feat(certificate): show Taxpayer Full Name (not id) in certificate picker

Patch the certificate Table MultiSelect dropdown to drop the leading document
id from the description, leaving cert_no + taxpayer name / VÖEN.

Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com>

jey_erp/public/js/sales_invoice_certificates.js

@@ -179,6 +179,46 @@ function open_certificate_dialog(frm, cdn) {
 		true
 	);
 
+	// Show "cert_no" then the Taxpayer Full Name (from search_fields) in the
+	// dropdown — NOT the document id (oid). Frappe forces the doc name into the
+	// description for title links (build_for_autosuggest), so we strip that
+	// leading id token from the rendered second line. search_fields on
+	// "E-Taxes Presented Certificate" supplies taxpayer_full_name + voen.
+	patch_certificate_dropdown(fld);
+
 	d.set_value("certificates", current);
 	d.show();
 }
+
+function patch_certificate_dropdown(fld) {
+	const apply = () => {
+		const aw = fld && fld.awesomplete;
+		if (!aw || aw.__cert_name_patched) return;
+		const orig_item = aw.item;
+		aw.item = function (suggestion, input) {
+			const node = orig_item.call(this, suggestion, input);
+			try {
+				const oid = suggestion && suggestion.value;
+				const small = node && node.querySelector && node.querySelector(".small");
+				if (small && oid && small.textContent.indexOf(oid) === 0) {
+					// drop the leading "<oid>, " — keep taxpayer name/voen verbatim
+					const rest = small.textContent.slice(oid.length).replace(/^\s*,\s*/, "");
+					if (rest) {
+						small.textContent = rest;
+					} else {
+						small.remove();
+					}
+				}
+			} catch (e) {
+				// fall back to default rendering on any error
+			}
+			return node;
+		};
+		aw.__cert_name_patched = true;
+	};
+	apply();
+	// Awesomplete may be (re)created lazily; re-apply when the field gets focus.
+	if (fld && fld.$input) {
+		fld.$input.on("focus", apply);
+	}
+}