v3.14.1: the counter probe demands its PoR

_counter_probe_params validates SPI2, forces b1 (PoR required; a caller's
00 becomes 01) and defaults to the RAM listing transport 21; the no-PoR
error names the effective SPI2, and ramSyncCounter posts
ramListingSpi2('40') for the RAM view (the failed operation's transport).

Live 2026-10-02 (NP BAP): the probe had sent the plain SCP80 form's 00
(no PoR) - the card answered the ENVELOPE 9000 and sent nothing, so the
probe stopped after one packet with "card verdict: no PoR".

Docs: docs/api.md, repo AGENTS.  sw cache simple-v376.
Tests: 670 Python + 798 frontend green.

frontend/index.html

@@ -1877,7 +1877,7 @@
 // ===== Version =====
 // Single source of truth for the PWA version: shown in the header and used
 // by the server version check in pysimConnect().
-const SIMPLE_VERSION = '3.14.0';
+const SIMPLE_VERSION = '3.14.1';
 document.getElementById('app-version').textContent = 'v' + SIMPLE_VERSION;
 
 // ===== Tab switching =====
@@ -11323,7 +11323,12 @@ async function ramSyncCounter(presetIdx, view) {
 	const tar = val('sp-tar').replace(/[^0-9a-fA-F]/g, '').toUpperCase();
 	if (tar) body.tar = tar;
 	if (val('sp-spi1')) body.spi1 = val('sp-spi1');
-	if (val('sp-spi2-hex')) body.spi2 = val('sp-spi2-hex');
+	// The probe needs a PoR: use the transport the failed operation used - the
+	// RAM listings pin SPI2 0x21 (ramListingSpi2); a plain send whose SPI2
+	// requested no PoR cannot raise the low-counter notice, so the form's
+	// value is already PoR-requesting here.
+	if (view === 'ram') body.spi2 = ramListingSpi2('40');
+	else if (val('sp-spi2-hex')) body.spi2 = val('sp-spi2-hex');
 	const cntr = val('sp-cntr').replace(/[^0-9a-fA-F]/g, '');
 	if (cntr) body.cntr = cntr;
 	if (box) box.innerHTML = '<div class="text-sm text-gray-500 dark:text-slate-400">' +

frontend/sw.js

@@ -1,4 +1,4 @@
-const CACHE = 'simple-v375';
+const CACHE = 'simple-v376';
 const URLS = [
   'index.html',
   'help.html',

frontend/tests/ram.test.js

@@ -981,6 +981,8 @@ test('every SCP80/RAM flow checks the low counter and stops', () => {
 	assert.ok(sync.includes('kvnOf(other)'), sync);
 	assert.ok(sync.includes("getElementById('sp-cntr')"), sync);
 	assert.ok(sync.includes('spKeysetSync()'), 'the keyset labels must refresh');
+	assert.ok(sync.includes("ramListingSpi2('40')"),
+		'the RAM view must probe with the RAM listing transport (a PoR is required)');
 });
 
 test('the RAM form offers the command format choice', () => {