chore: Bump version to 2.4.0 and add Claude Sonnet 4.6 model support

- Updated version to 2.4.0 in setup.py and __init__.py.
- Added claude_sonnet_4_6 model constant to models_constants.py for Anthropic.
- Updated AWS Bedrock constants to include claude_sonnet_4_6.

Author: abdulgeek

cost_katana/__init__.py

@@ -43,7 +43,7 @@
     get_provider_from_model,
 )
 
-__version__ = "2.3.0"
+__version__ = "2.4.0"
 
 # Import configure function from client
 from .client import configure

cost_katana/models_constants.py

@@ -136,8 +136,9 @@ class anthropic:
     # Claude 4.6 Series (Latest)
     claude_opus_4_6 = 'claude-opus-4-6'
     claude_opus_4_6_v1 = 'claude-opus-4-6-v1'
+    claude_sonnet_4_6 = 'claude-sonnet-4-6'
 
-    # Claude 4.5 Series (Latest)
+    # Claude 4.5 Series
     claude_sonnet_4_5_20250929 = 'claude-sonnet-4-5-20250929'
     claude_sonnet_4_5 = 'claude-sonnet-4-5'
     claude_haiku_4_5_20251001 = 'claude-haiku-4-5-20251001'
@@ -277,6 +278,7 @@ class aws_bedrock:
 
     # Anthropic Claude on Bedrock
     claude_opus_4_6 = 'anthropic.claude-opus-4-6-v1'
+    claude_sonnet_4_6 = 'anthropic.claude-sonnet-4-6-v1:0'
     claude_sonnet_4_5 = 'anthropic.claude-sonnet-4-5-v1:0'
     claude_haiku_4_5 = 'anthropic.claude-haiku-4-5-v1:0'
     claude_opus_4_1_20250805 = 'anthropic.claude-opus-4-1-20250805-v1:0'

setup.py

@@ -14,7 +14,7 @@
 
 setup(
     name="cost-katana",
-    version="2.3.0",
+    version="2.4.0",
     author="Cost Katana Team",
     author_email="support@costkatana.com",
     description="The simplest way to use AI in Python with automatic cost tracking and optimization",