Implement database query optimization with index analysis

[Smartdevs17]

Context

Database queries need optimization.

Current Limitation

No query performance analysis.

Expected Outcome

• Query performance monitoring
• Index usage analysis
• Slow query detection
• Query plan optimization

Acceptance Criteria

• Query performance logging
• Index usage statistics
• Slow query detection (>100ms)
• Query plan analysis
• Index recommendation engine
• Query performance alerts
• Database performance dashboard

Technical Scope

• backend/elasticsearch/ - ES configuration
• backend/services/shared/ - Database service
• backend/services/ - Service layer
• docs/ - Database documentation

[DTriple-p]

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

Hey, I'd like to work on this issue.

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[bulusmalaga]

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

Hey, I'd like to work on this issue. plz

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[drips-wave]

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

🧑‍💻 @bulusmalaga: Please resolve the issue such that the repo's maintainers have enough time to review your contribution before the due date. You'll earn Points for completing the issue on-time, which will make you eligible for a share of the Stellar Wave Program's reward pool.

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[drips-wave]

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

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