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>

scripts/build-bootanimation-from-gifs.sh

@@ -0,0 +1,52 @@
+#!/bin/bash
+# Build sunfish bootanimation.tar from two GIFs (loading + loaded finale).
+# Lineage Android.mk prepends "W H FPS" and appends branding/bootanimation/desc.txt.
+#
+# Sequence (desc.txt):
+#   part0 loading  — play once
+#   part1 loaded   — play once (finale before bootanim waits on part2)
+#   part2 hold     — loop last loaded frame until boot completes
+#
+# Output: vendor/sunfish-a16/branding/bootanimation/bootanimation.tar
+set -euo pipefail
+
+ROOT=$(cd "$(dirname "$0")/.." && pwd)
+LOADING=${1:-/home/aventura/Downloads/AXP_OS_Resurrection_loading.gif}
+LOADED=${2:-/home/aventura/Downloads/AXP_OS_Resurrection_loaded.gif}
+OUT="$ROOT/artifacts/bootanimation-resurrection"
+WORK="$OUT/work"
+W=1080
+H=2340
+FPS=30
+
+# Fill frame (no letterbox band); AXP_BOOTANIMATION_FULLSCREEN in branding.mk.
+VF="scale=${W}:${H}:force_original_aspect_ratio=increase,crop=${W}:${H},format=rgb24"
+
+rm -rf "$WORK"
+mkdir -p "$WORK/part0" "$WORK/part1" "$WORK/part2"
+
+ffmpeg -y -i "$LOADING" -vf "$VF" "$WORK/part0/%05d.png"
+ffmpeg -y -i "$LOADED" -vf "$VF" "$WORK/part1/%05d.png"
+
+LAST_LOADED=$(ls -1 "$WORK/part1"/*.png | sort | tail -1)
+cp "$LAST_LOADED" "$WORK/part2/00001.png"
+
+cat >"$ROOT/vendor/sunfish-a16/branding/bootanimation/desc.txt" <<'EOF'
+c 1 0 part0
+c 1 0 part1
+c 0 0 part2
+EOF
+cp "$ROOT/vendor/sunfish-a16/branding/bootanimation/desc.txt" "$WORK/desc.txt"
+
+rm -f "$OUT/bootanimation.zip"
+(cd "$WORK" && zip -0 -q "$OUT/bootanimation.zip" desc.txt && zip -0 -q -r "$OUT/bootanimation.zip" part0 part1 part2)
+unzip -t "$OUT/bootanimation.zip" >/dev/null
+
+TAR="$ROOT/vendor/sunfish-a16/branding/bootanimation/bootanimation.tar"
+(cd "$WORK" && tar cf "$TAR" part0 part1 part2)
+
+n0=$(ls -1 "$WORK/part0" | wc -l)
+n1=$(ls -1 "$WORK/part1" | wc -l)
+identify "$WORK/part0/00001.png" "$WORK/part2/00001.png"
+ls -lh "$OUT/bootanimation.zip" "$TAR"
+echo "OK: rebacon (or mka bootanimation.zip) — sync branding to host first"