🔧 Add loading states to all async operations

[Smartdevs17]

Problem

Inconsistent loading state handling across screens.

Context

Users see spinner sometimes, not others, creating confusion.

Proposed Solution

Standardize loading:

1. Define LoadingState type
2. Add loading to all stores
3. Show consistent loading UI
4. Handle error states

Acceptance Criteria

• All async ops have loading state
• Consistent loading UI
• Error messages shown
• Retry available on error

Technical Notes

Files: All screens and stores

Constraints

• Keep UI responsive
• Handle partial loading
• Consider skeleton screens

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[patopatrish]

@patopatrish has applied to work on this issue as part of the Stellar Wave Program's 4th wave.

Hey maintainer can i work on this?

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[rindicomfort]

@rindicomfort has applied to work on this issue as part of the Stellar Wave Program's 5th wave.

I'd love to work on this

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Congratulations, @rindicomfort! 🎉 Your application was accepted by the repo's maintainers, and the issue is due on June 2, 2026.

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This issue has been completed by @rindicomfort as part of the Stellar Wave Program's 5th Wave 🥳

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