Implement critical feature flagging for progressive rollout

[RUKAYAT-CODER]

Background

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Description

Implement feature flags for rollout control: enable for % of users, regions, or specific users.

Current Behavior

All users get all features immediately

Expected Behavior

Gradual rollout with feature flags

Impact

🛡️ Reduce crash risk on rollout
📊 A/B test features
🎯 Faster bug detection

Acceptance Criteria

• Implement feature flag system
• Percent-based rollout (10%, 50%, 100%)
• Regional/user-specific flags
• Update flags without app restart
• Test flag behavior
• Document flag usage

Implementation Hints

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Related Issues

• Feat/teachlink mobile #113
• test: add unit tests for Zustand store actions #128
• fix: remove unused native expo dependencies (close #041) #136

[Purity-Euphemia]

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

I’m drawn to this issue because it aligns closely with both my interests and my values. The project tackles a meaningful challenge, and I see an opportunity to contribute solutions that have a tangible impact. I enjoy working on problems that require both analytical thinking and creativity, and this issue offers exactly that balance.

ℹ️ Repo Maintainers: To accept this application, review their application or assign @Purity-Euphemia to this issue.

[shoaib050326]

@shoaib050326 has applied to work on this issue as part of the Stellar Wave Program's 5th wave.

Hi Maintainer, Can you pls assign this to me

ℹ️ Repo Maintainers: To accept this application, review their application or assign @shoaib050326 to this issue.

[drips-wave]

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

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