s831.py

from research import *
s=begin(831,'Seal the100-step family-synthesis cycle','Are all100 sequential actions and final reading artifacts complete?',{'first':732,'last':831,'next':832},['C732–830; final independent preflight'])
prior=[x for x in json.loads((ROOT/'journal.json').read_text()) if x['step']<831]
rels=['deliverables/490d_Chronological_Families_Integrated_Synthesis_C831.md','deliverables/490d_Chronological_Families_Reading_Guide_C831.md','deliverables/490d_Chronological_Families_Map_C831.svg','deliverables/490d_Chronological_Families_Map_C831.png','deliverables/490d_Chronological_Families_Checkpoint_After_C831.md','evidence/CLAIM_MAP_C831.md','evidence/REVIEW_FINAL_PREFLIGHT.md']
bindings=[]
for rel in rels:
    p=ROOT/rel;b=p.read_bytes();bindings.append({'path':rel,'sha256':hashlib.sha256(b).hexdigest(),'bytes':len(b)})
review=(ROOT/'evidence/REVIEW_FINAL_PREFLIGHT.md').read_text()
finish(s,{'completed_steps':len(prior)+1,'range':[732,831],'final_artifacts':bindings,'next_unused_step':832,'synthesis':'ordered source paths; mode selectors; finite supported variants; rounding residuals; weighted contraction/coarsening; declared component transforms'},'All100 authorized research actions are complete, each with a reassessment. The cycle yields a constructive explanation of how the chronological families fit together, supported by full ordered reconstructions and explicit source qualifications.','Run the final100-step replay, package and save; retain C832 as the next unused research number.',{'contiguous_prefix':[x['step'] for x in prior]==list(range(732,831)),'exactly100':len(prior)+1==100,'artifacts_present':all(x['bytes']>0 for x in bindings),'preflight_pass':'PASS' in review})