs:nodejs /app/prisma.config.ts     ./
 COPY --from=builder --chown=nextjs:nodejs /app/prisma/schema.prisma ./prisma/
-COPY --from=builder --chown=nextjs:nodejs /app/prisma/seed.ts       ./prisma/
+COPY --from=builder --chown=nextjs:nodejs /app/prisma/seed.js       ./prisma/
 
 # Generated Prisma client (imported by the compiled Next.js server bundle)
 COPY --from=builder --chown=nextjs:nodejs /app/src/generated ./src/generated