docs(guanghu-os): register JD cross-root proof

product-source/hololake-platform/guanghu-os/deployments/JD-FD-PRIMARY/CROSS-ROOT-SUPERVISOR-QEMU-RECEIPT-20260815.hldp

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+schema: guanghu.jd-cross-root-qemu-receipt/v1
+receipt_id: JD-FD-PRIMARY-cross-root-qemu-5b040ca
+issued_at: 2026-08-15T23:55:00+08:00
+development_id: DEV-20260815-001
+node_id: JD-FD-PRIMARY
+node_dmi: f3d4b730-7f02-452f-975b-7091a4800431
+source_commit: 9db3ecd2e71374e6a2721f193e3360d73de342ba
+source_tree: a018fb6ab0ec2362ca0efc364269c62d73b32330
+workorder_sha256: 94a1bc9568be4dd3a6b2294ecb8988ba3aab1ebdcc722580b7f41a36b3fbccc7
+root_image_sha256: e45f7557997a3c7884fcd5d4252300462fb7a15ceebdf2d3a588606d08aa0ed3
+root_image_size: 134217728
+serial_sha256: 8c617a56af0ce5e1a2f95fb213b9cbd5a5dfd7c54e8fdb9d570bb5f1b79816d3
+trigger: The pre-root supervisor was proved, but continuing control across switch_root remained unknown.
+emergence:
+  - The first fixture mounted successfully but lacked /dev, /proc, /sys, and /lib/modules mountpoints, so run-init stopped before root entry.
+  - The corrected read-only fixture entered its own root, revalidated the moved /run handoff, started a root supervisor, and proved that process remained alive.
+lock:
+  - GUANGHU_FIRST_BOOT_SUPERVISOR_ACTIVE
+  - GUANGHU_SWITCH_ROOT_INIT_ACTIVE
+  - GUANGHU_ROOT_SUPERVISOR_ACTIVE
+  - GUANGHU_CROSS_ROOT_PERSISTENCE_VERIFIED
+why: A boot-scoped file alone is not a continuing controller; the root-side process must re-read live bindings and remain active after root transition.
+rejected:
+  - Using the live JD root disk in QEMU.
+  - Installing the systemd unit into the physical node before isolated proof.
+  - Claiming full Linux lifecycle control or final Guanghu master from a minimal fixture.
+live_readback:
+  boot_id_before: 68d4a3c9-c866-4f4a-be2e-0aa5f41a61b1
+  boot_id_after: 68d4a3c9-c866-4f4a-be2e-0aa5f41a61b1
+  repository_pid_before: 760
+  repository_pid_after: 760
+  public_code_http: 200
+  public_anchor_http: 200
+  residual_qemu_processes: 0
+  physical_boot_files_changed: false
+  physical_reboot_performed: false
+claims:
+  jd_host_qemu_pre_root_supervisor: 100
+  jd_host_qemu_cross_switch_root_supervisor: 100
+  cross_switch_root_persistent_supervisor: 100
+  physical_guanghu_first_boot: 0
+  linux_on_demand_subcontrol: 0
+  final_guanghu_os_master: 0
+next_gate: IMPLEMENT_AND_VERIFY_BOUNDED_ROOT_SUPERVISOR_TO_LINUX_REPOSITORY_BRIDGE_LIFECYCLE_IN_ISOLATION
+sources:
+  - /guanghu/recovery/JD-FD-PRIMARY-cross-root-qemu-5b040ca/WORKORDER.hldp
+  - /guanghu/recovery/JD-FD-PRIMARY-cross-root-qemu-5b040ca/qemu-cross-root.serial.log
+  - ADR-0177