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chore: apply PR suggestions - #3589

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barjin merged 1 commit into
feat/session-reuse-strategyfrom
claude/fix-pr-comments-Tlr5C
Apr 21, 2026
Merged

chore: apply PR suggestions#3589
barjin merged 1 commit into
feat/session-reuse-strategyfrom
claude/fix-pr-comments-Tlr5C

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@barjin barjin commented Apr 21, 2026

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Summary

Simplified and optimized the session selection logic in SessionPool.getSession() by consolidating duplicate code paths and improving the random selection algorithm.

Key Changes

  • Unified 'use-until-failure' strategy: Replaced explicit loop with Array.find() for cleaner code
  • Consolidated round-robin and random strategies: Both now follow the same pattern of selecting a session and then checking if it's usable, eliminating duplicate usability checks
  • Improved random selection: Replaced reservoir sampling algorithm with a simpler _getRandomIndex() method call, reducing algorithmic complexity
  • Removed redundant cleanup logic: Eliminated the separate loop that checked for retired sessions in full pools; cleanup now happens naturally when an unusable session is returned
  • Enhanced test coverage: Updated test to call getSession() 50 times instead of once to better validate session reuse behavior under repeated access patterns

Implementation Details

The refactoring maintains the same external behavior while reducing code duplication. The key insight is that for round-robin and random strategies, we can select a session first and then check its usability, rather than iterating through all sessions to find a usable one. This simplifies the logic and makes the code more maintainable.

https://claude.ai/code/session_01S3n74bCddQXdtqWFgoSiJ7

- use `Array.find` for use-until-failure
- use `_getRandomIndex` for random strategy (no reservoir sampling)
- only return undefined when the picked session is unusable, letting
  round-robin keep cycling through remaining usable sessions instead of
  degenerating into always creating a new one after any retirement

https://claude.ai/code/session_01S3n74bCddQXdtqWFgoSiJ7
@barjin barjin changed the title Refactor SessionPool session selection logic chore: apply PR suggestions Apr 21, 2026
@barjin
barjin merged commit 942195e into feat/session-reuse-strategy Apr 21, 2026
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@barjin
barjin deleted the claude/fix-pr-comments-Tlr5C branch April 21, 2026 13:41
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3 participants