Supervisor had zero-delay restart on crash loops, pins CPU core at
100% if daemon keeps dying. Add exponential backoff (500ms to 30s cap,
resets after 30s stable). Set nice=10 on daemon child to yield CPU
to foreground apps. Evict stale entries from fileLocks and rate limiter
ConcurrentHashMaps that grew unbounded. Upload pre-built flashable zips
in CI instead of unpacking and re-compressing loose files.
Enginex0
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