fix: tea 成功時不再因輸出含 TLS 字樣而誤判重試（0.0.10）

Co-Authored-By: Claude Sonnet 5.5 <noreply@anthropic.com>

skills/herdr-issue/scripts/lib.sh

@@ -38,7 +38,7 @@ tea() {
   for ((try = 1; try <= max; try++)); do
     out="$(command tea "$1" --login "$HERDR_ISSUE_LOGIN" "${@:2}" 2>"$ef")" && rc=0 || rc=$?
     err="$(cat "$ef")"
-    if ! grep -qiE 'tls|x509|certificate|handshake' <<<"$out$err"; then break; fi
+    if [ "$rc" -eq 0 ] || ! grep -qiE 'tls|x509|certificate|handshake' <<<"$out$err"; then break; fi
     echo "herdr-issue: tea 遇到 TLS／憑證錯誤（第 $try/$max 次），3 秒後重試" >&2
     rc=${rc/#0/1}; sleep 3
   done