Add Drive Health (gustav0ar/drive-health) (#58)

* add Drive Health

* declare optional package manager commands

* use live Drive Health screenshot

* hide redundant dependency subtitle

* fix drive error counter alerts

* stabilize transient SMART availability

* address collector packaging review

* refactor: use generic collector service name

* test: harden collector packaging checks

drive-health/tests/test_packaging.sh

@@ -0,0 +1,58 @@
+#!/bin/sh
+set -eu
+
+project_dir=$(CDPATH='' cd -- "$(dirname -- "$0")/.." && pwd)
+service_template="$project_dir/packaging/noctalia-drive-health.service.in"
+timer="$project_dir/packaging/noctalia-drive-health.timer"
+fixture=$(mktemp -d "${TMPDIR:-/tmp}/drive-health-packaging.XXXXXX")
+trap 'rm -rf -- "$fixture"' EXIT HUP INT TERM
+
+sed 's/@TARGET_GID@/1000/g' "$service_template" >"$fixture/noctalia-drive-health.service"
+cp "$timer" "$fixture/noctalia-drive-health.timer"
+
+grep -q '^Group=1000$' "$fixture/noctalia-drive-health.service"
+grep -q '^RuntimeDirectoryMode=0750$' "$fixture/noctalia-drive-health.service"
+grep -q '^UMask=0027$' "$fixture/noctalia-drive-health.service"
+grep -q '^Unit=noctalia-drive-health.service$' "$fixture/noctalia-drive-health.timer"
+
+if grep -R -q 'noctalia-smart-monito[r]' "$project_dir"; then
+  echo "generic legacy collector namespace must not be read, modified, or removed" >&2
+  exit 1
+fi
+
+if grep -R -q 'noctalia-gustav0ar-drive-healt[h]' "$project_dir"; then
+  echo "publisher-specific collector namespace must not be packaged" >&2
+  exit 1
+fi
+
+declared_dependencies=$(sed -n 's/^dependencies = \[\(.*\)\]$/\1/p' "$project_dir/plugin.toml")
+for dependency in \
+    lsblk smartctl sh date dirname mkdir mktemp rm sed cat chmod mv sudo env bash \
+    install systemctl pkexec id tr pacman apt-get dnf zypper apk xbps-install emerge; do
+  case "$declared_dependencies" in
+    *\"$dependency\"*) ;;
+    *)
+      echo "runtime command is missing from plugin.toml dependencies: $dependency" >&2
+      exit 1
+      ;;
+  esac
+  grep -q "\`$dependency\`" "$project_dir/README.md" || {
+    echo "runtime command is missing from README requirements: $dependency" >&2
+    exit 1
+  }
+done
+
+if command -v systemd-analyze >/dev/null 2>&1; then
+  if ! systemd-analyze verify \
+      "$fixture/noctalia-drive-health.service" \
+      "$fixture/noctalia-drive-health.timer" >"$fixture/verify.log" 2>&1; then
+    if grep -q 'Operation not permitted' "$fixture/verify.log"; then
+      echo "systemd unit verification unavailable in this sandbox; structural checks passed"
+    else
+      cat "$fixture/verify.log" >&2
+      exit 1
+    fi
+  fi
+fi
+
+echo "collector packaging tests passed"