0hmX/am3352

scripts/retry-ddr-dq6-after-inner6-dq1.ts

/** Exact tuned-DQ1 reservation and revalidation of an existing DQ6 template. */
import{readFileSync,writeFileSync,mkdirSync}from'node:fs';import{resolve}from'node:path';import{createHash}from'node:crypto';import{objectHash as hash}from'./improve-ddr-a9-power-launches';import{verifyDdrSystemCopper}from'./check-ddr-system-copper';import{auditCompositeHostTopology}from'./ddr-composite-routing-context';import{planDdrGroundAntipads}from'./ddr-ground-plane-antipads';
const parent=resolve('dist/ddr-twelve-dq1-connected'),out=resolve('dist/ddr-dq6-after-inner6-dq1-parent'),transition=resolve('dist/ddr-dq6-after-inner6-dq1-transition'),read=(p:string)=>JSON.parse(readFileSync(p,'utf8')),c=read(parent+'/candidate.circuit.json'),host=read(parent+'/host-bundle.json'),prior=read(parent+'/report.json'),input=read(parent+'/routing-input.json'),mp=resolve('dist/ddr-dq1-retuned/original-copper-replacements.json'),m=read(mp),change=m.replacements[0],oldPlanPath=resolve('dist/ddr-d6-outside-transition-long/transition-plan.json'),old=read(oldPlanPath),fileHash=(p:string)=>createHash('sha256').update(readFileSync(p)).digest('hex');
if(m.captureHash!==prior.captureHash||m.replacements.length!==1||hash(c.find((t:any)=>t.pcb_trace_id===change.before.pcb_trace_id))!==hash(change.before)||hash(host.traces.find((t:any)=>t.pcb_trace_id===change.before.pcb_trace_id))!==hash(change.before))throw Error('DQ1 replacement differs');
const candidate=c.map((t:any)=>t.pcb_trace_id===change.before.pcb_trace_id?change.after:t),h={...host,traces:host.traces.map((t:any)=>t.pcb_trace_id===change.before.pcb_trace_id?change.after:t)},topology=auditCompositeHostTopology(candidate,h.traces,input.connections);if(!topology.valid||h.traces.length!==12)throw Error('Tuned parent invalid');
mkdirSync(out,{recursive:true});const write=(dir:string,n:string,v:any)=>writeFileSync(resolve(dir,n),JSON.stringify(v,null,2)+'\n');write(out,'candidate.circuit.json',candidate);write(out,'host-bundle.json',h);write(out,'routing-input.json',{...input,traces:h.traces});write(out,'report.json',{...prior,candidateCircuitSha256:hash(candidate),physical:topology.physical,topology,reservedDq1Replacement:{manifest:m,manifestFileSha256:fileHash(mp),parentDirectory:parent,parentCircuitSha256:hash(c)},scope:'Isolated routing experiment parent; exact existing DQ1 proposal reserved. No accepted-board mutation.'});
if(old.accepted.length!==1||hash(input.connections.find((t:any)=>t.name===old.connection.name))!==hash(old.connection))throw Error('DQ6 template endpoint contract differs');const t=old.accepted[0],planes=planDdrGroundAntipads(candidate.filter((e:any)=>e.type==='pcb_copper_pour'),[{...t.via,net:'DDR_D6'}]),ids=new Set(h.traces.map((t:any)=>t.pcb_trace_id)),fixed=candidate.filter((e:any)=>e.type!=='pcb_copper_pour'&&!ids.has(e.pcb_trace_id)),physical=verifyDdrSystemCopper([...fixed,...planes.planes],[...h.traces,t.trace],input.connections,{},50,{reportSameNetContacts:true});mkdirSync(transition,{recursive:true});write(transition,'physical-report.json',physical);if(physical.errors.length||physical.violations.length||!physical.angles.valid||physical.joinedBends.length)throw Error('Existing transition fails actual changed-parent geometry');
const inputHashes=Object.fromEntries(['candidate.circuit.json','host-bundle.json','routing-input.json','report.json'].map(n=>[resolve(out,n),fileHash(resolve(out,n))]));write(transition,'planes.json',planes.planes);write(transition,'transition-plan.json',{...old,parentCircuitSha256:hash(candidate),hostTracesSha256:hash(h.traces),inputHashes,accepted:[{...t,addedAntipads:planes.added}],priorTemplate:{path:oldPlanPath,fileSha256:fileHash(oldPlanPath)},scope:'Exact prior DQ6 transition, revalidated against current12host board plus exact proposed DQ1 tuning and regenerated current-plane antipads.'});console.log(JSON.stringify({parent:out,transition,hosts:h.traces.length,via:t.via,errors:physical.errors.length,violations:physical.violations.length}))