refactor(runtime): close canonical gameplay ownership

Unify the toolbar shortcut manager with Runtime inventory state, route retail-ordered shortcut and spellbook command effects through the canonical owners, and make retained controllers borrow those exact instances. Remove the item-interaction transaction fallback and add graphical/no-window parity plus failure-safe terminal ownership-ledger coverage.

Co-authored-by: Codex <codex@openai.com>

tests/AcDream.App.Tests/UI/Layout/SpellbookWindowControllerTests.cs

@@ -413,10 +413,18 @@ public sealed class SpellbookWindowControllerTests
             spellId => spellId == 103u ? 8 : 1,
             selectObject ?? (_ => { }),
             addFavorite ?? (_ => { }),
-            sendFilter ?? (_ => { }),
+            filters =>
+            {
+                spellbook.SetSpellbookFilters(filters);
+                sendFilter?.Invoke(filters);
+            },
             removeSpell ?? (_ => { }),
             showConfirmation ?? ((_, _) => { }),
-            setDesiredComponent ?? ((_, _) => { }),
+            (componentId, amount) =>
+            {
+                spellbook.SetDesiredComponent(componentId, amount);
+                setDesiredComponent?.Invoke(componentId, amount);
+            },
             close ?? (() => { }),
             new ComponentBookTemplateFactory(
                 FixtureLoader.LoadComponentCategoryTemplateInfos(),