YueGuobin 0f12786885
docs: document the XRd control-plane adaptation
New feature doc covering why XRd takes the vendor docker_exec/SKIP_INIT
path (init.sh wrapper crashes its glibc loader), the four generic
mechanisms added for it (GNS3_SHM_SIZE/GNS3_DEVICES HostConfig injection,
extra_configs file injection, GNS3_MASK_UDEV + udevadm null-binding,
host-readiness check), the three host-disturbance root causes isolated by
plain docker-run A/B/C testing, the appliance recipe with XRd-specific
gotchas (Mg0/RP0/CPU0/0, /xr-storage-shadow persistence, first-boot
semantics), and troubleshooting. Indexed in docs/README.md alongside the
docker-exec-console base doc.
2026-08-14 19:14:59 +08:00
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