fix: 改用 sqlite3 原生工具做 schema 同步，替代不可靠的 prisma CLI 方案

Dockerfile

@@ -25,6 +25,7 @@ RUN npm run build
 FROM base AS runner
 WORKDIR /app
 ENV NODE_ENV=production
+RUN apk add --no-cache sqlite
 RUN addgroup --system --gid 1001 nodejs
 RUN adduser --system --uid 1001 nextjs
 
@@ -35,10 +36,6 @@ COPY --from=builder /app/prisma/template.db ./template.db
 COPY --from=builder --chown=nextjs:nodejs /app/.next/standalone ./
 COPY --from=builder --chown=nextjs:nodejs /app/.next/static ./.next/static
 
-# Prisma CLI + schema engine for automatic schema migration on startup
-COPY --from=builder /app/node_modules/prisma ./node_modules/prisma
-COPY --from=builder /app/node_modules/@prisma/engines ./node_modules/@prisma/engines
-
 COPY docker-entrypoint.sh ./
 RUN chmod +x docker-entrypoint.sh