docs: update CHANGELOG.md, appcast and Homebrew formula for v1.9.1-BETA-1

Author: actions-user

CHANGELOG.md

@@ -1,3 +1,41 @@
+# v1.9.1-BETA-1 (2025-10-15)
+
+# TRex v1.9.1-BETA-1 Release Notes
+
+## 🐛 Bug Fixes
+
+### Czech Language OCR Fix
+- **Fixed language code normalization**: Resolved issues with Czech (and potentially other) language recognition where language codes with underscores (`cs_CZ`) weren't being properly converted to the hyphen format (`cs-CZ`) required by Apple Vision OCR
+- **Fixed engine selection**: Corrected issue where Tesseract engine was being selected even when disabled in preferences, causing fallback to incorrect engines with poor results
+- **Language identifier handling**: Improved `LanguageCodeMapper.standardize()` to properly handle locale-based language codes
+
+### Image Preprocessing
+- **Enhanced text recognition accuracy**: Added automatic image preprocessing with:
+  - +30% contrast enhancement
+  - +10% brightness adjustment
+  - +10% saturation boost
+- These improvements help recognize low-contrast and light-colored text more reliably
+
+### OCR Engine Management
+- **Better engine routing**: Made `OCRManager.engines` publicly readable to allow proper engine filtering based on user preferences
+- **Explicit Vision engine selection**: Ensures Apple Vision is used when Tesseract is disabled
+
+## 🔧 Improvements
+
+### Developer Experience
+- **Enhanced logging**: Added comprehensive debug logging throughout the OCR pipeline, including:
+  - Language selection decisions
+  - Engine routing information
+  - Recognition results with confidence scores
+  - Alternate recognition candidates for debugging
+
+### Code Quality
+- **Removed unnecessary entitlements**: Cleaned up app entitlements file by removing unneeded permissions
+
+## 📝 Technical Details
+
+This release primarily addresses language recognition issues that could affect users working with Czech and potentially other languages where locale-based language codes (containing underscores or region identifiers) weren't being properly standardized for the Vision framework.
+
 # v1.9.0 (2025-10-15)
 
 # TRex v1.9.0 Release Notes

docs/appcast_beta.xml

@@ -6,18 +6,18 @@
     <description>TRex Beta Updates</description>
     <language>en</language>
     <item>
-      <title>TRex 1.9.0-BETA-5</title>
-      <sparkle:version>1.9.0-BETA-5</sparkle:version>
-      <sparkle:shortVersionString>1.9.0-BETA-5</sparkle:shortVersionString>
-      <description>This is a test description, debugging auto-updates.</description>
-      <pubDate>Wed, 15 Oct 2025 00:40:17 +0000</pubDate>
+      <title>TRex 1.9.1-BETA-1</title>
+      <sparkle:version>137</sparkle:version>
+      <sparkle:shortVersionString>1.9.1-BETA-1</sparkle:shortVersionString>
+      <description><![CDATA[]]></description>
+      <pubDate>Wed, 15 Oct 2025 21:26:42 +0000</pubDate>
       <enclosure
-        url="https://github.com/amebalabs/TRex/releases/download/v1.9.0-BETA-5/TRex-1.9.0-BETA-5.zip"
-        sparkle:version="130"
-        sparkle:shortVersionString="1.9.0-BETA-5"
+        url="https://github.com/amebalabs/TRex/releases/download/v1.9.1-BETA-1/TRex-1.9.1-BETA-1.zip"
+        sparkle:version="137"
+        sparkle:shortVersionString="1.9.1-BETA-1"
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   </channel>