0hmX/am3352

scripts/compensate-ddr-clock-e7-host.ts

/** Replay the existing D7 chamfered excursion with the measured E7 local delta. */
import { readFileSync, writeFileSync, mkdirSync } from 'node:fs'
import { resolve } from 'node:path'
import { objectHash as hash } from './improve-ddr-a9-power-launches'
import { addWestwardTuningExcursion } from './tune-ddr-data-mask'
import { auditCompositeHostTopology } from './ddr-composite-routing-context'
import { auditRouteAngles } from './check-route-angles'
import { auditDdrTraceJunctions } from './check-ddr-system-copper'
const parent=resolve('dist/ddr-twenty-one-power58-current'), local=resolve('dist/ddr-clock-e7-local'), out=resolve('dist/ddr-clock-e7-compensated'), read=(p:string)=>JSON.parse(readFileSync(p,'utf8'))
const original=read(parent+'/candidate.circuit.json'), report=read(parent+'/report.json'), hosts=read(parent+'/host-bundle.json'), input=read(parent+'/routing-input.json'), base=read(local+'/candidate.diagnostic.circuit.json'), localReport=read(local+'/report.json'), inputEvidence=read(local+'/input-evidence.json'), localChange=read(local+'/e7-replacement.json'), oldRecipe=read('dist/ddr-dq7-ordered-retuned/report.json').recipe, originalHost=read('dist/ddr-dq7-ordered-retuned/dq7-replacement.json').before
if(hash(original)!==report.candidateCircuitSha256||hash(original)!==localReport.parentCandidateSha256||hash(hosts.traces)!==inputEvidence.retainedHostsSha256)throw Error('Parent provenance mismatch')
const before=hosts.traces.find((t:any)=>t.source_trace_id==='source_trace_582'), planar=(r:any[])=>r.slice(1).reduce((s:number,b:any,i:number)=>{const a=r[i];return s+(a.route_type==='wire'&&b.route_type==='wire'&&a.layer===b.layer?Math.hypot(a.x-b.x,a.y-b.y):0)},0), reverse=(t:any)=>({...t,route:[...t.route].reverse()}), regenerate=(added:number)=>reverse(addWestwardTuningExcursion(reverse(originalHost),oldRecipe.index,oldRecipe.entry,oldRecipe.exit,added,oldRecipe.sign)), currentAdded=planar(before.route)-planar(originalHost.route), replay=regenerate(currentAdded)
if(replay.route.length!==before.route.length||replay.route.some((p:any,i:number)=>Math.hypot(p.x-before.route[i].x,p.y-before.route[i].y)>1e-8||p.layer!==before.route[i].layer||p.width!==before.route[i].width))throw Error('Current D7 no longer matches authoritative existing excursion')
const delta=planar(localChange.before.route)-planar(localChange.after.route), after={...before,route:regenerate(currentAdded+delta).route}
if(delta<=0||hash(after.route[0])!==hash(before.route[0])||hash(after.route.at(-1))!==hash(before.route.at(-1))||Math.abs(planar(after.route)-planar(before.route)-delta)>1e-8)throw Error('Compensation endpoint or length mismatch')
const candidate=base.map((e:any)=>e.type==='pcb_trace'&&e.pcb_trace_id===before.pcb_trace_id?after:e), traces=hosts.traces.map((e:any)=>e.pcb_trace_id===before.pcb_trace_id?after:e), connections=input.connections.map((n:any)=>({...n,pointsToConnect:n.pointsToConnect.map((p:any)=>{const e=candidate.find((e:any)=>e.type==='pcb_breakout_point'&&e.pcb_breakout_point_id===p.pointId);return e?{...p,x:e.x,y:e.y,layer:e.layer}:p})})), topology=auditCompositeHostTopology(candidate,traces,connections), angles=auditRouteAngles(candidate.filter((e:any)=>e.type==='pcb_trace')), joins=auditDdrTraceJunctions(candidate,connections)
const bounds=(traces:any[])=>{const points=traces.flatMap(t=>t.route.map((p:any)=>({x:p.x,y:p.y,r:p.route_type==='via'?p.via_diameter/2:(p.width??t.width??.12)/2})));return {minX:Math.min(...points.map(p=>p.x-p.r)),maxX:Math.max(...points.map(p=>p.x+p.r)),minY:Math.min(...points.map(p=>p.y-p.r)),maxY:Math.max(...points.map(p=>p.y+p.r))}}
const cacheBounds=[3,5].map(g=>{const select=(c:any[])=>c.filter(e=>e.type==='pcb_trace'&&e.pcb_trace_id.startsWith(`saved_fanout_pcb_group_${g}_`)),old=bounds(select(original)),next=bounds(select(candidate));return {group:g,before:old,after:next,noGrowth:next.minX>=old.minX-1e-8&&next.maxX<=old.maxX+1e-8&&next.minY>=old.minY-1e-8&&next.maxY<=old.maxY+1e-8}})
mkdirSync(out,{recursive:true});const write=(n:string,v:any)=>writeFileSync(out+'/'+n,JSON.stringify(v,null,2)+'\n');write('report.json',{accepted:false,hostCompensationValid:topology.valid&&angles.valid&&joins.valid,parentCandidateSha256:hash(original),diagnosticParentSha256:hash(base),candidateCircuitSha256:hash(candidate),previousHostSha256:hash(hosts.traces),hostTracesSha256:hash(traces),hostCount:traces.length,preservedOtherHosts:traces.length-1,deltaMm:delta,beforeHostMm:planar(before.route),afterHostMm:planar(after.route),localBeforeMm:planar(localChange.before.route),localAfterMm:planar(localChange.after.route),totalDeltaMm:planar(after.route)-planar(before.route)-delta,recipe:{...oldRecipe,currentAdded,newAdded:currentAdded+delta},cacheBounds,topology,angles,joins,scope:'D7 host and E7 local compensation verified against actual proposed copper. Full clock-plane qualification remains pending; not accepted.'});write('candidate.diagnostic.circuit.json',candidate);write('host-bundle.json',{...hosts,traces});write('routing-input.json',{...input,connections,traces});write('host-replacement.json',{id:`pcb_trace:${before.pcb_trace_id}`,before,after,beforeSha256:hash(before),afterSha256:hash(after),reason:'Existing chamfered excursion compensates measured shorter RAM0 E7 escape exactly.'})
console.log(JSON.stringify({hostCompensationValid:topology.valid&&angles.valid&&joins.valid,delta,cacheBounds,errors:topology.errors,violations:topology.physical.violations.map((v:any)=>({layer:v.layer,gap:v.gapMm,a:v.aShape.traceId,b:v.bShape.traceId})),candidateHash:hash(candidate)}))
if(hash(read(parent+'/candidate.circuit.json'))!==hash(original)||hash(read(local+'/candidate.diagnostic.circuit.json'))!==hash(base))throw Error('Input changed')