diff --git a/policy/context.py b/policy/context.py
index f144801..031a187 100644
--- a/policy/context.py
+++ b/policy/context.py
@@ -119,7 +119,12 @@ class PolicyContext:
             if inventory_item(old) == inventory_item(new):
                 return
         elif action == "combat_select_card":
-            if len(screen.get("selected_cards") or []) <= len(pending.screen.get("selected_cards") or []):
+            # Upgrade previews do not expose selected_cards. A ready upgrade
+            # confirmation is completion evidence for the accepted selection.
+            upgrade_ready = screen.get("mode") == "upgrade_select" and screen.get("can_confirm")
+            selection_grew = (len(screen.get("selected_cards") or [])
+                              > len(pending.screen.get("selected_cards") or []))
+            if not upgrade_ready and not selection_grew:
                 return
         elif action == "select_bundle":
             if not screen.get("preview_showing") or not screen.get("can_confirm"):
diff --git a/test_run.py b/test_run.py
index a1900a9..a1ee1dd 100755
--- a/test_run.py
+++ b/test_run.py
@@ -402,6 +402,25 @@ result = invoke(fake, "--no-jev", "--steps", "5", "--max-duplicate-waits", "0")
 check("hand selection waits for selected count, not the separate selected-card index",
       [a[0][0] for a in fake.actions], ["combat_select_card", "combat_confirm_selection", "menu_select"])
 
+# Upgrade previews do not populate SelectedHandCardContainer, so the mod
+# reports upgrade_select + can_confirm without selected_cards (live floor 12).
+upgrade_hand = dict(hand, hand_select=dict(hand["hand_select"],
+                                         prompt="Choose a card to Upgrade."))
+upgrade_preview = dict(upgrade_hand, hand_select=dict(upgrade_hand["hand_select"],
+    mode="upgrade_select", prompt="Confirm Card to Upgrade", can_confirm=True))
+upgrade_loading = dict(upgrade_preview, hand_select=dict(upgrade_preview["hand_select"],
+                                                       can_confirm=False))
+fake = FakeSts2([menu, upgrade_hand, upgrade_hand, upgrade_hand, upgrade_loading,
+                 {"state_type": "overlay"}, upgrade_preview, upgrade_preview, menu],
+                action_ok=[False, True])
+result = invoke(fake, "--no-jev", "--steps", "8", "--max-duplicate-waits", "0")
+check("upgrade selection retries rejection, waits for ready preview, then confirms once",
+      fake.actions, [(("combat_select_card",), {"card_index": 2}),
+                     (("combat_select_card",), {"card_index": 2}),
+                     (("combat_confirm_selection",), {}),
+                     (("menu_select",), {"option": "singleplayer"})])
+check("upgrade preview transition completes without a timeout", result.rc, 0)
+
 fake = FakeSts2([menu] + [dict(shop, animation_tick=i) for i in range(100)])
 result = invoke(fake, "--steps", "100", "--stuck-seconds", "10", clock=itertools.count())
 check("pending purchase times out despite unrelated observation changes",