@@ -1214,7 +1214,18 @@ export namespace Provider {
 
     if (cfg.small_model) {
       const parsed = parseModel(cfg.small_model)
-      return getModel(parsed.providerID, parsed.modelID)
+      try {
+        return await getModel(parsed.providerID, parsed.modelID)
+      } catch (err) {
+        if (ModelNotFoundError.isInstance(err)) {
+          log.warn("configured small_model not found, falling back to heuristic selection", {
+            small_model: cfg.small_model,
+          })
+          // fall through to heuristic selection below
+        } else {
+          throw err
+        }
+      }
     }
 
     const provider = await state().then((state) => state.providers[providerID])
 
@@ -326,11 +326,13 @@ export namespace SessionPrompt {
 
       step++
       if (step === 1)
-        ensureTitle({
+        void ensureTitle({
           session,
           modelID: lastUser.model.modelID,
           providerID: lastUser.model.providerID,
           history: msgs,
+        }).catch((err) => {
+          log.error("failed to generate session title", { error: err })
         })
 
       const model = await Provider.getModel(lastUser.model.providerID, lastUser.model.modelID).catch((e) => {