fix: validate Cua window discovery filters and guide recovery

scripts/build_cua_driver.py

@@ -4,6 +4,7 @@ import argparse
 import hashlib
 import json
 import os
+import re
 import subprocess
 import urllib.request
 import zipfile
@@ -26,6 +27,11 @@ def main():
     version = json.loads((SOURCE / "plugin.json").read_text("utf-8"))["version"]
     if version.split("+", 1)[0] != UPSTREAM_VERSION:
         raise ValueError("Plugin version must match the pinned Cua Driver version")
+    match = re.search(
+        r'const adapterVersion = "([^"]+)"', (SOURCE / "main.go").read_text("utf-8")
+    )
+    if not match or match[1] != version:
+        raise ValueError("Adapter MCP version must match plugin.json")
     if hashlib.sha256(args.upstream_zip.read_bytes()).hexdigest() != DIGEST:
         raise ValueError("Cua release archive hash mismatch")
     output = args.output.resolve()
@@ -93,7 +99,7 @@ def main():
                     "source_commit": COMMIT,
                     "upstream_version": UPSTREAM_VERSION,
                     "plugin_version": version,
-                    "adapter_revision": 1,
+                    "adapter_revision": 2,
                     "prerelease": True,
                     "url": URL,
                     "sha256": DIGEST,