refactor: cleanup auto-rename code

app/composables/useChat.ts

@@ -412,10 +412,6 @@ export const useChat = (agentId: string) => {
             return Err(AutoRenameError.NoModelSelected);
         }
 
-        await triplit.update('topics', topicId, {
-            renaming: true
-        });
-
         const modelResult = await attempt(triplit.fetchOne(triplit.query('models').Where('id', '=', settings.value.systemAssistants.rename.modelId).Include('provider')));
 
         if (modelResult.ok === false) {
@@ -453,19 +449,30 @@ export const useChat = (agentId: string) => {
             }
         }
 
+        await triplit.update('topics', topicId, {
+            renaming: true
+        });
+
         try {
-            const res = await $fetch(`/api/topic/auto-rename`, {
+            const res = await $fetch(`/api/auto-rename/${topicId}`, {
                 method: 'POST',
                 body: JSON.stringify({
                     modelId: model.id,
-                    topicId,
                     prompt,
                     providerApiKey,
                 }),
-            });
+            }) as { ok: true, renameId: string } | { ok: false, code: string };
+            if (!res.ok) {
+                console.error('Failed to auto-rename:', res.code);
+                return Err(AutoRenameError.FailedToGenerate);
+            }
 
             return Ok(res.renameId);
         } catch (error) {
+            triplit.update('topics', topicId, {
+                renaming: false,
+            });
+
             console.error('Failed to auto-rename:', error);
             return Err(AutoRenameError.FailedToGenerate);
         }