H.7.5 Merge Queue
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A merge queue controls which prospective repository state is admitted and in what order.
- Serial validation gives exact ordering and head-of-line blocking; batches improve reuse and complicate failure attribution.
- Scope queue protection to the changes or areas whose collision and recovery risk justify it.
- Define base freshness, conflict handling, cancellation, priority, batch splitting, and result reuse.
- A queue cannot repair flaky, stale, hidden-state, or non-hermetic evidence.
- Measure collision, delay, compute, attribution, and main recovery before and after adoption.
