chore: update Interface to 120100 for Midnight patch 12.1.0

Bump the TOC Interface version from 120001 to 120100 so the addon is
flagged as up to date for Midnight patch 12.1.0 ("Curse of Ula'tek").

Audited the addon's API surface against the 12.0.5 and 12.1.0 change
lists: none of the removed globals are called, and C_Container, C_Item,
C_EquipmentSet, C_TransmogCollection and the buyback/money APIs are
unchanged. Expansion ID 12 (Midnight) is still current, so the expansion
filters need no change.

Also drop GetInventorySlotInfo from .luacheckrc read_globals — Blizzard
removed it in 12.1.0 in favour of C_PaperDollInfo.GetInventorySlotInfo,
and the addon never called it.

Claude-Session: https://claude.ai/code/session_01CHdbWur35SfiY9RNdC2BW6

Author: mikigraf

.luacheckrc

@@ -113,9 +113,6 @@ read_globals = {
     "UIErrorsFrame",
     "MinimalSliderWithSteppersMixin",
 
-    -- WoW API: Inventory
-    "GetInventorySlotInfo",
-
     -- WoW API: Instance
     "GetInstanceInfo",
     "GetExpansionLevel",

AutoSellPlus/AutoSellPlus.toc

@@ -1,4 +1,4 @@
-## Interface: 120001
+## Interface: 120100
 ## Title: AutoSellPlus
 ## Notes: Shows a popup when visiting a merchant to review and sell junk and configurable item qualities.
 ## Author: Mikolaj Graf / Cloudsail Digital Solutions sp. z o.o.

CHANGELOG.md

@@ -1,5 +1,13 @@
 # Changelog
 
+## v4.0.1 - 2026-08-26
+
+Compatibility release for Midnight patch 12.1.0. No behaviour changes.
+
+### Changed
+- **Patch 12.1.0 compatibility** — `## Interface` bumped from `120001` to `120100` for Midnight patch 12.1.0 ("Curse of Ula'tek", live August 11 2026).
+- **Luacheck globals** — Removed `GetInventorySlotInfo` from `read_globals`. Blizzard removed it in 12.1.0 (replaced by `C_PaperDollInfo.GetInventorySlotInfo`); the addon never called it.
+
 ## v4.0.0 - 2026-08-05
 
 Major release. Consolidates all previously unreleased work (the destruction

CLAUDE.md

@@ -4,7 +4,7 @@ This file provides guidance to Claude Code (claude.ai/code) when working with co
 
 ## Project Overview
 
-AutoSellPlus is a World of Warcraft addon (Lua 5.1) that shows a popup when visiting a merchant to review and sell junk items. It targets the Midnight expansion (Interface 120001), has zero external dependencies, and is distributed via CurseForge.
+AutoSellPlus is a World of Warcraft addon (Lua 5.1) that shows a popup when visiting a merchant to review and sell junk items. It targets the Midnight expansion (Interface 120100, patch 12.1.0), has zero external dependencies, and is distributed via CurseForge.
 
 ## Commands
 

FEATURES.md

@@ -1,6 +1,6 @@
 # AutoSellPlus - Complete Feature Documentation
 
-AutoSellPlus is a World of Warcraft addon that shows a popup when visiting a merchant to review and sell junk items. It targets the Midnight expansion (Interface 120001), has zero external dependencies, and is distributed via CurseForge.
+AutoSellPlus is a World of Warcraft addon that shows a popup when visiting a merchant to review and sell junk items. It targets the Midnight expansion (Interface 120100, patch 12.1.0), has zero external dependencies, and is distributed via CurseForge.
 
 ---