Improve UI controls and state handling

[allkhor]

Summary

Introduce SmartControls, a reusable abstraction for managing local UI state,
debounced commits, and synchronization with backend values. This resolves the
issue where adjusting a slider was overwritten by incoming backend updates.

Changes

• SmartControls
  • Added createSmartControl to handle UI interaction, pending state, and
    timed commits.
• Helper Functions
  • toPercent – converts UI values (0‑15) to percentage display.
  • scaleSliderToBackend – maps UI range (0‑15) to backend range (0‑255).
• Slider Updates
  • Step size set to 1.5.
  • Percentage display now uses toPercent.
  • Slider actions go through the new SmartControls API.
• Light Toggle
  • Refactored to use SmartControls for consistent state handling.
• Layout Adjustments
  • Switched to flex rows with gaps for cleaner, responsive UI.

Testing

• Verified that slider adjustments persist despite concurrent backend updates.
• Confirmed percentage values correctly reflect fan speeds when tested with Orcaslicer; the displayed values match the backend values.
• Checked that the light toggle behaves consistently.
• Performed visual inspection of the updated layout on various screen sizes.

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Please review the changes and let me know if any further adjustments are needed.

[allkhor]

Deleted stray console.log calls that were left in the code during debugging and fix lint errors

[fidoriel]

@allkhor Thank you. I will take a look tonight.

[allkhor]

I think the Action failed and it's unrelated to this PR.
Could we skip the build and push job for pull‑request runs and only execute it after the branch is merged into main?

[fidoriel]

Id like to keep the build. But the push to ghcr.io fails for some auth reason. We might only push on main. I am fine with not having the action succeed.

[fidoriel]

Thank you for your contribution.

[allkhor]

Thanks! That’s exactly what this project is about — giving users freedom and control over their devices.