--- /home/jwoltje/darkwing-scratch/r165/public-cb79be2e.diff	2026-10-18 16:59:27.558469838 -0500
+++ /mnt/storage/src/mosaic-stack/agents/darkwing/work/queue-165/public.diff	2026-10-18 16:59:27.562346562 -0500
@@ -1,8 +1,8 @@
 diff --git a/packages/webui/src/public/bus.js b/packages/webui/src/public/bus.js
-index 1e0be849d..32294be69 100644
+index 1e0be849d..67abd41f6 100644
 --- a/packages/webui/src/public/bus.js
 +++ b/packages/webui/src/public/bus.js
-@@ -671,17 +671,68 @@
+@@ -671,17 +671,70 @@
        await assistantPost('/api/name',{instance,name},instance,result=>{if(typeof result?.name!=='string')return unknownAssistant;delete nameDrafts[instance];const prior=last.get('names');if(prior)last.set('names',{...prior,rows:[...prior.rows.filter(r=>r.instance!==result.instance),{instance:result.instance,name:result.name,at:result.at}]});return `Seat name set to ${result.name}.`;});}
      else if(e.target.dataset.assistantStop!==undefined)await assistantPost('/api/assistant-stop',{instance},instance,result=>Array.isArray(result?.stopped)?`Stopped ${plural(result.stopped.length,'run')}.`:unknownAssistant);
    });
@@ -11,7 +11,7 @@
 +  // offered: binding credentials stays a hand edit. When a change needs a bus restart the receipt
 +  // says so; the Console never restarts the bus. Drafts survive polling and refusals; nothing retries.
 +  let instanceView=null, instanceDrafts={add:null,change:null}, instanceBusy=false, instanceReceipt='';
-+  const RESTART_TEXT='Restart needed: the running bus keeps the roles it loaded at start. A bus restart needs Mos\'s go or your hand; the Console does not restart it.';
++  const RESTART_TEXT='Restart needed: the running bus keeps the roles it loaded at start. The Console does not restart it.';
 +  const NO_RESTART_TEXT='No restart: the launcher reads the change at its next launch check.';
 +  function instancesSection(view){
 +    const title='<h2 id="instances-title">Role instances</h2>';
@@ -43,6 +43,8 @@
 +    return payload;
 +  }
 +  const unknownInstance='Outcome unknown. Read the role instances again before trying. Draft kept.';
++  // The answer replaces the view the next render draws, so it must have the read's whole shape.
++  const instanceAnswer=r=>/^[a-f0-9]{64}$/.test(r?.revision??'')&&typeof r.restart==='boolean'&&[r.instances,r.definitions].every(o=>o&&typeof o==='object'&&!Array.isArray(o));
 +  for(const kind of ['input','change'])document.addEventListener(kind,e=>{const form=e.target?.closest?.('.instance-form');if(form)instanceDrafts[form.dataset.op]=instanceFields(form);});
 +  document.addEventListener('click',e=>{if(e.target.id!=='instances-reload')return;instanceDrafts={add:null,change:null};instanceView=null;instanceReceipt='';last.delete('instances');render(true);});
 +  document.addEventListener('submit',async e=>{
@@ -51,8 +53,8 @@
 +    try{payload=instancePayload(op,instanceDrafts[op]);}catch(err){instanceReceipt=err.message;render(false);return;}
 +    instanceBusy=true;instanceReceipt='';render(false);
 +    try{const response=await fetch('/api/instances',{method:'POST',headers:{'content-type':'application/json'},body:JSON.stringify(payload),cache:'no-store',redirect:'manual'});if(response.type==='opaqueredirect'){instanceReceipt='Sign in again. Draft kept.';signOut();}else{const result=await response.json();
-+      if(response.ok&&/^[a-f0-9]{64}$/.test(result?.revision??'')&&typeof result.restart==='boolean'){instanceDrafts[op]=null;instanceView=result;const prior=last.get('instances');if(prior)last.set('instances',{...prior,rows:[result]});instanceReceipt=`${op==='add'?'Added':'Changed'} ${payload.instance}. ${result.restart?RESTART_TEXT:NO_RESTART_TEXT}`;}
-+      else instanceReceipt=result?.sent==='unknown'?unknownInstance:`${result?.message||'Refused.'} Draft kept.`;}}
++      if(response.ok&&instanceAnswer(result)){instanceDrafts[op]=null;instanceView=result;const prior=last.get('instances');if(prior)last.set('instances',{...prior,rows:[result]});instanceReceipt=`${op==='add'?'Added':'Changed'} ${payload.instance}. ${result.restart?RESTART_TEXT:NO_RESTART_TEXT}`;}
++      else instanceReceipt=response.ok||result?.sent==='unknown'?unknownInstance:`${result?.message||'Refused.'} Draft kept.`;}}
 +    catch{instanceReceipt=unknownInstance;}finally{instanceBusy=false;if(!out())render(false);}
 +  });
    async function settingsView(get) {