Sync workspace: config, docs, scripts, CI, operator rules, and submodule pointers.

- Update dbis_core, cross-chain-pmm-lps, explorer-monorepo, metamask-integration, pr-workspace/chains
- Omit embedded publish git dirs and empty placeholders from index

Made-with: Cursor

scripts/validation/validate-xdc-zero-config.sh

@@ -0,0 +1,34 @@
+#!/usr/bin/env bash
+# Parse-check JSON under config/xdc-zero/ (templates + merge fragments).
+# Usage: bash scripts/validation/validate-xdc-zero-config.sh [--dry-run]
+
+set -euo pipefail
+
+SCRIPT_DIR="$(cd "$(dirname "${BASH_SOURCE[0]}")" && pwd)"
+PROJECT_ROOT="$(cd "$SCRIPT_DIR/../.." && pwd)"
+DIR="$PROJECT_ROOT/config/xdc-zero"
+
+DRY_RUN=false
+for a in "$@"; do [[ "$a" == "--dry-run" ]] && DRY_RUN=true && break; done
+
+if $DRY_RUN; then
+  echo "Would jq-empty-parse: $DIR/*.json"
+  exit 0
+fi
+
+command -v jq >/dev/null 2>&1 || {
+  echo "ERROR: jq required" >&2
+  exit 1
+}
+
+ERR=0
+for f in "$DIR"/*.json; do
+  [[ -f "$f" ]] || continue
+  if jq empty "$f" 2>/dev/null; then
+    echo "[OK] $f"
+  else
+    echo "[ERROR] invalid JSON: $f" >&2
+    ERR=1
+  fi
+done
+exit "$ERR"