Implement hs.mouse. Closes #129

[cmsj]

No description provided.

[greptile-apps]

Greptile Summary

Implements the new hs.mouse JavaScript module.

• Registers hs.mouse with the module root and test harness.
• Adds pointer positioning, screen lookup, device enumeration, tracking-speed, scrolling-direction, and cursor-type APIs.
• Adds JavaScriptCore integration tests and regenerated API/TypeScript documentation.

Confidence Score: 4/5

The tracking-speed input validation defect should be fixed before merging because user scripts can persist unsupported mouse acceleration values.

The module is wired consistently with existing JavaScriptCore modules, but setTrackingSpeed forwards and persists every bridged Double despite publicly restricting the value to a finite -1.0 through 3.0 range.

Hammerspoon 2/Modules/hs.mouse/HSMouseModule.swift

Important Files Changed

Filename	Overview
Hammerspoon 2/Modules/hs.mouse/HSMouseModule.swift	Adds the complete native mouse API; setTrackingSpeed fails to enforce its documented range before changing and persisting system settings.
Hammerspoon 2/Engine/ModuleRoot.swift	Correctly registers and lazily exposes the new hs.mouse module.
Hammerspoon 2/Bridging-Header.h	Adds narrow wrappers around the deprecated IOKit acceleration APIs used by the module.
Hammerspoon 2Tests/Helpers/JSTestHarness.swift	Adds hs.mouse to the harness's manually maintained module-loading switch.
Hammerspoon 2Tests/IntegrationTests/HSMouseIntegrationTests.swift	Exercises the JavaScript-visible API shape and basic behavior, but does not cover invalid tracking-speed inputs.

Prompt To Fix All With AI

Fix the following 1 code review issue. Work through them one at a time, proposing concise fixes.

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### Issue 1 of 1
Hammerspoon 2/Modules/hs.mouse/HSMouseModule.swift:325-337
**Invalid tracking speeds are persisted**

When JavaScript passes a value outside the documented -1.0 through 3.0 range, including NaN or Infinity, the setter forwards it unchanged to IOKit and persists it to `com.apple.mouse.scaling`, causing invalid or inconsistent live and persisted mouse settings.

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