Initial commit: Go project with greet function and CLI

.gitignore

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+# Binaries for programs and plugins
+*.exe
+*.exe~
+*.dll
+*.so
+*.dylib
+
+# Test binary, built with `go test -c`
+*.test
+
+# Output of the go coverage tool
+*.out
+
+# Dependency directories
+vendor/
+
+# Go workspace file
+go.work
+
+# IDE specific files
+.idea/
+.vscode/
+*.swp
+
+# macOS specific files
+.DS_Store
+
+# Environment files
+.env
+.env.local

AGENTS.md

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+# AGENTS.md
+
+This file documents the AI agents and tools used in this project.
+
+## Project Initialization
+
+- **Agent**: Mistral Vibe CLI Agent
+- **Version**: devstral-2
+- **Date**: 2024-04-03
+
+## Tasks Completed
+
+1. **Go Environment Setup**
+   - Verified Go installation
+   - Upgraded to Go 1.26.1
+   - Verified version compatibility
+
+2. **Project Structure**
+   - Created idiomatic Go project layout
+   - Initialized go.mod with module name
+   - Set up cmd/ and pkg/ directories
+
+3. **Core Implementation**
+   - Implemented Greet() function in pkg/greet/
+   - Added default behavior for empty names
+   - Created comprehensive unit tests
+
+4. **CLI Implementation**
+   - Built command-line interface in cmd/greet/
+   - Implemented argument parsing
+   - Integrated with core library
+
+5. **Documentation**
+   - Created README.md with usage instructions
+   - Added .gitignore for standard exclusions
+   - Generated this AGENTS.md file
+
+## Tools Used
+
+- Go 1.26.1
+- Standard library only
+- No external dependencies
+
+## Testing
+
+All tests pass:
+```bash
+go test ./...
+```
+
+## Verification
+
+CLI tested with:
+- No arguments: `go run ./cmd/greet` → "Hello world!"
+- With argument: `go run ./cmd/greet John` → "Hello John!"

README.md

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+# DanceLessonsCoach
+
+A simple Go project demonstrating idiomatic package structure and CLI implementation.
+
+## Features
+
+- Greet function with default behavior
+- Command-line interface
+- Unit tests
+- Go 1.26.1 compatible
+
+## Installation
+
+```bash
+# Clone the repository
+git clone https://github.com/yourusername/DanceLessonsCoach.git
+cd DanceLessonsCoach
+
+# Build and run
+go run ./cmd/greet
+```
+
+## Usage
+
+```bash
+# Default greeting
+go run ./cmd/greet
+# Output: Hello world!
+
+# Custom greeting
+go run ./cmd/greet John
+# Output: Hello John!
+```
+
+## Testing
+
+```bash
+# Run all tests
+go test ./...
+
+# Run specific package tests
+go test ./pkg/greet/
+```
+
+## Project Structure
+
+```
+DanceLessonsCoach/
+├── cmd/
+│   └── greet/
+│       └── main.go          # CLI entry point
+├── pkg/
+│   └── greet/
+│       ├── greet.go         # Core library
+│       └── greet_test.go    # Unit tests
+├── go.mod                   # Go module definition
+└── README.md                # Project documentation
+```
+
+## License
+
+MIT

cmd/greet/main.go

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+package main
+
+import (
+	"fmt"
+	"os"
+
+	"DanceLessonsCoach/pkg/greet"
+)
+
+func main() {
+	name := ""
+	if len(os.Args) > 1 {
+		name = os.Args[1]
+	}
+	
+	fmt.Println(greet.Greet(name))
+}

go.mod

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+module DanceLessonsCoach
+
+go 1.26.1

pkg/greet/greet.go

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+package greet
+
+// Greet returns a greeting message for the given name.
+// If name is empty, it defaults to "world".
+func Greet(name string) string {
+	if name == "" {
+		return "Hello world!"
+	}
+	return "Hello " + name + "!"
+}

pkg/greet/greet_test.go

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+package greet
+
+import "testing"
+
+func TestGreet(t *testing.T) {
+	tests := []struct {
+		name     string
+		expected string
+	}{
+		{"", "Hello world!"},
+		{"John", "Hello John!"},
+		{"Alice", "Hello Alice!"},
+		{"  ", "Hello   !"}, // spaces are not considered empty
+	}
+
+	for _, tt := range tests {
+		t.Run(tt.name, func(t *testing.T) {
+			result := Greet(tt.name)
+			if result != tt.expected {
+				t.Errorf("Greet(%q) = %q, want %q", tt.name, result, tt.expected)
+			}
+		})
+	}
+}