Build subscription metering with real-time usage tracking and alerts

[Smartdevs17]

Context

Usage-based subscriptions need real-time metering.

Current Limitation

Metering is basic with no real-time tracking.

Expected Outcome

• Real-time usage tracking
• Usage alerts and notifications
• Usage analytics
• Usage-based billing integration

Acceptance Criteria

• Real-time usage tracking per metric
• Usage alerts at configurable thresholds
• Usage analytics dashboard
• Usage-based billing integration
• Usage history and trends
• Usage API for queries
• Usage documentation

Technical Scope

• contracts/metering/src/ - Metering contract
• app/stores/meteringStore.ts - Metering store
• backend/services/billing/metering.ts - Metering service
• app/screens/ - Usage dashboard

[Dev-sandy1]

@Dev-sandy1 has applied to work on this issue as part of the Stellar Wave Program's 7th wave.

Good day. Can i work on these issue.

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Congratulations, @Dev-sandy1! 🎉 Your application was accepted by the repo's maintainers, and the issue is due on July 30, 2026.

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[drips-wave]

This issue has been completed by @Dev-sandy1 as part of the Stellar Wave Program's 7th Wave 🥳

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