v2.1: Add dynamic weather effects, clothing inventory, and bug fixes

Features:
- Add dynamic weather effects system (snow, rain, mist, sunshine, storm, wind, blizzard)
- Add separate Clothing tab in inventory system
- Weather effects auto-update based on Info Box weather field
- Combined effects for storm (rain+lightning) and blizzard (snow+wind)

Improvements:
- Settings migration system for automatic feature enablement
- Weather effects positioned behind chat interface (z-index: 1)
- Dynamic weather enabled by default for new users

Bug Fixes:
- Fix tab visibility issues (disabled tabs now properly hide)
- Fix theme-aware borders (remove hardcoded blue colors)
- Fix double scrollbar in Edit Trackers window
- Fix scroll position jumping when editing Present Characters
- Fix dynamic weather toggle hiding issue

Technical:
- Update inventory schema to v2.1 with clothing field
- Add automatic migration for existing v2 inventories
- Update parsers and prompts to handle clothing separately
- Add translations (EN/ZH-TW) for new features

src/systems/generation/promptBuilder.js

@@ -137,6 +137,11 @@ export function buildInventorySummary(inventory) {
             summary += `On Person: ${inventory.onPerson}\n`;
         }
 
+        // Add Clothing section
+        if (inventory.clothing && inventory.clothing !== 'None') {
+            summary += `Clothing: ${inventory.clothing}\n`;
+        }
+
         // Add Stored sections for each location
         if (inventory.stored && Object.keys(inventory.stored).length > 0) {
             for (const [location, items] of Object.entries(inventory.stored)) {