Claude Code v0.2.81

# Claude Code v0.2.81 Changelog

• Added pricing configuration system that maps model names to token costs
• New Fi1 function calculates total costs based on input/output tokens and prompt cache usage
• Pricing structure includes:
• Input tokens
• Output tokens
• Prompt cache write tokens
• Prompt cache read tokens

• New Kg function extracts model identifiers from strings using pattern matching
• Recognizes Claude model naming format: claude-X-Y-name

• Extension filename changed from mcp.vsix to claude-code.vsix
• Added new extension identifier: anthropic.claude-code

• Replaced wo6 with Fo6 for extension installation
• Added tm1 callback function (currently a no-op placeholder)
• Installation now calls tm1 after successful extension install for each terminal type

When installing the Claude Code extension in VSCode:

# Previously would install:
code --install-extension /path/to/vendor/mcp.vsix

# Now installs:
code --install-extension /path/to/vendor/claude-code.vsix

• Removed hardcoded pricing values (fR2, e53, G63, I63, W63, vR2, R63)
• Removed unused model identifier MN9 (claude-3-7-sonnet-20250219)
• Removed safety supervisor message constant Zi1
• Removed unused numeric constant yi1

• Consolidated stream imports to use named imports from "stream" module
• Replaced direct process import with named import from "node:process"

• LS2: Added to track array length (appears to be pn1.length)
• sm1: Extension identifier string "anthropic.claude-code"

• Changed from default import to named import PassThrough as xm9
• Better aligned with Node.js module best practices

This update focuses on making the pricing system more flexible and maintainable while updating the extension management system to use the new Claude Code branding.