Add BIPUploadModule to process product orders and generate BIP upload format:
- Read order data from [产品订单] worksheet
- Extract BOM using existing BomExtractor and ProductModelParser
- Output to [BIP上传模板] with formatted fields:
- Source document number, product code, quantity
- Line number (base 7000 + index)
- Material code (66 code from BOM)
- Supply method, required date, issue organization
- Planned outbound quantity, remarks for errors
Co-Authored-By: Claude Sonnet 4.5 <noreply@anthropic.com>