009: Polish bacon fixes, OTA host scripts, and migration docs.

Restore disable_configstore, EuiccDisabler and thermal CDEV guards, branding
and rebuild/sync helpers; document device roles, laptop migration, and Gitea.

Co-authored-by: Cursor <cursoragent@cursor.com>

vendor/sunfish-a16/apps.mk

@@ -1,12 +1,7 @@
-# Bundled user apps (009) — Aurora Store, Droidify, Fossify Gallery.
-# APKs live on host at /srv/rom/prebuilts/axp-apps/ (never Git).
-# Symlink into vendor/sunfish-a16/prebuilt/ before bacon.
+# Bundled user apps (009) — Aurora + Droidify + Fossify on system_ext only.
+# APKs: /srv/rom/prebuilts/axp-apps/ → vendor/sunfish-a16/prebuilt/ (bacon symlinks).
 #
-# OpenEUICC is the privileged LPA, same as AXP GOLDEN: system_ext priv-app,
-# platform certificate, privapp whitelist. Source is not an APK prebuilt.
-# Host tree: packages/apps/OpenEUICC @ upstream 89d677e07d0e (2026-09-28).
-# Not the AXP fork tag. Datastore comes from LOS androidx.
-# prebuilts/openeuicc-deps @ 5402167 (zxing only).
+# OpenEUICC: system_ext priv-app (platform cert), not an APK prebuilt here.
 
 PRODUCT_PACKAGES += \
     AuroraStore \