feat:(Windows): add HID keyboard support

[ReenigneArcher]

Description

Add a licensed driver-backed keyboard path on Windows, including protocol/version updates, HID report framing, broker validation, and Win32 fallback behavior when the licensed path is unavailable. Update tests and documentation to cover the new keyboard device type and control-protocol semantics.

Screenshot

Issues Fixed or Closed

• ResolvesKeyboard is detected as a virtual device instead of physical #103

Roadmap Issues

Type of Change

• feat: New feature (non-breaking change which adds functionality)
• fix: Bug fix (non-breaking change which fixes an issue)
• docs: Documentation only changes
• style: Changes that do not affect the meaning of the code (white-space, formatting, missing semicolons, etc.)
• refactor: Code change that neither fixes a bug nor adds a feature
• perf: Code change that improves performance
• test: Adding missing tests or correcting existing tests
• build: Changes that affect the build system or external dependencies
• ci: Changes to CI configuration files and scripts
• chore: Other changes that don't modify src or test files
• revert: Reverts a previous commit
• BREAKING CHANGE: Introduces a breaking change (can be combined with any type above)

Checklist

• Code follows the style guidelines of this project
• Code has been self-reviewed
• Code has been commented, particularly in hard-to-understand areas
• Code docstring/documentation-blocks for new or existing methods/components have been added or updated
• Unit tests have been added or updated for any new or modified functionality

AI Usage

See our AI usage policy.

• None: No AI tools were used in creating this PR
• Light: AI provided minor assistance (formatting, simple suggestions)
• Moderate: AI helped with code generation or debugging specific parts
• Heavy: AI generated most or all of the code changes

[sonarqubecloud]

Quality Gate passed

Issues
0 New issues
0 Accepted issues

Measures
0 Security Hotspots
0.0% Coverage on New Code
0.0% Duplication on New Code

See analysis details on SonarQube Cloud

[codecov]

Codecov Report

❌ Patch coverage is 78.53659% with 44 lines in your changes missing coverage. Please review.
✅ Project coverage is 72.81%. Comparing base (27526d0) to head (8b8e192).
✅ All tests successful. No failed tests found.

Files with missing lines	Patch %	Lines
src/platform/windows/windows_backend.cpp	77.88%	43 Missing and 1 partial ⚠️

Additional details and impacted files

@@ Coverage Diff @@## master #104 +/- ##
==========================================
+ Coverage 72.75% 72.81% +0.06% 
==========================================
Files 34 34 Lines 8780 8969 +189 Branches 3273 3329 +56 ==========================================
+ Hits 6388 6531 +143 - Misses 1747 1819 +72 + Partials 645 619 -26 

Flag	Coverage Δ
FreeBSD	52.33% <100.00%> (+0.03%)	⬆️
Linux-Clang	54.45% <100.00%> (+0.02%)	⬆️
Linux-GCC	64.98% <100.00%> (-0.02%)	⬇️
Windows-MSVC	88.04% <82.95%> (-0.28%)	⬇️
Windows-MinGW-UCRT64	62.27% <65.49%> (+0.03%)	⬆️
macOS	48.13% <100.00%> (+0.03%)	⬆️

Flags with carried forward coverage won't be shown. Click here to find out more.

Files with missing lines	Coverage Δ
src/platform/windows/control_protocol.hpp	97.23% <100.00%> (-1.62%)	⬇️
...platform/windows/shared/vhf_input_report_queue.hpp	96.98% <ø> (ø)
...latform/windows/shared/windows_device_identity.hpp	100.00% <ø> (ø)
src/platform/windows/windows_backend.cpp	82.45% <77.88%> (-1.22%)	⬇️

... and 5 files with indirect coverage changes

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