Update Codebreaker.Bot to Support Additional Game Types (Game8x5, Game5x5x4)

[Copilot]

The Codebreaker.Bot API service previously only supported Game6x4 (6 possible colors, 4 fields). This PR extends the bot algorithm and API to support two additional game types while maintaining full backward compatibility.

New Game Types Supported

• Game8x5: 8 possible colors, 5 fields
• Game5x5x4: 5 colors × 5 shapes (25 combinations), 4 fields

Key Changes

API Enhancement

The bot creation endpoint now accepts an optional gameType parameter:

# New Game8x5 support
POST /bot/bots?gameType=Game8x5&count=3&delay=10&thinkTime=3

# New Game5x5x4 support  
POST /bot/bots?gameType=Game5x5x4&count=1&delay=15&thinkTime=5

# Original Game6x4 (backward compatible - no gameType needed)
POST /bot/bots?count=3&delay=10&thinkTime=3

Algorithm Updates

Extended the core bit manipulation algorithm to handle:

• Variable field counts (4 or 5 fields)
• Different color counts (6 or 8 colors)
• Shape+color combinations for Game5x5x4
• Game result types: Added support for blue results specific to Game5x5x4

The algorithm maintains the original 6-bit field representation and XOR-based approach while adapting to different game configurations.

Shape+Color Combination Handling

For Game5x5x4, the bot properly handles shape and color field values by creating combination strings in the format "{shape};{color}" and mapping them to the algorithm's bit patterns.

Game Result Processing

Enhanced result processing to handle different result types by game:

• Game6x4 & Game8x5: Black (exact match), White (color match, wrong position)
• Game5x5x4: Black (exact match), White (shape+color match, wrong position), Blue (partial match - either correct color OR shape)

Backward Compatibility

All existing API calls continue to work unchanged. The gameType parameter defaults to Game6x4, ensuring no breaking changes for existing integrations.

Testing

Added comprehensive unit tests covering:

• Bit manipulation for all game types
• Field selection algorithms
• Black/white/blue match detection
• Color/combination conversion functions

The bot can now play against itself in all three game types and return correct results, enabling broader testing and demonstration of the Codebreaker system's capabilities.

Fixes #312.

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[christiannagel]

@copilot with the Game5x5x4 game, the result returned after a move can be black, white, and blue. One more option than for the other game types.

[Copilot]

@copilot with the Game5x5x4 game, the result returned after a move can be black, white, and blue. One more option than for the other game types.

You're absolutely right! I've now added support for the blue result type that's specific to Game5x5x4.

The bot now correctly handles all three result types:

• Black: Exact match (correct shape and color in correct position)
• White: Shape+color combination match but wrong position
• Blue: Partial match (either correct shape OR correct color, but not both)

Added HandleBlueMatches algorithm and updated the result processing logic to detect and handle blue results properly. The changes only apply to Game5x5x4 - other game types continue to work with just black and white results.

Commit: 653ac56