feat(ci-reports): publish report.tar.gz archive for offline download

Pack HTML report after publish; link archive in run index and CI log.
Add fetch-ci-report.sh helper for agent curl/extract.

[skip ci]

scripts/publish-ci-report.sh

@@ -92,6 +92,16 @@ rm -rf "${DEST}"
 mkdir -p "${DEST}"
 cp -a "${SRC}/." "${DEST}/"
 
+create_report_archive() {
+  local dest="$1"
+  local archive="${dest}/report.tar.gz"
+  local tmp
+  tmp="$(mktemp)"
+  tar -czf "${tmp}" -C "${dest}" .
+  mv -f "${tmp}" "${archive}"
+}
+create_report_archive "${DEST}"
+
 # Convenience: CT puts index under ct_run.*; expose DEST/index.html
 if [[ ! -f "${DEST}/index.html" ]]; then
   CT_INDEX="$(find "${DEST}" -type f -name index.html 2>/dev/null | head -n 1 || true)"
@@ -123,7 +133,13 @@ INDEX="${REPORTS_DIR}/${REPO}/${RUN_ID}/index.html"
     [[ -d "${d}" ]] || continue
     name="$(basename "${d}")"
     if [[ -f "${d}index.html" ]]; then
-      echo "<li><a href=\"./${name}/index.html\">${name}</a></li>"
+      if [[ -f "${d}report.tar.gz" ]]; then
+        echo "<li><a href=\"./${name}/index.html\">${name}</a> — <a href=\"./${name}/report.tar.gz\">report.tar.gz</a></li>"
+      else
+        echo "<li><a href=\"./${name}/index.html\">${name}</a></li>"
+      fi
+    elif [[ -f "${d}report.tar.gz" ]]; then
+      echo "<li><a href=\"./${name}/\">${name}/</a> — <a href=\"./${name}/report.tar.gz\">report.tar.gz</a></li>"
     else
       echo "<li><a href=\"./${name}/\">${name}/</a></li>"
     fi
@@ -132,15 +148,18 @@ INDEX="${REPORTS_DIR}/${REPO}/${RUN_ID}/index.html"
 } > "${INDEX}"
 
 URL="${BASE_URL}/${REPO}/${RUN_ID}/${KIND}/"
+ARCHIVE_URL="${BASE_URL}/${REPO}/${RUN_ID}/${KIND}/report.tar.gz"
 INDEX_URL="${BASE_URL}/${REPO}/${RUN_ID}/"
 echo "Report stand: ${STAND}"
 echo "Report: ${URL}"
+echo "Report archive: ${ARCHIVE_URL}"
 echo "Report index: ${INDEX_URL}"
 echo "Report path: ${DEST}"
 if [[ -n "${GITHUB_STEP_SUMMARY:-}" ]]; then
   {
     echo "### Test report"
     echo "- [${KIND}](${URL})"
+    echo "- [${KIND} archive](${ARCHIVE_URL})"
     echo "- [index](${INDEX_URL})"
   } >> "${GITHUB_STEP_SUMMARY}"
 fi