Kevin Veen-Birkenbach e7712880f1 test(e2e): Debian QEMU build+boot+unlock harness and deterministic direct transport ...

Extend the QEMU e2e to cover the initramfs-tools backend and add a
deterministic unlock transport that avoids the flaky public-Tor onion
round-trip inside QEMU.

- build_image_debian.sh: debootstrap Bookworm, install the real
  lim/configuration/initramfs-tools hooks, LUKS + cryptsetup-initramfs +
  dropbear-initramfs, offline onion keys, boot-ok marker; same image.env
  contract as build_image.sh.
- config.py: QemuSpec gains os_family / unlock_command / direct_ssh_port;
  Debian cmdline uses root=/dev/mapper (crypttab-baked, no cryptdevice=);
  direct_ssh_port adds hostfwd to guest dropbear and a plain-SSH target.
- harness.py: unlock_transport="direct" default, _NullNet, per-OS build
  script + unlock command, up-front sudo priming with keepalive.
- boot_unlock.py: background delivery worker holds the SSH session open;
  direct vs tor target and initial delay.
- test_qemu_harness_unit.py: always-on guards for the Debian/direct branches;
  test_qemu_unlock_e2e.py parameterized by ARCH/OS/TRANSPORT env.

Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com>

2026-07-24 18:15:55 +02:00

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