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Replaced usages of `Array.prototype.reduce()` in `src/agent/backtestRunner.ts`, `src/risk/guardrails.ts`, and `src/tools/portfolio.ts` with standard `for` loops. This avoids creating accumulator objects or callback functions on every iteration, particularly in hot paths like backtesting loops, reducing unnecessary garbage collection overhead. In `runBacktestSession`, three separate array passes were also consolidated into a single pass. Co-authored-by: toreleon <42534763+toreleon@users.noreply.github.com>
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💡 What: Replaced usages of
Array.prototype.reduce()with standardforloops in hot paths (backtest runner, guardrails, portfolio). Also combined three separate passes over the same array inrunBacktestSessioninto a single loop.🎯 Why:
Array.reducecreates callback closures and often allocates objects on every iteration, which leads to high garbage collection overhead in tight loops.📊 Impact: Reduced memory allocation and GC pressure, particularly for long backtest runs.
🔬 Measurement: Run a large backtest and observe faster completion times due to reduced GC overhead. Verify with
pnpm run testandpnpm run typecheck.PR created automatically by Jules for task 12651702497817763822 started by @toreleon