0hmX/am3352

scripts/retire-ddr-host-for-codesign.ts

/** Explicit one-host removal for a bounded co-design experiment; never overwrites parent. */
import{readFileSync,writeFileSync,mkdirSync}from'node:fs';import{resolve}from'node:path';import{objectHash as hash}from'./improve-ddr-a9-power-launches';import{auditCompositeHostTopology}from'./ddr-composite-routing-context';
const[parentArg,signal,outArg]=process.argv.slice(2);if(!outArg)throw Error('Usage: parent global-source-trace output');const parent=resolve(parentArg),out=resolve(outArg),read=(p:string)=>JSON.parse(readFileSync(p,'utf8')),c=read(parent+'/candidate.circuit.json'),h=read(parent+'/host-bundle.json'),r=read(parent+'/report.json'),input=read(parent+'/routing-input.json');if(hash(c)!==r.candidateCircuitSha256||hash(h.traces)!==r.hostTracesSha256)throw Error('Parent differs');const removed=h.traces.filter((t:any)=>t.source_trace_id===signal);if(removed.length!==1)throw Error('Expected exact one host');const traces=h.traces.filter((t:any)=>!removed.includes(t)),candidate=c.filter((e:any)=>!removed.some((t:any)=>hash(t)===hash(e))),topology=auditCompositeHostTopology(candidate,traces,input.connections);if(!topology.valid)throw Error('Retained hosts fail');mkdirSync(out,{recursive:true});const write=(n:string,v:any)=>writeFileSync(out+'/'+n,JSON.stringify(v,null,2)+'\n'),manifest={captureHash:r.captureHash,parentDirectory:parent,parentCircuitSha256:hash(c),candidateCircuitSha256:hash(candidate),replacements:[],removals:removed,additions:[]};write('candidate.circuit.json',candidate);write('host-bundle.json',{...h,traces});write('routing-input.json',{...input,traces});write('original-copper-replacements.json',manifest);write('report.json',{...r,candidateCircuitSha256:hash(candidate),hostTracesSha256:hash(traces),hostBundleSha256:hash({...h,traces}),originalCopperReplacementsSha256:hash(manifest),connectedHostCount:traces.length,topology,scope:`Isolated co-design: exact ${signal} host removed. ${traces.length} retained hosts; not an accepted replacement board.`});for(const n of ['ram-byte0-facing-progress.trace-paths.json','ram-byte1-facing-progress.trace-paths.json','source-provenance.json','ram-power-launch-audit.json'])write(n,read(parent+'/'+n));for(const n of ['exit-contract.json','ram-byte1-exit-contract.json'])write(n,{...read(parent+'/'+n),candidateCircuitSha256:hash(candidate)});if(hash(read(parent+'/candidate.circuit.json'))!==hash(c))throw Error('Parent changed');console.log(JSON.stringify({out,retained:traces.length,removedSha:hash(removed[0]),candidateSha:hash(candidate)}));