Add CLAUDE.md with codebase documentation for AI assistants

CLAUDE.md

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+# CLAUDE.md — DevOops
+
+## Project Overview
+
+DevOops is a Ruby gem that serves as a shell snippets/scripts manager. It helps developers organize, create, edit, run, and remove custom shell scripts via a CLI. Scripts are stored as JSON configuration files (defining arguments) paired with `.sh` body files.
+
+- **Author:** Denis "Zaratan" Pasin
+- **License:** MIT
+- **Ruby version:** >= 2.6.0 (configured for 3.0 in `.ruby-version`)
+- **CLI framework:** Thor
+- **Autoloader:** Zeitwerk
+
+## Repository Structure
+
+```
+lib/dev_oops/
+├── dev_oops.rb          # Module init, Zeitwerk setup, eager_load
+├── version.rb           # VERSION constant (bump for releases)
+├── runner.rb            # Thor CLI entry point, dynamic command registration
+├── scripts_loader.rb    # Script discovery, config parsing, Thor::Group builders
+└── commands/
+    ├── edit_script.rb   # Edit script JSON config
+    ├── edit_script_sh.rb # Edit script .sh body
+    ├── local_install.rb # Create local ./dev_oops directory
+    └── remove_script.rb # Remove a script
+exe/
+└── dev_oops             # Executable entry point
+spec/
+└── dev_oops_spec.rb     # RSpec tests
+templates/
+└── empty_script.tt      # JSON template for new scripts
+bin/
+├── setup                # Install bundle dependencies
+├── console              # IRB console with gem loaded
+└── local_do             # Local development runner
+```
+
+## Development Commands
+
+```bash
+# Install dependencies
+bundle install
+yarn install            # For Prettier Ruby plugin
+
+# Run tests
+bundle exec rspec
+
+# Run linter
+bundle exec rubocop
+
+# Check formatting
+yarn prettier -c '**/*.rb'
+
+# Default rake task (runs rspec)
+bundle exec rake
+
+# Interactive console
+bin/console
+
+# Run locally during development
+bin/local_do
+```
+
+## CI Checks (must pass before merge)
+
+The CI pipeline (GitHub Actions) runs on Ruby 2.6, 2.7, and 3.0:
+
+1. **Linting:** `bundle exec rubocop`
+2. **Tests:** `bundle exec rspec`
+3. **Formatting:** `yarn prettier -c '**/*.rb'`
+
+PRs to `main` also verify that `lib/dev_oops/version.rb` has been bumped. Pushes to `main` auto-publish to RubyGems if the version changed.
+
+## Code Conventions
+
+- **Frozen string literals:** Every Ruby file starts with `# frozen_string_literal: true`
+- **Module structure:** All code lives under the `DevOops` module. Commands live in `DevOops::Commands`
+- **File naming:** `snake_case.rb` — class naming: `PascalCase`
+- **Constants:** `UPPER_CASE` (e.g., `GLOBAL_DIR`, `FORBIDDEN_NAMES`)
+- **Linter style:** Relaxed Ruby Style + RuboCop Performance + Prettier
+- **No monkey patching** in specs (configured in `spec_helper.rb`)
+
+## Architecture Notes
+
+- **Runner** (`runner.rb`): Main Thor CLI class. Registers built-in commands (`edit`, `edit_sh`, `rm`, `install`) and dynamically registers user-defined scripts discovered by `ScriptsLoader`.
+- **ScriptsLoader** (`scripts_loader.rb`): Searches for `dev_oops/` directories from the current working directory up to `$HOME`. Loads JSON configs and builds Thor::Group subcommands for each script. Closest-to-cwd wins on name collisions.
+- **Script storage:** Global scripts live in `~/.dev_oops/`. Local (project) scripts live in `./dev_oops/`. Each script has a `.json` config and a `.sh` body file.
+- **Forbidden script names:** `help`, `install`, `edit`, `edit_sh`, `rm`, `local_install` — reserved for built-in commands.
+
+## Version & Release
+
+- Version is defined in `lib/dev_oops/version.rb`
+- Bump the version there for any release
+- CI verifies version changes on PRs to `main` and auto-publishes to RubyGems on merge
+
+## Key Dependencies
+
+| Gem | Purpose |
+|-----|---------|
+| `thor` | CLI framework |
+| `zeitwerk` | Autoloading |
+| `rspec` | Testing |
+| `rubocop` | Linting |
+| `prettier` | Code formatting (via Node + Ruby plugin) |
+| `pry-byebug` | Debugging |
+| `bundler-audit` | Dependency security auditing |