Fix pending migration notifications

test/shell.d/migrate-notify-test.sh

@@ -24,14 +24,27 @@ chmod +x "$stub_bin/omarchy-migrate"
 
 cat >"$stub_bin/systemd-run" <<'SH'
 #!/bin/bash
-exit 1
+if [[ ${OMARCHY_TEST_SYSTEMD_RUN:-run} == "fail" ]]; then
+  exit 1
+fi
+
+command=${!#}
+bash -c "$command"
 SH
 chmod +x "$stub_bin/systemd-run"
 
+cat >"$stub_bin/omarchy-notification-send" <<'SH'
+#!/bin/bash
+printf '%s\n' "$@" >"$OMARCHY_TEST_NOTIFY_ARGS"
+SH
+chmod +x "$stub_bin/omarchy-notification-send"
+
 run_notify() {
   HOME="$test_home" \
   PATH="$stub_bin:$ROOT/bin:$PATH" \
   OMARCHY_TEST_PENDING_MIGRATIONS="$1" \
+  OMARCHY_TEST_NOTIFY_ARGS="$test_tmp/notify-args" \
+  OMARCHY_TEST_SYSTEMD_RUN="${2:-run}" \
     "$ROOT/bin/omarchy-migrate-notify"
 }
 
@@ -40,7 +53,13 @@ run_notify 0 >"$test_tmp/not-pending.out" 2>"$test_tmp/not-pending.err"
 [[ ! -s $test_tmp/not-pending.err ]] || fail "migration notifier stays quiet on stderr without pending migrations"
 pass "migration notifier ignores users with no pending migrations"
 
-run_notify 1 >"$test_tmp/pending.out" 2>"$test_tmp/pending.err"
+run_notify 1 fail >"$test_tmp/pending.out" 2>"$test_tmp/pending.err"
 grep -q 'Omarchy has pending migrations' "$test_tmp/pending.err" || fail "migration notifier explains pending migrations without notification system"
 grep -q '200-migration.sh' "$test_tmp/pending.err" || fail "migration notifier lists pending migration names"
 pass "migration notifier reports pending migrations"
+
+run_notify 1 >"$test_tmp/notified.out" 2>"$test_tmp/notified.err"
+grep -Fx 'Pending Omarchy Migrations' "$test_tmp/notify-args" >/dev/null || fail "migration notifier uses pending migrations title"
+grep -Fx 'Click to run 1 pending migration.' "$test_tmp/notify-args" >/dev/null || fail "migration notifier describes the pending migration"
+grep -Fx '' "$test_tmp/notify-args" >/dev/null || fail "migration notifier includes the large-slot glyph"
+pass "migration notifier uses the actionable notification format"