fix(blockchain-service): 添加 --accept-data-loss 参数

prisma db push 需要此参数来接受精度变更

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Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>

backend/services/blockchain-service/Dockerfile

@@ -65,7 +65,7 @@ COPY --chown=nestjs:nodejs --from=builder /app/dist ./dist
 RUN echo '#!/bin/sh\n\
 set -e\n\
 echo "Syncing database schema..."\n\
-npx prisma db push --skip-generate\n\
+npx prisma db push --skip-generate --accept-data-loss\n\
 echo "Starting application..."\n\
 exec node dist/main.js\n' > /app/start.sh && chmod +x /app/start.sh