AXP Magisk resurrection track: Speckit 009 port AXP/LOS22 to LOS23.

Ship Magisk like GOLDEN; KernelSU optional recycle only; parallel to sunfish-a16-rom standby.

specs/004-microg-phonesky-integration/quickstart.md

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+# Quickstart: validate 004 on LAB
+
+## Prerequisites
+
+- `003` vanilla known-good on LAB (or re-flash `004` build cleanly)
+- Serial **only** `11231JEC207477`
+- Host prebuilts populated per `docs/004-phonesky-runbook.md`
+
+## Build (rom-dev01)
+
+```bash
+ssh a16-build   # or android-build via a16-build alias
+# ensure prebuilts exist
+cat /srv/rom/prebuilts/microg/VERSIONS.txt
+cat /srv/rom/prebuilts/phonesky/VERSIONS.txt
+cd /srv/rom/src/lineage
+source build/envsetup.sh
+breakfast sunfish userdebug
+mka bacon -j8
+```
+
+Copy zip to `/srv/rom/artifacts/004-…/` + SHA-256; rsync to laptop.
+
+## Flash LAB
+
+Same flow as `docs/003-flash-lab.md` (dtbo → boot recovery → format if needed →
+sideload). **No** GApps add-ons beyond what is already in the ROM image.
+
+## Validate
+
+1. `adb devices` shows LAB only.
+2. Package contract (`contracts/packages.md`).
+3. Open **microG Settings → Self-Check**; screenshot to
+   `/srv/rom/artifacts/004-…/selfcheck/` (or laptop `.local-artifacts`).
+4. Open Play Store; note whether login/install works or is blocked pending
+   `005`.
+5. Confirm no Magisk/KSU: `pm list packages | grep -iE 'magisk|kernelsu'`.
+
+## Pass criteria
+
+- SC-001…SC-005 from `spec.md`
+- Spoofing-only Self-Check failures explicitly listed as `005` follow-ups