Avatar Continued

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🎯 Fix: Avatar Shows Mount After Rostrum of Transformation

- Problem: After customizing mounts at the Rostrum, your avatar would display the mount instead of your character until you opened settings
- Fix: The UNIT_MODEL_CHANGED event now always re-applies equipment when your player model changes — no more waiting for settings panel to refresh

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🖱️ Settings Panel: Movable & Cleaner

- Draggable window: Click and drag the title bar to move the settings panel anywhere
- Hidden scrollbars: Center settings column no longer shows ugly scrollbars
- Close button: X button in title bar works properly
- ESC to close: Panel registers with WoW's special frames (Esc closes it)

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⚡ Live Preview: Real-Time Equipment Updates

- Before: Toggling "Show Weapon" / "Show Armor" / etc. updated the main avatar but not the live preview in settings
- Now: Every equipment toggle (weapon, armor, tabard, shirt, helm, pants) instantly updates the preview model

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👖 New: "Get Ya Pants Off" Option

- Location: Settings → Display category
- What it does: Check the box → pants hidden. Uncheck → pants shown
- Independent: Works separately from "Show Armor" — you can show armor but hide just the legs
- Live preview: Updates instantly in the settings panel preview

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🔧 Under the Hood

- Added show.pants to profile defaults (core.lua)
- Added avatar_show_pants setting with inverted logic (checked = hide) (settings.lua)
- Updated both main avatar (RefreshEquipmentToggle) and preview (RefreshEquipmentOnModel) to respect the new toggle
- Settings API now properly syncs checkbox state ↔ AceDB profile ↔ live model

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