feat(input): implement libvirtualhid

[ReenigneArcher]

Description

This PR implements libvirtualhid in Sunshine, replacing inputtino on Linux, vigembus on Windows AMD64, but still falling back to vigembus on Windows ARM64.

TODO:

• CI/CD passing
• Sonar
• Test coverage
• Testing
  • Windows
    • Gamepads
    • Keyboard
    • Mouse
    • Touch
    • Pen
  • Linux
    • Gamepads
    • Keyboard
    • Mouse
    • Touch
    • Pen
  • FreeBSD
    • Gamepads
    • Keyboard
    • Mouse
    • Touch
    • Pen
• Remove vigembus helpers from web-ui
• Create release of libvirtualhid
• Publish libvirtualhid driver to MSFT store

Screenshot

Issues Fixed or Closed

• Resolves Transition away from ViGEmBus #3527
• Resolves Sunshine shows ViGEmBus is not installed or running #2270
• Resolves ViGEmBus installation failed, and the error message was not helpful #4862
• Resolves Controller suddenly stopped working. Tried all the logical things, no movement. #2293
• Resolves When your controller input connected in 'local host side', sunshine/ViGEM drop&lock the input in the middle. #4193
• Resolves No warning or retry button during installation when the ViGEmBus driver fails to install #3660
• Resolves It is no longer possible to use Sunshine without ViGEmBus #3442
• Resolves DS5 is not recognized #2041
• Resolves Usage > Windows documentation links to retired project ViGEmBus #1741
• Resolves I encountered a problem where the ViGEm gamepad will be disabled if PC is connected to a controller receiver. #2093
• Resolves PC reboots without prompt #1805

Roadmap Issues

• Closes Sunshine: replace ViGEmBus roadmap#10

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

• 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

[codecov]

Bundle Report

Changes will increase total bundle size by 1.21kB (0.05%) ⬆️. This is within the configured threshold ✅

Detailed changes

Bundle name	Size	Change
sunshine-esm	855.75kB	1.21kB (0.14%) ⬆️

Affected Assets, Files, and Routes:

view changes for bundle: sunshine-esm

Assets Changed:

Asset Name	Size Change	Total Size	Change (%)
assets/createLucideIcon-*.js	240 bytes	358.7kB	0.07%
assets/config-*.js	969 bytes	70.65kB	1.39%

Files in assets/config-*.js:

• ./src_assets/common/assets/web/config.html → Total Size: 0 bytes

[sonarqubecloud]

Quality Gate failed

Failed conditions
19 New issues
19 New Code Smells (required ≤ 0)

See analysis details on SonarQube Cloud

Catch issues before they fail your Quality Gate with our IDE extension SonarQube for IDE

[codecov]

Codecov Report

❌ Patch coverage is 2.11382% with 602 lines in your changes missing coverage. Please review.
⚠️ Please upload report for BASE (master@92a9230). Learn more about missing BASE report.
✅ All tests successful. No failed tests found.

Files with missing lines	Patch %	Lines
src/platform/virtualhid_input.cpp	1.61%	472 Missing and 15 partials ⚠️
src/platform/linux/input/virtualhid.cpp	6.45%	55 Missing and 3 partials ⚠️
src/platform/windows/input.cpp	1.78%	50 Missing and 5 partials ⚠️
src/config.cpp	0.00%	1 Missing ⚠️
src/input.cpp	0.00%	1 Missing ⚠️

Additional details and impacted files

@@            Coverage Diff            @@
##             master    #5368   +/-   ##
=========================================
  Coverage          ?   26.94%           
=========================================
  Files             ?      107           
  Lines             ?    25625           
  Branches          ?    11225           
=========================================
  Hits              ?     6904           
  Misses            ?    16843           
  Partials          ?     1878           

Flag	Coverage Δ
FreeBSD-amd64	12.45% <1.69%> (?)
Homebrew-macos-14	21.01% <0.00%> (?)
Homebrew-macos-15	21.17% <0.00%> (?)
Homebrew-macos-26	21.29% <0.00%> (?)
Homebrew-ubuntu-24.04	12.90% <2.00%> (?)
Linux-AppImage	12.25% <2.00%> (?)
Windows-AMD64	14.77% <1.64%> (?)
Windows-ARM64	12.85% <0.96%> (?)
macOS-arm64	19.28% <0.00%> (?)
macOS-x86_64	18.75% <0.00%> (?)

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

Files with missing lines	Coverage Δ
src/config.h	0.00% <ø> (ø)
src/config.cpp	24.00% <0.00%> (ø)
src/input.cpp	18.86% <0.00%> (ø)
src/platform/windows/input.cpp	0.33% <1.78%> (ø)
src/platform/linux/input/virtualhid.cpp	6.45% <6.45%> (ø)
src/platform/virtualhid_input.cpp	1.61% <1.61%> (ø)

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