0hmX/am3352

scripts/audit-current-ram-adapter-compatibility.ts

/** Read current external adapter, classify ten source deltas, and audit an in-memory transplant only. */
import{readFileSync,writeFileSync,mkdirSync}from'node:fs'
import{resolve}from'node:path'
import{createHash}from'node:crypto'
import{verifyDdrCapture}from'./ddr-capture-provenance'
import{verifyDdrSystemCopper}from'./check-ddr-system-copper'
import{auditRouteAngles}from'./check-route-angles'
const[dir,out]=process.argv.slice(2),ram=resolve('/Users/ankan/Documents/Codex/2026-09-10/what-x20/outputs/mt41k512m8da-107-it-p-fanout'),hash=(x:any)=>createHash('sha256').update(JSON.stringify(x)).digest('hex'),bound:Record<string,string>={},read=(p:string)=>{p=resolve(p);bound[p]=createHash('sha256').update(readFileSync(p)).digest('hex');return JSON.parse(readFileSync(p,'utf8'))},capture=resolve('dist/ddr-system/host-taps-54af3e346b5e'),{captureHash,snapshot}=verifyDdrCapture(capture),c=read(resolve(dir,'candidate.circuit.json')),host=read(resolve(dir,'host-bundle.json')),input=read(resolve(dir,'routing-input.json')),native=read(resolve(ram,'src/generated/bus_grouped.trace-paths.json'))
for(const f of['src/am3352-host.ts','src/am3352-power-escapes.ts','src/am3352-trunk-taps.ts','src/bus-rules.ts','src/pin-map.ts','src/timing.ts','src/terminals.ts','src/saved-paths.ts','src/index.tsx'])bound[resolve(ram,f)]=createHash('sha256').update(readFileSync(resolve(ram,f))).digest('hex')
const{adaptRamPathsToHost}=await import(resolve(ram,'src/am3352-host.ts')),planar=(r:any[])=>r.slice(1).reduce((n:number,b:any,j:number)=>{const a=r[j];return n+(a.route_type==='wire'&&b.route_type==='wire'&&a.layer===b.layer?Math.hypot(a.x-b.x,a.y-b.y):0)},0),rows:any[]=[],changes:any[]=[]
for(const byte of[0,1]){const after=adaptRamPathsToHost(native,byte?'am3352-byte1':'am3352-byte0'),frozen=snapshot.pathsByByte[byte],placement=snapshot.placements[byte],cache=read(resolve(dir,`ram-byte${byte}-facing-progress.trace-paths.json`));for(let n=0;n<after.length;n++){if(hash(after[n])===hash(frozen[n]))continue;const ball=after[n].connection.slice(3),port=c.find((e:any)=>e.type==='source_port'&&e.name===ball&&e.source_component_id===(byte?'source_component_84':'source_component_83')),exit=c.find((e:any)=>e.type==='pcb_breakout_point'&&e.source_port_id===port?.source_port_id),traces=c.filter((e:any)=>e.type==='pcb_trace'&&e.source_trace_id===exit?.source_trace_id);if(traces.length!==1)throw Error('Ambiguous source-owned trace');const old=traces[0],route=after[n].route.map((p:any)=>({...p,x:placement.pcbX-p.x,y:placement.pcbY-p.y}));route[0]={...route[0],start_pcb_port_id:old.route[0].start_pcb_port_id};const next={...old,route},end=route.at(-1),oldCached=cache.find((p:any)=>p.connection===after[n].connection),connected=input.connections.filter((co:any)=>co.pointsToConnect.some((p:any)=>p.pointId===exit.pcb_breakout_point_id)),hosted=connected.flatMap((co:any)=>host.traces.filter((t:any)=>t.connection_name===co.name)),delta=planar(route)-planar(old.route);changes.push({before:old,after:next,exitBefore:exit,exitAfter:{...exit,x:end.x,y:end.y,layer:end.layer}});rows.push({byte,ball,sourcePortId:port.source_port_id,sourceTraceId:old.source_trace_id,pcbTraceId:old.pcb_trace_id,breakoutId:exit.pcb_breakout_point_id,sharedConnections:connected.map((x:any)=>x.name),hosted:hosted.map((x:any)=>x.connection_name),priorExit:{x:exit.x,y:exit.y,layer:exit.layer},currentAdapterExit:{x:end.x,y:end.y,layer:end.layer},priorVias:old.route.filter((p:any)=>p.route_type==='via'),currentVias:route.filter((p:any)=>p.route_type==='via'),priorMm:planar(old.route),currentMm:planar(route),deltaMm:delta,cacheAlreadyOverridesFrozen:hash(oldCached)!==hash(frozen[n]),cacheEqualsCurrent:hash(oldCached)===hash(after[n]),angles:auditRouteAngles([next])})}}
const ids=new Set(changes.map(x=>x.before.pcb_trace_id)),hostIds=new Set(host.traces.map((x:any)=>x.pcb_trace_id)),fixed=c.filter((e:any)=>!ids.has(e.pcb_trace_id)&&!hostIds.has(e.pcb_trace_id)),connections=input.connections.map((co:any)=>({...co,pointsToConnect:co.pointsToConnect.map((p:any)=>{const r=changes.find(x=>x.exitBefore.pcb_breakout_point_id===p.pointId);return r?{...p,x:r.exitAfter.x,y:r.exitAfter.y,layer:r.exitAfter.layer}:p})})),physical=verifyDdrSystemCopper(fixed,[...host.traces,...changes.map(x=>x.after)],connections,{},50,{reportSameNetContacts:true})
const collisions=physical.violations.map(v=>({layer:v.layer,gapMm:v.gapMm,a:v.aShape.traceId??v.aShape.join,b:v.bShape.traceId??v.bShape.join,aPoint:v.aShape.a,bPoint:v.bShape.a})),report={captureHash,parentCandidateSha256:hash(c),sourceHashes:bound,nativeSha256:hash(native),nativeMatchesFrozen:hash(native)===snapshot.sourceSha256,rows,diagnostic:{errors:[...new Set(physical.errors)],violations:collisions,hostConnected:physical.connectivity.filter(x=>x.connected).length,angles:physical.angles,joinedBends:physical.joinedBends},scope:'Read-only external source audit. Ten current adapter traces transplanted only in memory; original emitted vias associated with replaced traces removed from diagnostic fixed set, inline replacements include full barrels. Original planes/support remain untouched. Fresh bottom-layer supply/VREF wires trigger signal-only layer-policy errors; actual reported geometric collisions remain relevant. This is not an accepted update.'}
for(const[p,h]of Object.entries(bound))if(createHash('sha256').update(readFileSync(p)).digest('hex')!==h)throw Error('Source changed during audit');mkdirSync(out,{recursive:true});writeFileSync(resolve(out,'report.json'),JSON.stringify(report,null,2));console.log(JSON.stringify({rows:rows.map(r=>({byte:r.byte,ball:r.ball,trace:r.pcbTraceId,hosted:r.hosted,deltaMm:r.deltaMm,exit:r.currentAdapterExit,cacheOverride:r.cacheAlreadyOverridesFrozen})),errors:report.diagnostic.errors,violations:collisions.length,first:collisions.slice(0,8)}))