Simplify investigation replies and derive controller bookkeeping

tests/test_investigator.py

@@ -45,10 +45,10 @@ class LoopAdapter:
             result["next"]={"kind":"test","executor":"human","question":"What occurs after interaction?","steps":["Interact once"],
                             "prerequisites":["Use the specified build"],"requested_observations":["Record the observed state"],"environment":"build-A"}
         if self.change:self.change(result,context)
-        if request['prompt_version'] in {'investigation_project_v12','investigation_project_v13'}:
+        if request['prompt_version'] in {'investigation_project_v12','investigation_project_v13','investigation_project_v14'}:
             result['update'].setdefault('causal_review',{'effect':'neutral','support':[],'against':[],
                 'reason':'This fixture gathers context without establishing a causal defect.'})
-        if request['prompt_version']=='investigation_project_v13':
+        if request['prompt_version'] in {'investigation_project_v13','investigation_project_v14'}:
             existing=context.get('working_brief')
             review=result['update']['causal_review']
             findings=[]
@@ -62,6 +62,16 @@ class LoopAdapter:
                 'uncertainties':['Causal defect not established.'],'next_question':'Check the selected mechanism.',
                 'changes':[{'id':fid,'reason':'Fixture revises the finding.',
                     'evidence_refs':result['update']['evidence_refs']} for fid,f in old.items() if new.get(fid)!=f]})
+        if request['prompt_version']=='investigation_project_v14':
+            b=result['update']['working_brief']
+            if b['format_version']==1:
+                reasons={v['id']:v['reason'] for v in b.pop('changes')}
+                b['format_version']=2
+                for f in b['findings']:
+                    if f['id'] in reasons:f['revision_reason']=reasons[f['id']]
+                b['retired']=[{'id':fid,'reason':reason} for fid,reason in reasons.items() if fid not in {f['id'] for f in b['findings']}]
+            for k in ('evidence_refs','causal_review','note'):result['update'].pop(k,None)
+            if result['assessment']:result['assessment'].pop('evidence_refs',None)
         return ProviderResponse(result,"fixture-investigation",100,50)