Add weapon move-type effectiveness

docs/GODOT_4_6_MIGRATION.md

@@ -45,7 +45,7 @@ powershell -NoProfile -ExecutionPolicy Bypass -File tools\check_godot46_readines
 - Chapters, Shop, Armory, Roster, Formation, and Save open and close; completed or current Chapter entries can open a battle briefing.
 - Finite-stock Shop entries show remaining counts and disable once sold out.
 - Manual checkpoint save/load restores the expected current briefing without script errors.
-- A player unit can move, attack, wait, use a tactic, use an item, and equip compatible gear.
+- A player unit can move, attack, wait, use a tactic, use an item, and equip compatible gear; weapon effectiveness appears in forecasts and equipment/shop text when applicable.
 - Movement-triggered supply cache events grant battle inventory items with pickup feedback, and the items persist only after victory.
 - The Threat toggle or `Y` key shows enemy physical and hostile tactic reach, and hovered threatened tiles name the threatening units.
 - Area tactics such as Blaze, Great Mend, and Poison Mist highlight affected cells, apply only to valid targets in the area, and spend MP once per cast.