feat: add Claude Opus 4.6 model support (anthropic.claude-opus-4-6-v1)

- Add claude_opus_4_6, claude_opus_4_6_v1 to anthropic constants
- Add claude_opus_4_6 to aws_bedrock constants
- Bump version to 2.3.0

Co-authored-by: Cursor <cursoragent@cursor.com>

Author: abdulgeek

cost_katana/__init__.py

@@ -43,7 +43,7 @@
     get_provider_from_model,
 )
 
-__version__ = "2.2.6"
+__version__ = "2.3.0"
 
 # Import configure function from client
 from .client import configure

cost_katana/models_constants.py

@@ -133,6 +133,10 @@ class openai:
 class anthropic:
     """Anthropic model constants"""
 
+    # Claude 4.6 Series (Latest)
+    claude_opus_4_6 = 'claude-opus-4-6'
+    claude_opus_4_6_v1 = 'claude-opus-4-6-v1'
+    
     # Claude 4.5 Series (Latest)
     claude_sonnet_4_5_20250929 = 'claude-sonnet-4-5-20250929'
     claude_sonnet_4_5 = 'claude-sonnet-4-5'
@@ -272,6 +276,7 @@ class aws_bedrock:
     nova_reel = 'amazon.nova-reel-v1:0'
 
     # Anthropic Claude on Bedrock
+    claude_opus_4_6 = 'anthropic.claude-opus-4-6-v1'
     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="2.2.6",
+    version="2.3.0",
     author="Cost Katana Team",
     author_email="support@costkatana.com",
     description="The simplest way to use AI in Python with automatic cost tracking and optimization",