docs: add software-vision and android-backup-restore skills with android scripts

Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>

scripts/android/measure.sh

@@ -0,0 +1,42 @@
+#!/usr/bin/env bash
+# Snapshot phone health: memory, load, crashes/ANRs since boot, low-memory kills, log errors, cold launches.
+# Usage: measure.sh OUT_FILE [launch-package ...]
+set -uo pipefail
+out=$1; shift
+a() { adb shell "$@" </dev/null; }
+
+{
+echo "# $(date '+%F %T') $(a getprop ro.build.display.id) / Android $(a getprop ro.build.version.release)"
+echo "## system"
+a 'uptime; cat /proc/loadavg'
+a 'grep -E "MemTotal|MemAvailable|Cached:|SwapTotal|SwapFree" /proc/meminfo'
+a 'su -c "cat /proc/sys/vm/swappiness; cat /sys/block/zram0/mm_stat 2>/dev/null"'
+echo "procs: $(a 'ls -d /proc/[0-9]* | wc -l')"
+echo "## top cpu"
+a 'top -b -n 1 -m 12 -o PID,USER,%CPU,%MEM,NAME' | tail -13
+echo "## dropbox since boot"
+boot=$(a 'date -d @$(( $(date +%s) - $(cut -d. -f1 /proc/uptime) )) "+%Y-%m-%d %H:%M:%S"')
+a "dumpsys dropbox" | awk -v b="$boot" '$1" "$2 >= b && $3 ~ /anr|crash|watchdog|tombstone|wtf|lowmem|native/ {print $3}' | sort | uniq -c
+echo "## crash buffer (FATAL / ANR per process)"
+a 'logcat -d -b crash' | grep -oE "Process: [^,]+|FATAL EXCEPTION|>>> [^ ]+ <<<" | sort | uniq -c | sort -rn | head -20
+a 'logcat -d -b events' | grep -oE "am_anr: \[[^]]*" | awk -F, '{print "ANR " $3}' | sort | uniq -c
+echo "## lmkd / am_kill"
+a 'logcat -d -b events' | grep -cE "am_kill|lmk_kill" | sed 's/^/kills: /'
+a 'logcat -d -b events' | grep -oE "am_kill: \[[^]]*" | awk -F, '{print $5}' | sort | uniq -c | sort -rn | head -10
+echo "## logcat error tags (top 25)"
+a 'logcat -d *:E' | awk '{print $6}' | sort | uniq -c | sort -rn | head -25
+echo "## thermal / battery"
+a 'dumpsys battery | grep -E "level|temperature|status"; for z in /sys/class/thermal/thermal_zone*; do echo "$(cat $z/type) $(cat $z/temp)"; done 2>/dev/null | sort -k2 -n | tail -5'
+if [ $# -gt 0 ]; then
+  echo "## cold launches (ms, am start -W -S, 3 runs)"
+  for p in "$@"; do
+    t=""
+    for _ in 1 2 3; do
+      act=$(a "cmd package resolve-activity --brief -c android.intent.category.LAUNCHER $p" | tr -d '\r' | tail -1)
+      v=$(a "am start -W -S -a android.intent.action.MAIN -c android.intent.category.LAUNCHER -n '$act'" | awk '/TotalTime/{print $2}')
+      t="$t ${v:-fail}"; a 'input keyevent KEYCODE_HOME'; sleep 2
+    done
+    echo "$p:$t"
+  done
+fi
+} 2>&1 | tee "$out"