data(filters): stop blacklisting the Shredder Operating Manual pages

data/sql/db-world/z_filter_disabled_and_trash.sql

@@ -36,7 +36,10 @@ WHERE (
     NAME LIKE '%big sack%' OR
     NAME LIKE '%decoded%' OR
     NAME LIKE '%knowledge:%' OR
-    NAME LIKE '%manual%' OR
+    -- '%manual%' also swallows the Shredder Operating Manual pages, which are
+    -- tradeable world drops and belong on the auction house. The combined
+    -- chapters stay excluded: they are bound and cannot be traded.
+    (NAME LIKE '%manual%' AND NAME NOT LIKE 'Shredder Operating Manual - Page%') OR
     NAME LIKE '%gnome head%' OR
     NAME LIKE '%critter enlarger%' OR
     NAME LIKE '%box of%' OR

data/sql/db-world/zz_2026_08_25_00_unblacklist_shredder_pages.sql

@@ -0,0 +1,21 @@
+--
+-- Let the Shredder Operating Manual pages back onto the auction house.
+--
+-- z_filter_disabled_and_trash.sql excludes every item whose name contains
+-- "manual", which was aimed at the "Manual: ..." / "Manual of ..." teaching items
+-- but also caught "Shredder Operating Manual - Page N". Those pages are tradeable
+-- world drops that players are supposed to buy and combine themselves, so they
+-- belong in the market. That filter file now carries an exception for them; this
+-- removes the rows it already inserted.
+--
+-- The combined "Shredder Operating Manual - Chapter N" items are deliberately NOT
+-- touched: they are bound, cannot be traded by a player, and stay blacklisted.
+--
+-- Idempotent: re-running deletes nothing once the rows are gone. The zz_ prefix
+-- keeps it sorted after z_filter_disabled_and_trash.sql.
+--
+
+DELETE d
+FROM `mod_auctionhousebot_disabled_items` d
+JOIN `item_template` i ON i.`entry` = d.`item`
+WHERE i.`name` LIKE 'Shredder Operating Manual - Page%';