feat: add TOGGLE_BAGS action and integrate inventory screen with keybinding manager

- Add TOGGLE_BAGS action to keybinding manager (B key default)
- Update inventory_screen.cpp to use keybinding manager for bag and character toggles
- Maintain consistent keybinding system across all UI windows

include/ui/keybinding_manager.hpp

@@ -17,6 +17,7 @@ public:
     enum class Action {
         TOGGLE_CHARACTER_SCREEN,
         TOGGLE_INVENTORY,
+        TOGGLE_BAGS,
         TOGGLE_SPELLBOOK,
         TOGGLE_TALENTS,
         TOGGLE_QUESTS,

src/ui/inventory_screen.cpp

@@ -1,4 +1,5 @@
 #include "ui/inventory_screen.hpp"
+#include "ui/keybinding_manager.hpp"
 #include "game/game_handler.hpp"
 #include "core/application.hpp"
 #include "rendering/vk_context.hpp"
@@ -709,18 +710,21 @@ bool InventoryScreen::bagHasAnyItems(const game::Inventory& inventory, int bagIn
 }
 
 void InventoryScreen::render(game::Inventory& inventory, uint64_t moneyCopper) {
-    // B key toggle (edge-triggered)
+    // Bags toggle (B key, edge-triggered)
-    bool wantsTextInput = ImGui::GetIO().WantTextInput;
+    bool bagsDown = KeybindingManager::getInstance().isActionPressed(
-    bool bDown = !wantsTextInput && core::Input::getInstance().isKeyPressed(SDL_SCANCODE_B);
+        KeybindingManager::Action::TOGGLE_BAGS, false);
-    bool bToggled = bDown && !bKeyWasDown;
+    bool bToggled = bagsDown && !bKeyWasDown;
-    bKeyWasDown = bDown;
+    bKeyWasDown = bagsDown;
 
-    // C key toggle for character screen (edge-triggered)
+    // Character screen toggle (C key, edge-triggered)
-    bool cDown = !wantsTextInput && core::Input::getInstance().isKeyPressed(SDL_SCANCODE_C);
+    bool characterDown = KeybindingManager::getInstance().isActionPressed(
-    if (cDown && !cKeyWasDown) {
+        KeybindingManager::Action::TOGGLE_CHARACTER_SCREEN, false);
+    if (characterDown && !cKeyWasDown) {
         characterOpen = !characterOpen;
     }
-    cKeyWasDown = cDown;
+    cKeyWasDown = characterDown;
+
+    bool wantsTextInput = ImGui::GetIO().WantTextInput;
 
     if (separateBags_) {
         if (bToggled) {

src/ui/keybinding_manager.cpp

@@ -18,6 +18,7 @@ void KeybindingManager::initializeDefaults() {
     // Set default keybindings
     bindings_[static_cast<int>(Action::TOGGLE_CHARACTER_SCREEN)] = ImGuiKey_C;
     bindings_[static_cast<int>(Action::TOGGLE_INVENTORY)] = ImGuiKey_I;
+    bindings_[static_cast<int>(Action::TOGGLE_BAGS)] = ImGuiKey_B;
     bindings_[static_cast<int>(Action::TOGGLE_SPELLBOOK)] = ImGuiKey_P;  // WoW standard key
     bindings_[static_cast<int>(Action::TOGGLE_TALENTS)] = ImGuiKey_N;     // WoW standard key
     bindings_[static_cast<int>(Action::TOGGLE_QUESTS)] = ImGuiKey_L;
@@ -57,6 +58,7 @@ const char* KeybindingManager::getActionName(Action action) {
     switch (action) {
         case Action::TOGGLE_CHARACTER_SCREEN: return "Character Screen";
         case Action::TOGGLE_INVENTORY: return "Inventory";
+        case Action::TOGGLE_BAGS: return "Bags";
         case Action::TOGGLE_SPELLBOOK: return "Spellbook";
         case Action::TOGGLE_TALENTS: return "Talents";
         case Action::TOGGLE_QUESTS: return "Quests";
@@ -120,6 +122,7 @@ void KeybindingManager::loadFromConfigFile(const std::string& filePath) {
         int actionIdx = -1;
         if (action == "toggle_character_screen") actionIdx = static_cast<int>(Action::TOGGLE_CHARACTER_SCREEN);
         else if (action == "toggle_inventory") actionIdx = static_cast<int>(Action::TOGGLE_INVENTORY);
+        else if (action == "toggle_bags") actionIdx = static_cast<int>(Action::TOGGLE_BAGS);
         else if (action == "toggle_spellbook") actionIdx = static_cast<int>(Action::TOGGLE_SPELLBOOK);
         else if (action == "toggle_talents") actionIdx = static_cast<int>(Action::TOGGLE_TALENTS);
         else if (action == "toggle_quests") actionIdx = static_cast<int>(Action::TOGGLE_QUESTS);
@@ -210,6 +213,7 @@ void KeybindingManager::saveToConfigFile(const std::string& filePath) const {
     } actionMap[] = {
         {Action::TOGGLE_CHARACTER_SCREEN, "toggle_character_screen"},
         {Action::TOGGLE_INVENTORY, "toggle_inventory"},
+        {Action::TOGGLE_BAGS, "toggle_bags"},
         {Action::TOGGLE_SPELLBOOK, "toggle_spellbook"},
         {Action::TOGGLE_TALENTS, "toggle_talents"},
         {Action::TOGGLE_QUESTS, "toggle_quests"},