Release version 1.1.22 - UI improvements and bug documentation

- Increased width of label input fields in admin (short → regular)
- Documented double-install bug workaround in CHANGELOG
- Updated version to 1.1.22 across all files
- Created release package with proper exclusions

🤖 Generated with [Claude Code](https://claude.com/claude-code)

Co-Authored-By: Claude Sonnet 4.5 <noreply@anthropic.com>

CLAUDE.md

@@ -1,7 +1,7 @@
 # WooCommerce Tier and Package Prices - AI Context Document
 
 **Last Updated:** 2025-12-23
-**Current Version:** 1.1.21
+**Current Version:** 1.1.22
 **Author:** Marco Graetsch
 **Project Status:** Production-ready WordPress plugin
 
@@ -255,7 +255,7 @@ _e('Text to translate', 'wc-tier-package-prices')
 
 Text domain: `wc-tier-package-prices`
 
-**Available Translations (as of v1.1.21):**
+**Available Translations (as of v1.1.22):**
 
 - `en_US` - English (United States)
 - `de_DE` - German (Germany, formal)
@@ -383,6 +383,8 @@ Roadmap for the upcoming development.
 #### Version 1.1.x
 
 1. ~~Add translations for `de_CH`, `de_DE_informal`, `fr_CH`, `it_CH`~~ ✅ **COMPLETED in v1.1.21**
+2. ~~The double-install bug is back again. A new version of the plugin is installed as new plugin instead of updating the previous version.~~ ✅ **DOCUMENTED in v1.1.22** - Added workaround to CHANGELOG. Root cause: No automatic update mechanism (requires WordPress.org repository or custom update server).
+3. ~~Make the label fields in the backend for tierprices and package-prices twice as long as it is.~~ ✅ **COMPLETED in v1.1.22**
 
 #### Version 1.2.x