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⚡ Optimize transaction ledger performance#26

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alfieprojectsdev wants to merge 1 commit into
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perf-optimize-transactions-ledger-12137547584604986030
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⚡ Optimize transaction ledger performance#26
alfieprojectsdev wants to merge 1 commit into
mainfrom
perf-optimize-transactions-ledger-12137547584604986030

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@alfieprojectsdev

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The transaction ledger in App.tsx was performing an expensive .slice().reverse() operation on every render. This has been optimized by:

  1. Handling the sort at the database query level in useInventory.ts.
  2. Adding a compound index on ['sku', 'timestamp'] to client/src/db/schema.ts to support this query efficiently.
  3. Incrementing the schema version and providing a migration strategy to handle the schema change.
  4. Cleaning up the render logic in App.tsx to use the pre-sorted data.

This improves performance by reducing JS execution time per render and minimizing memory allocations.


PR created automatically by Jules for task 12137547584604986030 started by @alfieprojectsdev

- Added compound index `[['sku', 'timestamp']]` to transaction schema.
- Incremented transaction schema version to 1.
- Added identity migration strategy for version 1.
- Updated `useInventory` hook to sort transactions by `timestamp` descending.
- Removed expensive `.slice().reverse()` from `App.tsx` render loop.

This change moves O(N) sorting and array allocations out of the React render loop and into the database layer, where it is supported by an index.

Co-authored-by: alfieprojectsdev <11991855+alfieprojectsdev@users.noreply.github.com>
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