fix OOC errors from validateUserInput on steps

[bwp91]

See issue in #1077.

Please check the unit tests to ensure the correct values are being stored for the user 'input' value.

[coveralls]

Pull Request Test Coverage Report for Build 14017382969

Details

• 3 of 3 (100.0%) changed or added relevant lines in 1 file are covered.
• No unchanged relevant lines lost coverage.
• Overall coverage increased (+0.009%) to 64.347%

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Totals
Change from base Build 14017380819:	0.009%
Covered Lines:	6239
Relevant Lines:	9299

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💛 - Coveralls

[Copilot]

Pull Request Overview

This PR fixes out-of-bound errors in the validateUserInput function by adjusting how the maximum numeric value is handled using the provided step value. Key changes include:

• Changing numericMax from a constant to a mutable variable and quantizing it based on the step.
• Adding unit tests to verify max value adjustment, quantization, and input truncation.
• Fixing a typo in one of the test descriptions.

Reviewed Changes

Copilot reviewed 2 out of 2 changed files in this pull request and generated no comments.

File	Description
src/lib/Characteristic.ts	Adjusts numericMax calculation by applying step-based rounding to the maximum value.
src/lib/Characteristic.spec.ts	Adds unit tests to ensure validateUserInput correctly adjusts and truncates input values.

Comments suppressed due to low confidence (1)

src/lib/Characteristic.ts:2731

• [nitpick] Consider renaming 'numericMax' after adjustment to 'adjustedNumericMax' to better reflect its modified value.

if (numericMax != null) {