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_collect_raw.sh

@@ -0,0 +1,47 @@
+#!/bin/sh
+set -eu
+
+project_dir=$(CDPATH='' cd -- "$(dirname -- "$0")/.." && pwd)
+fixture_bin="$project_dir/tests/fixtures/bin"
+
+payload=$(PATH="$fixture_bin:$PATH" sh "$project_dir/scripts/collect_raw.sh")
+printf '%s\n' "$payload" | jq -e '
+  .schema == 2
+  and .collector_version == "2.0.0"
+  and (.collection_id | type == "string" and length > 0)
+  and (.lsblk.blockdevices | length) == 2
+  and (.smart | length) == 2
+  and ([.smart[].requested_device] | sort) == ["/dev/nvme0", "/dev/sda"]
+  and (.smart[] | select(.requested_device == "/dev/sda") | .payload.test_standby) == true
+  and (.smart[] | select(.requested_device == "/dev/nvme0") | .payload.test_standby) == false
+  and ([.smart[].exit_code] | all(. == 0))
+' >/dev/null
+
+first_collection_id=$(printf '%s\n' "$payload" | jq -er '.collection_id')
+second_payload=$(PATH="$fixture_bin:$PATH" sh "$project_dir/scripts/collect_raw.sh")
+second_collection_id=$(printf '%s\n' "$second_payload" | jq -er '.collection_id')
+if [ "$first_collection_id" = "$second_collection_id" ]; then
+  echo "raw collector reused a collection ID" >&2
+  exit 1
+fi
+
+empty_payload=$(SMARTCTL_EMPTY=1 PATH="$fixture_bin:$PATH" sh "$project_dir/scripts/collect_raw.sh")
+printf '%s\n' "$empty_payload" | jq -e '
+  (.smart | length) == 2
+  and (.smart[] | select(.requested_device == "/dev/sda") | .exit_code) == 2
+  and (.smart[] | select(.requested_device == "/dev/sda")
+    | .payload.smartctl.messages[0].string) == "smartctl produced no JSON output"
+' >/dev/null
+
+output=$(mktemp "${TMPDIR:-/tmp}/noctalia-smart-raw-test.XXXXXX")
+PATH="$fixture_bin:$PATH" sh "$project_dir/scripts/collect_raw.sh" --output "$output"
+jq -e '.schema == 2 and (.collection_id | type == "string" and length > 0)
+  and (.smart | length) == 2' "$output" >/dev/null
+mode=$(stat -c '%a' "$output")
+if [ "$mode" != "640" ]; then
+  echo "raw collector output mode is $mode, expected 640" >&2
+  exit 1
+fi
+rm -f -- "$output"
+
+echo "raw collector tests passed"