fix(install): ship apply-by-type.md and check it for updates

install.sh must copy the new skill supporting file, or SKILL.md points
at a file that does not exist. Add it and adam-skill-utility.mjs to the
pending-update paths in adam-nudge.mjs. adam-skill-utility.mjs was
installed but not checked.

Claude-Session: https://claude.ai/code/session_014prTNuJnKuwcAd28vUZAnN

hooks/adam-nudge.mjs

@@ -39,6 +39,7 @@ const PENDING_CHECK_PATHS = [
   "hooks/adam-nudge.mjs",
   "agents/adam.md",
   "skills/adam-self-improvement/SKILL.md",
+  "skills/adam-self-improvement/apply-by-type.md",
   "commands/reflect.md",
   "adam/scripts/adam-archive.mjs",
   "adam/scripts/adam-upgrade.mjs",
@@ -48,6 +49,7 @@ const PENDING_CHECK_PATHS = [
   "adam/scripts/adam-cooldown.mjs",
   "adam/scripts/adam-score.mjs",
   "adam/scripts/adam-ab-measure.mjs",
+  "adam/scripts/adam-skill-utility.mjs",
   "adam/scripts/adam-apply-reinforcement.mjs",
   "adam/scripts/adam-apply-nudge.mjs",
   "adam/scripts/adam-utils.mjs",