fix(settings): keep full refresh busy across phases

Centralize persisted full-refresh phase detection so the Settings rebuild button stays in its refreshing state during Laya, projection, writing, and EPG phases.

Refs #44

Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com>

test/liveAnalysisPresentation.test.js

@@ -1,6 +1,16 @@
 const test = require('node:test');
 const assert = require('node:assert/strict');
-const { layaFallbackMessage, present } = require('../public/js/services/liveAnalysisPresentation.js');
+const { isFullRefreshPhase, layaFallbackMessage, present } = require('../public/js/services/liveAnalysisPresentation.js');
+
+test('classifies every persisted full refresh phase centrally', () => {
+    const phases = [
+        'refreshing_live_sources', 'laya_identity', 'laya_language', 'projecting', 'writing',
+        'refreshing_epg_sources', 'matching_epg', 'laya_epg_matching', 'writing_epg_matches'
+    ];
+    assert.ok(phases.every(isFullRefreshPhase));
+    assert.equal(isFullRefreshPhase('complete'), false);
+    assert.equal(isFullRefreshPhase(''), false);
+});
 
 test('presents determinate channel analysis progress', () => {
     const view = present({ status: 'building', phase: 'projecting', processed: 25, total: 100 });

test/t44FullRefreshLiveRegression.test.js

@@ -0,0 +1,57 @@
+const test = require('node:test');
+const assert = require('node:assert/strict');
+const fs = require('node:fs');
+const path = require('node:path');
+const { JSDOM } = require('jsdom');
+
+const root = path.resolve(__dirname, '..');
+const readPublicScript = relativePath => fs.readFileSync(path.join(root, 'public', relativePath), 'utf8');
+
+function createSettingsDom() {
+    const dom = new JSDOM(`<!doctype html>
+        <button type="button" id="live-check-new-button">Check for new streams</button>
+        <button type="button" id="live-rebuild-catalog-button">Run full refresh</button>
+        <button type="button" id="live-analysis-button">Analyze channels</button>
+        <div id="live-analysis-status" role="status"></div>
+        <div id="live-analysis-progress" hidden>
+          <div id="live-analysis-progress-track"><span id="live-analysis-progress-bar"></span></div>
+          <div id="live-analysis-progress-text"></div>
+        </div>
+        <div id="live-analysis-fallback"></div>
+        <button type="button" id="live-analysis-details-toggle" hidden></button>
+        <pre id="live-analysis-error-details" hidden></pre>
+    `, { url: 'http://nodecast.test/', runScripts: 'outside-only' });
+    const { window } = dom;
+    window.eval(readPublicScript('js/services/liveAnalysisPresentation.js'));
+    window.eval(`${readPublicScript('js/pages/Settings.js')}\nwindow.SettingsPage = SettingsPage;`);
+    return { dom, window };
+}
+
+test('full refresh keeps the rebuild action visibly busy during Laya language detection from persisted status', () => {
+    const { dom, window } = createSettingsDom();
+    const settingsPage = Object.create(window.SettingsPage.prototype);
+    settingsPage.app = { player: { settings: { languageDetectionMode: 'laya' } } };
+    settingsPage.layaStatus = { modelPresent: true, runtimeAvailable: true };
+    settingsPage.currentLiveAnalysisAction = '';
+
+    try {
+        settingsPage.renderLiveAnalysisStatus({
+            status: 'building',
+            phase: 'laya_language',
+            phaseProcessed: 2,
+            phaseTotal: 4,
+            processed: 0,
+            total: 128
+        });
+
+        assert.equal(window.document.getElementById('live-analysis-status').textContent, 'Detecting stream languages…');
+        assert.equal(window.document.getElementById('live-analysis-progress-text').textContent, 'Language batch 2 of 4 · 50%');
+        assert.equal(
+            window.document.getElementById('live-rebuild-catalog-button').textContent,
+            'Refreshing…',
+            'full refresh should remain visibly active while the backend publishes laya_language'
+        );
+    } finally {
+        dom.window.close();
+    }
+});