feat: Enhanced exception handling, automatic initialization, and dynamic locale detection

Major improvements to developer experience and Lambda function simplification:

## Enhanced Exception Handling
- Enhanced handle_exceptions function with optional custom error messages
- Support for both message keys and direct strings in error handling
- Automatic localization fallback when message keys are not found
- Comprehensive unit tests for exception handling scenarios

## Automatic Message Manager Initialization
- Added auto_initialize_messages configuration option to Config class
- Automatic MessageManager initialization with locale from Lex request
- Eliminates need for manual initialize_message_manager() calls
- Graceful error handling for MessageManager initialization failures

## Automatic Exception Handling in Lambda Functions
- Added auto_handle_exceptions configuration option to Config class
- Automatic exception handling and error response generation
- Custom error message configuration via error_message parameter
- Eliminates need for try/catch blocks in Lambda functions
- Reduces Lambda function boilerplate by ~50%

## Message Consistency Testing Framework
- Comprehensive test suite for message key consistency across locales
- Validates all YAML message files have identical keys
- Parameter consistency validation for message templates
- Placeholder detection to prevent incomplete translations
- Required message category validation

## Dynamic Locale Detection in CDK
- Automatic locale detection based on Lex bot export structure
- Dynamic generation of bot locale configurations
- Eliminates hardcoded locale lists in CDK stack
- Reads confidence thresholds from BotLocale.json files

## Enhanced Deployment Scripts
- Improved deployment script with better error handling
- Automatic cleanup of old wheel files to prevent hash conflicts
- Targeted uv cache cleaning for specific packages
- Lock file regeneration to avoid dependency conflicts

## Developer Experience Improvements
- Simplified Lambda function structure with automatic handling
- Enhanced Config class with new configuration options
- Maintains backward compatibility with existing configurations
- Comprehensive test coverage for all new features

Author: kenerwin88

.pre-commit-config.yaml

@@ -30,7 +30,7 @@ repos:
 
   # Pyright for type checking
   - repo: https://github.com/RobertCraigie/pyright-python
-    rev: v1.1.390
+    rev: v1.1.405
     hooks:
       - id: pyright
         description: Run pyright type checker

CHANGELOG.md

@@ -7,6 +7,49 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 
 ## [Unreleased] - 0.0.2
 
+### Added
+
+- **Enhanced Exception Handling**
+  - Enhanced `handle_exceptions` function with optional custom error messages
+  - Support for both message keys and direct strings in error handling
+  - Automatic localization fallback when message keys are not found
+  - Comprehensive unit tests for exception handling scenarios
+
+- **Automatic Message Manager Initialization**
+  - Added `auto_initialize_messages` configuration option to Config class
+  - Automatic MessageManager initialization with locale from Lex request
+  - Eliminates need for manual `initialize_message_manager()` calls in Lambda functions
+  - Graceful error handling for MessageManager initialization failures
+
+- **Automatic Exception Handling in Lambda Functions**
+  - Added `auto_handle_exceptions` configuration option to Config class
+  - Automatic exception handling and error response generation
+  - Custom error message configuration via `error_message` parameter
+  - Eliminates need for try/catch blocks in Lambda functions
+  - Maintains proper Lex response formatting for all error scenarios
+
+- **Message Consistency Testing Framework**
+  - Comprehensive test suite for message key consistency across locales
+  - Validates all YAML message files have identical keys
+  - Parameter consistency validation for message templates
+  - Placeholder detection to prevent incomplete translations
+  - Required message category validation
+  - Integration with existing test infrastructure
+
+- **Dynamic Locale Detection in CDK**
+  - Automatic locale detection based on Lex bot export structure
+  - Dynamic generation of bot locale configurations
+  - Eliminates hardcoded locale lists in CDK stack
+  - Reads confidence thresholds from BotLocale.json files
+  - Automatic fallback to en_US if no locales detected
+
+- **Enhanced Deployment Scripts**
+  - Improved deployment script with better error handling
+  - Automatic cleanup of old wheel files to prevent hash conflicts
+  - Targeted uv cache cleaning for specific packages
+  - Lock file regeneration to avoid dependency conflicts
+  - Validation of required tools and directory structure
+
 ### Changed
 
 - **Dependency Management Migration**
@@ -16,12 +59,39 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
   - Updated CDK bundling configuration to automatically detect and use uv for Lambda packaging
   - Modified deployment scripts to use `uv sync` instead of `poetry lock`
 
+- **Simplified Lambda Function Structure**
+  - Reduced Lambda function boilerplate by ~50% through automatic handling
+  - Eliminated manual MessageManager initialization calls
+  - Removed manual exception handling try/catch blocks
+  - Streamlined configuration through enhanced Config class
+
+- **Enhanced Config Class**
+  - Added `auto_initialize_messages` (default: True)
+  - Added `auto_handle_exceptions` (default: True)
+  - Added `error_message` for custom error message configuration
+  - Maintains backward compatibility with existing configurations
+
+### Fixed
+
+- **Exception Handling Improvements**
+  - Fixed SessionState validation errors in error responses
+  - Improved error message localization with proper fallbacks
+  - Enhanced error response formatting for all channels
+
+- **Deployment Reliability**
+  - Fixed hash mismatch issues in uv dependency resolution
+  - Improved wheel file management in deployment pipeline
+  - Enhanced error handling in deployment scripts
+
 ### Technical Details
 
 - Changed build system from `poetry-core` to `hatchling` for better PEP 621 compatibility
 - Updated Python version constraints to be compatible with all dependencies (`>=3.12,<4.0`)
 - Configured CDK `PythonFunction` and `PythonLayerVersion` to properly detect uv configuration
-- Maintained all existing functionality while improving build performance
+- Added comprehensive test coverage for new exception handling features
+- Implemented dynamic locale detection using filesystem scanning
+- Enhanced error response creation with proper Lex formatting
+- Maintained all existing functionality while improving developer experience
 
 ## [0.0.1] - 2025-01-03