Implement AnalyzeCommand and Main Entry Point

[leogdion]

Phase

Phase 2: Core Configuration & Command Infrastructure

Specification

Create command implementation using ConfigKeyKit Command protocol and main entry point with error handling.

Acceptance Criteria

• AnalyzeCommand implements Command protocol
• commandName, abstract, and helpText defined with complete usage information
• createInstance() creates ConfigReader with CLI and ENV providers
• execute() delegates to SyntaxKitAnalyzer
• main.swift implements @main entry point with error handling
• Help text documents all arguments and options
• Code follows one-type-per-file organization

Dependencies

• Depends on: Implement AnalyzerConfiguration and AnalyzerError #110

Files to Create/Modify

• Sources/skit-aist/AnalyzeCommand.swift
• Sources/skit-aist/main.swift

Related Documentation

• skit-analyze-plan.md