⚡ Bolt: [performance improvement] Replace N+1 queries with bulk inArray in report cards validation

[ldsgroups225]

💡 What

Replaced a bottleneck of sequential Promise.all database queries in validateReportCardPayloads with bulk inArray() lookup functions.

🎯 Why

When bulk inserting report cards, the validation payload was extracting unique IDs from the list and doing individual database queries mapped inside a Promise.all for every unique ID across 5 different tables. This resulted in O(N) database queries which blocked the node thread and overwhelmed the connection pool.

📊 Impact

Reduces database roundtrips for large bulk array creations from O(N) queries per table to precisely O(1) query per table. This massively improves throughput and prevents network/database connection saturation during report card generation spikes.

🔬 Measurement

Tests were run via pnpm --filter @repo/data-ops test and typing was verified with pnpm typecheck. Functional parity remains exactly the same as the previous loop.

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PR created automatically by Jules for task 8354485607359897371 started by @ldsgroups225

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