Budget growing history and import recovery encoding

src/lib/canvas-runtime/engine.ts

@@ -1,3 +1,4 @@
+import {dataRecord} from '../canvas-core/data-containers.ts';
 import {createImportReadProof,IMPORT_PROOF_BLOCK_BYTES} from './import-read-proof.ts';
 import {isImportByteFailure} from './import-byte-reader.ts';
 import {assertImportEvidence,importSeals,importsMaySend} from './import-verification.ts';
@@ -674,7 +675,7 @@ export async function openProjectEngine(options: EngineOptions) {
       const context=proofReaders.get(job.id),current=editor.getSnapshot().runtime.imports?.get(job.id)?.source;
       if(!context||context.fileId!==job.source.fileId)throw fault('import_source_unavailable');
       const {sha256:_,integrityError:__,...source}=job.source;
-      return {...job,source:{...source,readProof:context.reader.getProof(),...(current?.sha256?{sha256:current.sha256}:{}),...(current?.integrityError?{integrityError:current.integrityError}:{})}};
+      return dataRecord(freeze({...job,source:{...source,readProof:context.reader.getProof(),...(current?.sha256?{sha256:current.sha256}:{}),...(current?.integrityError?{integrityError:current.integrityError}:{})}}));
     }
     function failImportVerification(job:ImportJob,error:unknown){
       const code=(error as {code?:string}).code??'import_source_verification_failed';