Add one-command dev-to-prod release with clear SUCCESS/FAILED banners.

Introduce devtoprod:release orchestrator, config file, CLI result footers on deploy scripts, auto-thumb regeneration on curator fixes, and updated deploy documentation.

Co-authored-by: Cursor <cursoragent@cursor.com>

scripts/lib/cli-result.js

@@ -0,0 +1,24 @@
+/**
+ * Print a standardized final SUCCESS/FAILED banner and exit.
+ * Always the last stdout before process exit in deploy scripts.
+ */
+const WIDTH = 72;
+
+function printCliResult({ script, ok, summary, details = [] }) {
+  const label = ok ? 'SUCCESS' : 'FAILED';
+  const banner = `===== ${label}: ${script} =====`;
+  const pad = Math.max(0, WIDTH - banner.length);
+  const line = banner + '='.repeat(pad);
+
+  console.log('');
+  console.log(line);
+  if (summary) console.log(summary);
+  for (const detail of details) {
+    if (detail) console.log(detail);
+  }
+  console.log('='.repeat(WIDTH));
+
+  process.exit(ok ? 0 : 1);
+}
+
+module.exports = { printCliResult };