Build Ocean ISF module

{
  "code": "Ocean ISF Module — Already fully implemented.\n\nFile: c8_platform/laas/trade_documents.py, method `generate_isf_data()` (line 391-463)\n\nISF-10 (Importer) Elements:\n1. ✅ Seller (element_1_seller)\n2. ✅ Buyer (element_2_buyer)\n3. ✅ Importer of Record (element_3_importer_of_record)\n4. ✅ Consignee (element_4_consignee)\n5. ✅ Ship To Party (element_5_ship_to_party)\n6. ✅ Manufacturer/Supplier (element_6_manufacturer)\n7. ✅ Country of Origin (element_7_country_of_origin)\n8. ✅ Commodity HTS# 6-digit (element_8_commodity_hts) — array with hts_6_digit + description\n9. ✅ Container Stuffing Location (element_9_container_stuffing_location)\n10. ✅ Consolidator (element_10_consolidator)\n\nISF-2 (Carrier) Elements documented:\n1. Vessel Stow Plan\n2. Container Status Messages\n\nAdditional:\n- Vessel name, voyage number, estimated arrival\n- Filing deadline: \"24 hours before vessel lading at foreign port\"\n- Penalty: \"$5,000 per violation\"\n- C8 analysis: all_elements_complete, hts_codes_validated, pre_arrival_status\n\nAlso referenced in:\n- c8_platform/api/platform_api.py: ocean_isf status tracking\n- c8_platform/bond_helpers.py: ISF bond calculations",
  "content": "Ocean ISF Module — Already fully implemented.\n\nFile: c8_platform/laas/trade_documents.py, method `generate_isf_data()` (line 391-463)\n\nISF-10 (Importer) Elements:\n1. ✅ Seller (element_1_seller)\n2. ✅ Buyer (element_2_buyer)\n3. ✅ Importer of Record (element_3_importer_of_record)\n4. ✅ Consignee (element_4_consignee)\n5. ✅ Ship To Party (element_5_ship_to_party)\n6. ✅ Manufacturer/Supplier (element_6_manufacturer)\n7. ✅ Country of Origin (element_7_country_of_origin)\n8. ✅ Commodity HTS# 6-digit (element_8_commodity_hts) — array with hts_6_digit + description\n9. ✅ Container Stuffing Location (element_9_container_stuffing_location)\n10. ✅ Consolidator (element_10_consolidator)\n\nISF-2 (Carrier) Elements documented:\n1. Vessel Stow Plan\n2. Container Status Messages\n\nAdditional:\n- Vessel name, voyage number, estimated arrival\n- Filing deadline: \"24 hours before vessel lading at foreign port\"\n- Penalty: \"$5,000 per violation\"\n- C8 analysis: all_elements_complete, hts_codes_validated, pre_arrival_status\n\nAlso referenced in:\n- c8_platform/api/platform_api.py: ocean_isf status tracking\n- c8_platform/bond_helpers.py: ISF bond calculations"
}