release: v0.50.151 — credential_pool provider detection + Ollama Cloud support (PR #820 by @starship-s)

Surfaces providers added via credential_pool in the model dropdown. Ambient gh-cli tokens suppressed. _apply_provider_prefix helper extracted. Ollama Cloud display name + dynamic model list. looksLikeBareOllamaId heuristic tightened. Test isolation fixed.

PR #820 by @starship-s.

static/boot.js

@@ -847,6 +847,7 @@ function applyBotName(){
     $('modelSelect').value=savedModel;
     // If the value didn't take (model not in list), clear the bad pref
     if($('modelSelect').value!==savedModel) localStorage.removeItem('hermes-webui-model');
+    else if(typeof syncModelChip==='function') syncModelChip();
   }
   // Pre-load workspace list so sidebar name is correct from first render
   await loadWorkspaceList();