Add puzzle generator

[DenHvideDvaerg]

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Codecov Report

❌ Patch coverage is 98.00000% with 2 lines in your changes missing coverage. Please review.

Files with missing lines	Patch %	Lines
snake_mip_solver/generator.py	97.93%	2 Missing ⚠️

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[Copilot]

Pull Request Overview

This pull request adds puzzle generation capability to the snake-mip-solver package. The SnakePuzzleGenerator class creates random valid Snake puzzles using random walk with backtracking, ensuring generated paths adhere to all puzzle rules.

• Implements SnakePuzzleGenerator class with configurable parameters for grid size and fill percentage
• Adds comprehensive test suite covering various scenarios and edge cases
• Updates package version to 0.3.0 and integrates generator into main example

Reviewed Changes

Copilot reviewed 6 out of 6 changed files in this pull request and generated 2 comments.

Show a summary per file

File	Description
snake_mip_solver/generator.py	Core generator implementation with random walk algorithm and constraint validation
tests/test_generator.py	Comprehensive test suite for generator functionality and edge cases
snake_mip_solver/init.py	Exports SnakePuzzleGenerator and updates version to 0.3.0
pyproject.toml	Updates package version to 0.3.0
main.py	Demonstrates generator usage with example puzzle creation
README.md	Adds documentation for puzzle generation features and usage examples

Comments suppressed due to low confidence (1)

snake_mip_solver/generator.py:1

• Missing space between '=' and 'int'.

from typing import Set, Tuple, Optional, List, Union

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