feat: onboard service desk as second CASAN project

packages/casan-harness/tests/phase-service-desk-onboard-tests.sh

@@ -0,0 +1,19 @@
+#!/usr/bin/env bash
+set -euo pipefail
+SCRIPT_DIR="$(cd "$(dirname "${BASH_SOURCE[0]}")" && pwd)"
+source "$SCRIPT_DIR/../scripts/bash/casan-paths.sh"
+ROOT="$CASAN_APP_ROOT"; S="$CASAN_HARNESS_ROOT/scripts/bash"; DOMAIN="$ROOT/apps/service-desk/domain"
+W="$(mktemp -d)"; trap 'rm -rf "$W"' EXIT
+PASS=0; FAIL=0
+pass() { echo "PASS: $1"; PASS=$((PASS+1)); }
+fail() { echo "FAIL: $1"; FAIL=$((FAIL+1)); }
+node --test "$ROOT/apps/service-desk/test/ticket.test.mjs" >/dev/null && pass "Service Desk domain tests pass" || fail "Service Desk domain tests fail"
+python3 "$S/traceability-matrix.py" --requirements "$DOMAIN/input/service-desk-requirement.md" --map "$DOMAIN/traceability-map.json" --out "$W/trace.json" --gate >/dev/null \
+  && python3 - "$W/trace.json" <<'PY' && pass "four Service Desk requirements have code and test evidence" || fail "Service Desk traceability fails"
+import json, sys
+d=json.load(open(sys.argv[1])); assert d['summary']['requirements']==4 and d['summary']['failed']==0
+PY
+bash "$S/verify-harness-reuse.sh" | grep -q 'HARNESS_REUSE_VALID.*project_count=2.*CASAN_SERVICE_DESK' \
+  && pass "two active independent domain packs prove reuse" || fail "reuse registry not valid"
+echo "===== SERVICE DESK ONBOARD SUMMARY: PASS=$PASS FAIL=$FAIL ====="
+[[ "$FAIL" -eq 0 ]]