D bluemoon query

[D-Bluemoon]

Description

Adds Prisma slow-query telemetry: queries exceeding SLOW_QUERY_THRESHOLD_MS (default 500ms) are logged with redacted, truncated arguments and counted in prisma_slow_queries_total by model and action.

Fixes / Closes: #365

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Type of Change

• Bug Fix (non-breaking change which fixes an issue)
• [✔️] New Feature (non-breaking change which adds functionality)
• Breaking Change (fix or feature that would cause existing functionality to not work as expected)
• Refactoring / Performance (clean-up or performance optimization without behavioral changes)
• Documentation / CI (changes to docs, workflows, config files)

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Verification & Test Plan

Automated Tests

TS_NODE_TRANSPILE_ONLY=true node --loader ts-node/esm prisma.test.ts

Manual Verification

1. Confirmed middleware warns only above the configured threshold.
2. Confirmed warning arguments redact PII and truncate to 200 characters.

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Sub-System Checklist

1. Smart Contracts (BettaPay-Contract)

• Code compiles without warnings (cargo build --release --target wasm32-unknown-unknown)
• Cargo test suite passes locally (cargo test)
• Emits events for state changes
• Implemented proper authorization controls (auth.require_auth())

2. Backend Services (BettaPay-Backend)

• Prisma models updated and migrated (if database schema changes)
• Zod validation checks added/updated
• API routes and services build successfully (pnpm build)
• Local env variables updated in .env.example

3. Frontend Dashboard (BettaPay-Frontend)

• Local build completes successfully (pnpm build)
• Focus states, labels, and aria attributes tested for accessibility
• No regression on styling or components
• Env parameters documented in .env.local

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Checklist

• My code follows the style guidelines of this project (run formatters/linters)
• [✔️] I have performed a self-review of my own code
• I have commented my code, particularly in hard-to-understand areas
• I have made corresponding changes to the documentation
• My changes generate no new warnings