From ec2e94e3463654a6288464a4c070b48ef9bf7368 Mon Sep 17 00:00:00 2001
From: historia <[not public]>
Date: Wed, 17 Jun 2026 21:13:07 -0400
Subject: feat: smithing added, item/object interaction reworked. recipes and
 menus refactored.

---
 worldbuilding_guide/items.md | 38 ++++++++++++++++++++++++++++++++++++--
 1 file changed, 36 insertions(+), 2 deletions(-)

(limited to 'worldbuilding_guide/items.md')

diff --git a/worldbuilding_guide/items.md b/worldbuilding_guide/items.md
index e9e4352..0a4592b 100644
--- a/worldbuilding_guide/items.md
+++ b/worldbuilding_guide/items.md
@@ -65,17 +65,51 @@ eat_message: "You eat the bread. Warm and satisfying."
 
 ## MadeFrom — Item Combinations
 
-Define what items combine to make this item. Used by the `use` command.
+Define what items combine to make this item. Used by the `use` command. Combinations run through the production system — players are prompted "How many?" and the action loops with a timer.
 
 ```yaml
 id: bread_dough
 name: bread dough
 color: "222"
+ticks: 2
 made_from:
   - items: [pot_of_flour]
     qty: 1
+    byproducts: [empty_pot]
   - items: [bucket_of_water, pitcher_of_water]
     qty: 1
+    byproducts: [empty_bucket, empty_pitcher]
 ```
 
-Each entry is an ingredient slot. Multiple `items` means any of them works. The first matching item found in inventory is consumed. See also `recipes.md` for station-based recipes.
+Each entry is an ingredient slot. Multiple `items` means any of them works. The first matching item found in inventory is consumed.
+
+`ticks` controls how many game ticks each production cycle takes (default 2).
+
+### Byproducts
+
+`byproducts` is a list matching the `items` list by index. When `bucket_of_water` (items[0]) is consumed, `empty_bucket` (byproducts[0]) is returned to inventory. When `pitcher_of_water` (items[1]) is consumed, `empty_pitcher` (byproducts[1]) is returned instead.
+
+Use `""` for items that produce no byproduct:
+
+```yaml
+made_from:
+  - items: [pot_of_flour, loose_flour]
+    qty: 1
+    byproducts: [empty_pot, ""]   # pot returns empty_pot, loose flour returns nothing
+  - items: [bucket_of_water]
+    qty: 1
+    byproducts: [empty_bucket]
+```
+
+Omit `byproducts` entirely if no items in that slot produce a byproduct:
+
+```yaml
+made_from:
+  - items: [pot_of_flour]
+    qty: 1
+    byproducts: [empty_pot]       # returns empty_pot
+  - items: [salt]
+    qty: 1                        # no byproducts field — salt is consumed entirely
+```
+
+See also `recipes.md` for station-based recipes.
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