De-dupe response cache clearing

[tudddorrr]

No description provided.

[claude]

🔵 Test Coverage

This PR introduces important behavioral changes (job deduplication via jobId) but lacks test coverage. Consider adding tests to verify:

// Test that duplicate cache clear requests are deduplicated
test('should deduplicate multiple cache clear requests for the same key', async () => {
  const key = 'channels-search-123-*'
  
  // Queue multiple clears for the same key
  await Promise.all([
    deferClearResponseCache(key),
    deferClearResponseCache(key),
    deferClearResponseCache(key)
  ])
  
  const queue = getGlobalQueue('clear-response-cache')
  const jobs = await queue.getJobs(['waiting', 'active'])
  
  // Should only have 1 job due to deduplication
  expect(jobs.filter(j => j.id === `clear-cache-${key}`)).toHaveLength(1)
})

---

Summary

The implementation looks solid - using jobId for deduplication is the correct approach, and the cleanup options prevent job accumulation. The main gap is test coverage for this behavioral change.

[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 99.21%. Comparing base (3168693) to head (7b6ceed).
⚠️ Report is 2 commits behind head on develop.

Additional details and impacted files

@@           Coverage Diff            @@
##           develop     #713   +/-   ##
========================================
  Coverage    99.21%   99.21%           
========================================
  Files          226      226           
  Lines        16637    16641    +4     
  Branches      1542     1541    -1     
========================================
+ Hits         16506    16510    +4     
  Misses         128      128           
  Partials         3        3           

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