1. Mark X0-559 / Z0-439 as the full...

1. Mark X0-559 / Z0-439 as the full project rectangle. 2. Stake the future Phase 9 wall alignment at X40/X519 and Z40/Z399; do not build it yet. 3. Terraform X80-479 / Z80-359 as one continuous city platform with top surface Y80. 4. Cut north-south canal: X270-289, Z80-191 and Z264-359; floor Y58, water Y62. 5. Cut upper east-west canal arms: X80-259 and X300-479 across Z160-175; floor Y58, water Y62. 6. Cut lower east-west canal arms: X80-259 and X300-479 across Z264-279; floor Y58, water Y62. 7. Keep the central spine X260-299 / Z192-263 solid at Y80/Y81 for factory, plaza and circulation. 8. Line exposed canal edges with retaining walls from roughly Y58 to Y79; add supports every 8-12 blocks where needed. 9. Build bridge/road decks at Y81 where the master-plan corridors cross ca