Enhance crafting error handling and logging in craftItem function

inventoryManager.lua

@@ -1471,15 +1471,23 @@ end
 -- since remote turtles may not expose the inventory API (list/pushItems).
 local function craftItem(recipeIdx)
     local recipe = CRAFTABLE[recipeIdx]
-    if not recipe then return false, "Invalid recipe" end
+    if not recipe then
-    if not craftTurtleName then return false, "No turtle" end
+        print("[CRAFT] Invalid recipe index: " .. tostring(recipeIdx))
-    if not networkModem then return false, "No modem" end
+        return false, "Invalid recipe"
+    end
+    if not craftTurtleName then
+        print("[CRAFT] No turtle detected on network")
+        return false, "No turtle"
+    end
 
     -- Verify the turtle is still on the network
     if not peripheral.isPresent(craftTurtleName) then
+        print("[CRAFT] Turtle offline: " .. craftTurtleName)
         return false, "Turtle offline"
     end
 
+    print(string.format("[CRAFT] Starting craft: %s (turtle: %s)", recipe.output, craftTurtleName))
+
     activity.crafting = true
     needsRedraw = true
     smelterNeedsRedraw = true
@@ -1520,18 +1528,26 @@ local function craftItem(recipeIdx)
                     if chest then
                         for slot, slotItem in pairs(chest.list()) do
                             if slotItem.name == itemName then
-                                local n = chest.pushItems(craftTurtleName, slot, 1, turtleSlot)
+                                print(string.format("[CRAFT] Pushing %s from %s slot %d -> turtle slot %d", itemName, source.chest, slot, turtleSlot))
-                                if n and n > 0 then
+                                local ok, n = pcall(chest.pushItems, craftTurtleName, slot, 1, turtleSlot)
+                                if ok and n and n > 0 then
                                     adjustCache(itemName, source.chest, -n)
                                     placedItems[turtleSlot] = itemName
                                     placed = true
+                                    print(string.format("[CRAFT] Placed %s in turtle slot %d", itemName, turtleSlot))
                                     break
+                                elseif not ok then
+                                    print(string.format("[CRAFT] pushItems error: %s", tostring(n)))
+                                else
+                                    print(string.format("[CRAFT] pushItems returned %s", tostring(n)))
                                 end
                             end
                         end
                     end
                     if placed then break end
                 end
+            else
+                print(string.format("[CRAFT] Item %s not in catalogue!", itemName))
             end
             if not placed then
                 -- Cleanup: pull placed items back using tracked names