From 5f9259569a82a922f45db1d979c2252fa618c643 Mon Sep 17 00:00:00 2001
From: Tamaz_Sujashvili <56168197+Tamaz-sujashvili@users.noreply.github.com>
Date: Fri, 5 Jun 2026 02:41:24 +0400
Subject: [PATCH] fix(desktop): refresh model picker when resuming a cached
 session

The fast resume path updated cwd/branch but not model/provider, so the
header stayed on the previous session's model until a full gateway resume.

Fixes NousResearch/hermes-agent#38901

Co-authored-by: Cursor <cursoragent@cursor.com>
---
 .../app/session/hooks/use-session-actions.ts  | 32 ++++++++++++++++++-
 1 file changed, 31 insertions(+), 1 deletion(-)

diff --git a/apps/desktop/src/app/session/hooks/use-session-actions.ts b/apps/desktop/src/app/session/hooks/use-session-actions.ts
index 6b4b08f945f4e..f6383d9a327ec 100644
--- a/apps/desktop/src/app/session/hooks/use-session-actions.ts
+++ b/apps/desktop/src/app/session/hooks/use-session-actions.ts
@@ -42,7 +42,13 @@ import {
   setYoloActive
 } from '@/store/session'
 import { reportBackendContract } from '@/store/updates'
-import type { SessionCreateResponse, SessionInfo, SessionResumeResponse, UsageStats } from '@/types/hermes'
+import type {
+  ModelOptionsResponse,
+  SessionCreateResponse,
+  SessionInfo,
+  SessionResumeResponse,
+  UsageStats
+} from '@/types/hermes'
 
 import { NEW_CHAT_ROUTE, sessionRoute, SETTINGS_ROUTE } from '../../routes'
 import type { ClientSessionState, SidebarNavItem } from '../../types'
@@ -437,6 +443,30 @@ export function useSessionActions({
         clearComposerDraft()
         clearComposerAttachments()
 
+        const storedRow = $sessions
+          .get()
+          .find(session => session.id === storedSessionId || session._lineage_root_id === storedSessionId)
+
+        if (storedRow?.model) {
+          setCurrentModel(storedRow.model)
+        }
+
+        void requestGateway<ModelOptionsResponse>('model.options', { session_id: cachedRuntimeId })
+          .then(opts => {
+            if (!isCurrentResume()) {
+              return
+            }
+
+            if (opts.model) {
+              setCurrentModel(opts.model)
+            }
+
+            if (opts.provider) {
+              setCurrentProvider(opts.provider)
+            }
+          })
+          .catch(() => undefined)
+
         void requestGateway<UsageStats>('session.usage', { session_id: cachedRuntimeId })
           .then(usage => {
             if (isCurrentResume() && usage) {