fix(desktop): route global remote profile REST calls (#47011)

* fix(desktop): route global remote profile REST calls

* fix(dashboard): scope oauth provider routes by profile

* test(tui): isolate notification poller queue

tests/hermes_cli/test_nous_auth_status_cache.py

@@ -3,8 +3,9 @@
 The cache avoids re-validating Nous credentials on every menu paint —
 `hermes tools` → "All Platforms" used to fire ~31 OAuth refresh POSTs
 against portal.nousresearch.com during one render. The cache is keyed
-on auth.json mtime so login/logout flows invalidate naturally; tests
-and other writers can also call invalidate_nous_auth_status_cache().
+on auth.json path + mtime so profile switches stay isolated while
+login/logout flows invalidate naturally; tests and other writers can
+also call invalidate_nous_auth_status_cache().
 """
 
 from __future__ import annotations
@@ -88,6 +89,42 @@ def test_get_nous_auth_status_invalidates_on_auth_file_mtime(tmp_path, monkeypat
     auth_mod.invalidate_nous_auth_status_cache()
 
 
+def test_get_nous_auth_status_cache_is_scoped_by_auth_file_path(tmp_path, monkeypatch):
+    """Two profile homes with missing auth.json must not share cached status."""
+    profile_a = tmp_path / "profiles" / "a"
+    profile_b = tmp_path / "profiles" / "b"
+    profile_a.mkdir(parents=True)
+    profile_b.mkdir(parents=True)
+
+    from hermes_cli import auth as auth_mod
+
+    auth_mod.invalidate_nous_auth_status_cache()
+
+    call_count = {"n": 0}
+    seen_auth_files = []
+
+    def fake_compute():
+        call_count["n"] += 1
+        seen_auth_files.append(auth_mod._auth_file_path())
+        return {"logged_in": False, "call": call_count["n"]}
+
+    with patch.object(auth_mod, "_compute_nous_auth_status", side_effect=fake_compute):
+        monkeypatch.setenv("HERMES_HOME", str(profile_a))
+        first = auth_mod.get_nous_auth_status()
+        monkeypatch.setenv("HERMES_HOME", str(profile_b))
+        second = auth_mod.get_nous_auth_status()
+
+    assert call_count["n"] == 2
+    assert first["call"] == 1
+    assert second["call"] == 2
+    assert seen_auth_files == [
+        profile_a / "auth.json",
+        profile_b / "auth.json",
+    ]
+
+    auth_mod.invalidate_nous_auth_status_cache()
+
+
 def test_invalidate_nous_auth_status_cache_forces_recompute(tmp_path, monkeypatch):
     """Explicit invalidate forces the next call to re-compute."""
     monkeypatch.setenv("HERMES_HOME", str(tmp_path))