feat(redesign): complete widget tool functionality

[DarianM]

Summary of Changes

• widget web component positioning & customization:

  • positioning the widget on the left or right side of the screen.
  • font size can be set through theme config.

• wallet address input validation:

  • improved wallet address validation and error messaging in the widget form.

• preview mode:

  • isPreview prop to the widget, confirmation, and interaction components to enable previewing the widget without making real payment requests.

• css refactor & variable consistency:

  • Improved responsiveness and alignment for mobile.

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Status	Name	Latest Commit	Preview URL	Updated (UTC)
✅ Deployment successful! View logs	publisher-tools	3943ef1	Commit Preview URL	Aug 07 2025, 12:39 PM

[DarianM]

The order of merging should be:

• 1. feat: re-use widget frontend components feat: re-use widget frontend components #215
• 2. feat: create /widget route and widget builder feat: create /widget route and widget builder #214
• 3. feature(redesign): complete widget tool functionality feat(redesign): complete widget tool functionality #202 the last one

[sidvishnoi]

The "Active"/"Visible" checkboxes can be fixed as a follow up. Rest, LGTM!

[sidvishnoi]

On mobile, the preview area jumps when toggling the button.

Screencast.from.2025-08-06.17-01-44.mp4

[DarianM]

On mobile, the preview area jumps when toggling the button.
Screencast.from.2025-08-06.17-01-44.mp4

I can't find a solution to fix this because we are displaying the web widget relative to the preview container.
It is jumping due to relative positioning.