Feature: Solidity compilation and watch mode

[roninjin10]

Overview

Add Solidity compilation support to Chop, enabling users to compile .sol files directly within the CLI.

Motivation

• Eliminate need for external Solidity tooling
• Streamline contract testing workflow
• Enable hot-reload development workflow

Features to Implement

1. Compiler Integration

• Integrate Guillotine's foundry-wrapper (from primitives repo)
• Add compile command for single-file compilation
• Support both inline source and file input
• Multiple output formats (JSON, hex, combined)
• Optimizer control and EVM version targeting
• Error/warning collection and display

2. Watch Mode

• Add --watch flag to monitor .sol files
• Use fsnotify for file system monitoring
• Auto-recompile on changes
• Auto-deploy on successful compilation

3. TUI Integration

• Add "Compiler" tab (8th tab) with:
  • File selector for .sol files in current directory
  • Compile button with progress indicator
  • Display compilation errors/warnings
  • Show generated bytecode and ABI
  • "Deploy" button to deploy compiled contract

Implementation Notes

• Follow patterns from TEVM CLI (tevm-monorepo/cli/src/commands/compile.tsx)
• Follow patterns from Guillotine CLI (guillotine/apps/cli/commands/compile.go)
• Ensure thread-safe compilation when watch mode is active

Dependencies

• foundry-wrapper from evmts/primitives
• fsnotify for watch mode

Related

• Builds on server infrastructure from Phase 1
• May integrate with forking support for testing against mainnet state