0hmX/am3352

scripts/anchor-ddr-host-endpoints.ts

import {resolveDdrTraceNet} from './ddr-verified-seed'

/** Undo solver coordinate rounding at declared terminals before generating 45°
 * geometry. Resolve the real breakout layer, never a projected routing layer.
 * Internal trunk vertices are left alone. This does not authorize any copper. */
export function anchorDdrHostEndpoints(trace:any, connections:any[], original:any[]) {
 const name=resolveDdrTraceNet(trace,connections)
 const connection=connections.find(c=>c.name===name)
 if(!connection)throw Error(`Missing endpoint contract for ${name}`)
 const terminals=connection.pointsToConnect.map((p:any)=>{
  const exit=original.find(e=>e.type==='pcb_breakout_point'&&e.pcb_breakout_point_id===p.pointId)
  if(!exit)throw Error(`Missing original terminal ${p.pointId}`)
  return exit
 })
 const copy=structuredClone(trace), corrections:any[]=[]
 for(const index of [...new Set([0,copy.route.length-1])]){
  const p=copy.route[index];if(p?.route_type!=='wire')continue
  const matches=terminals.filter((t:any)=>t.layer===p.layer&&Math.hypot(t.x-p.x,t.y-p.y)<=.001)
  if(matches.length>1)throw Error(`Ambiguous rounded terminal for ${name}`)
  const exact=matches[0];if(!exact)continue
  if(p.x!==exact.x||p.y!==exact.y){
   corrections.push({index,pointId:exact.pcb_breakout_point_id,from:{x:p.x,y:p.y},to:{x:exact.x,y:exact.y}})
   p.x=exact.x;p.y=exact.y
  }
 }
 return {trace:copy,corrections}
}