ui: split Phone simulator into Phone and TR Config pills

- Phone pill: STK menu, STATUS and polling and the subscribed-events list
  in one row, proactive command log full-width below (room for more
  elements)
- TR Config pill: response data injected into TERMINAL RESPONSEs;
  currently the PROVIDE LOCAL INFORMATION dictionary, structured as
  heading + body blocks for future proactive-command responses
- phoneSwitchSubtab() mirrors the other sub-tab switchers and sets help
  anchors stk-menu / pli-dict; switchTab('phone') always opens Phone
- refreshDynamicI18n renders only the visible phone panel
- help EN/RU section 6 regrouped (6.4 STATUS polling under Phone, 6.5
  TR Config response data), READMEs and AGENTS.md updated
- structural and behavioral tests (html.test.js, phone_tabs.test.js);
  SW cache v93 -> v94

frontend/tests/html.test.js

@@ -26,3 +26,10 @@ test('profiler and phone simulator are top-level tab contents', () => {
     assert.ok(html.includes('id="tab-profiler" class="tab-content hidden"'));
     assert.ok(html.includes('id="tab-phone" class="tab-content hidden"'));
 });
+
+test('phone simulator has Phone / TR Config pills', () => {
+    assert.match(html, /data-phone-sub="phone" onclick="phoneSwitchSubtab\('phone'\)"/);
+    assert.match(html, /data-phone-sub="tr" onclick="phoneSwitchSubtab\('tr'\)"/);
+    assert.ok(html.includes('id="phone-sub-phone"'));
+    assert.ok(html.includes('id="phone-sub-tr"'));
+});