add single-command orchestrator matrix cycle

bin/mosaic-orchestrator-matrix-cycle

@@ -0,0 +1,19 @@
+#!/usr/bin/env bash
+set -euo pipefail
+
+MOSAIC_HOME="${MOSAIC_HOME:-$HOME/.mosaic}"
+
+consume="$MOSAIC_HOME/bin/mosaic-orchestrator-matrix-consume"
+run="$MOSAIC_HOME/bin/mosaic-orchestrator-run"
+publish="$MOSAIC_HOME/bin/mosaic-orchestrator-matrix-publish"
+
+for cmd in "$consume" "$run" "$publish"; do
+  if [[ ! -x "$cmd" ]]; then
+    echo "[mosaic-orch-cycle] missing executable: $cmd" >&2
+    exit 1
+  fi
+done
+
+"$consume"
+"$run" --once "$@"
+"$publish"