feat: overhaul UI main and profile

server/nakama/tekton_admin.js

@@ -23,6 +23,9 @@ function InitModule(ctx, logger, nk, initializer) {
     initializer.registerRpc("get_user_profile", rpcGetUserProfile);
     initializer.registerRpc("update_user_profile", rpcUpdateUserProfile);
     
+    // Store RPCs
+    initializer.registerRpc("purchase_item", rpcPurchaseItem);
+    
     // Leaderboard RPCs
     initializer.registerRpc("get_leaderboard_stats", rpcGetLeaderboardStats);
     initializer.registerRpc("admin_update_stats", rpcAdminUpdateStats);
@@ -377,6 +380,49 @@ function rpcAdminSetUserRole(ctx, logger, nk, payload) {
     }
 }
 
+// =============================================================================
+// Store / Economy RPCs
+// =============================================================================
+
+function rpcPurchaseItem(ctx, logger, nk, payload) {
+    if (!ctx.userId) throw new Error("Not authenticated");
+    
+    var request = JSON.parse(payload);
+    var itemId = request.item_id;
+    var priceGold = request.price_gold || 0;
+    var priceStar = request.price_star || 0;
+    var category = request.category || "accessory"; // head, costume, glove, accessory
+
+    if (!itemId) throw new Error("Item ID required");
+
+    try {
+        var changeset = {};
+        if (priceGold > 0) changeset["gold"] = -priceGold;
+        if (priceStar > 0) changeset["star"] = -priceStar;
+
+        // Check wallet and deduct
+        // nk.walletUpdate throws an error if insufficient funds
+        nk.walletUpdate(ctx.userId, changeset, {}, true);
+
+        // Record purchase in inventory
+        var inventoryObj = {
+            collection: "inventory",
+            key: itemId,
+            userId: ctx.userId,
+            value: { category: category, purchased_at: new Date().toISOString() },
+            permissionRead: 1,
+            permissionWrite: 0
+        };
+        nk.storageWrite([inventoryObj]);
+
+        logger.info("User " + ctx.userId + " purchased " + itemId);
+        return JSON.stringify({ success: true, item: itemId });
+    } catch (e) {
+        logger.error("Purchase failed: " + e.message);
+        throw new Error("Purchase failed: " + e.message);
+    }
+}
+
 // =============================================================================
 // User Profile RPCs
 // =============================================================================