Fix C++ compilation errors and resolve .gitignore merge conflict

[Copilot]

Code fails to compile due to invalid std::bool type usage and undeclared percision_mode variable.

Changes

• Fix invalid type declarations: Replace std::bool with bool (C++ has no std::bool)
• Fix undeclared variable: Add precision_mode declaration and fix typo (percision_mode → precision_mode)
• Resolve merge conflict: Clean up .gitignore by combining both branches

Before

std::bool attack_mode = false;
std::bool a_was_pressed = false;
// ...
percision_mode = !percision_mode;  // undeclared

After

bool attack_mode = false;
bool a_was_pressed = false;
bool precision_mode = false;
// ...
precision_mode = !precision_mode;

Original prompt

e

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