Implement Claude Code provider for code review

[biwakonbu]

Overview

Implement ReviewProvider support for Claude Code CLI as the second AI agent tool integration.

Prerequisites

• ReviewProvider interface design completed (see related issue)
• Cursor CLI provider implementation complete

Scope

• Implement ClaudeCodeReviewProvider following established patterns
• Configure Claude Code-specific CLI invocation
• Set up prompt templates for Claude Code
• Add configuration options specific to Claude Code
• Test integration with actual Claude Code CLI

Implementation Tasks

• Create ClaudeCodeReviewProvider implementation
• Define Claude Code-specific configuration schema
• Implement prompt template rendering for Claude Code
• Add CLI invocation and output parsing
• Handle authentication (if needed)
• Add integration tests
• Document configuration options

Success Criteria

• Claude Code can be selected as review provider
• Configuration allows Claude Code-specific customization
• Code review workflow works end-to-end with Claude Code
• Documentation includes Claude Code setup instructions

Labels

enhancement, code-review, ai-integration, claude-code