In Meridian, Idaho, a proposed housing project on farmland near the Boise River is facing fierce opposition from nearby residents, who say it could burden local roads, delay emergency responders, and transform a rural part of the city in ways they never expected. What's happening? At the center of the dispute is Ibaia, a master-planned community Brighton Corp. wants Meridian to annex. The site covers nearly 600 acres north of Chinden Boulevard n…