diff --git a/public/css/main.css b/public/css/main.css
index c2cbe27..932f0ce 100644
--- a/public/css/main.css
+++ b/public/css/main.css
@@ -768,6 +768,30 @@ h4 {
   background: var(--color-bg-tertiary);
 }
 
+.live-analysis-panel {
+  margin-bottom: var(--space-md);
+  padding: var(--space-md);
+  border-radius: var(--radius-sm);
+  background: var(--color-bg-tertiary);
+}
+
+.live-analysis-panel [hidden] {
+  display: none !important;
+}
+
+.live-analysis-heading {
+  display: flex;
+  align-items: flex-start;
+  justify-content: space-between;
+  gap: var(--space-md);
+}
+
+@media (max-width: 600px) {
+  .live-analysis-heading {
+    flex-direction: column;
+  }
+}
+
 .laya-model-panel [hidden] {
   display: none !important;
 }
diff --git a/public/index.html b/public/index.html
index 0aaee98..274d708 100644
--- a/public/index.html
+++ b/public/index.html
@@ -10,7 +10,7 @@
   <title>nodecast-tv | IPTV Player</title>
   <meta name="description" content="Stream live TV, movies, and series with EPG support">
   <link rel="icon" type="image/svg+xml" href="/favicon.svg">
-  <link rel="stylesheet" href="css/main.css?v=7">
+  <link rel="stylesheet" href="css/main.css?v=8">
   <link rel="preconnect" href="https://fonts.googleapis.com">
   <link rel="preconnect" href="https://fonts.gstatic.com" crossorigin>
   <link href="https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700&family=Outfit:wght@800&display=swap"
@@ -469,6 +469,26 @@
               <div class="channel-matching-settings">
                 <h4>Channel matching</h4>
                 <p class="setting-hint">Choose how Nodecast TV identifies matching streams and languages.</p>
+                <div class="live-analysis-panel" id="live-analysis-panel">
+                  <div class="live-analysis-heading">
+                    <div>
+                      <strong>Channel analysis</strong>
+                      <div class="setting-hint">Group matching streams into channels and update detected languages.</div>
+                    </div>
+                    <button type="button" class="btn btn-primary" id="live-analysis-button">Analyze channels</button>
+                  </div>
+                  <p class="setting-hint">Use this to analyze channels that were added before automatic analysis was enabled.</p>
+                  <div id="live-analysis-status" class="setting-hint" role="status">Checking status…</div>
+                  <div id="live-analysis-progress" class="laya-progress" hidden>
+                    <div id="live-analysis-progress-track" class="laya-progress-track" role="progressbar" aria-label="Channel analysis progress">
+                      <span id="live-analysis-progress-bar" class="laya-progress-bar"></span>
+                    </div>
+                    <div id="live-analysis-progress-text" class="setting-hint"></div>
+                  </div>
+                  <div id="live-analysis-fallback" class="setting-hint"></div>
+                  <button type="button" class="btn btn-ghost laya-details-toggle" id="live-analysis-details-toggle" aria-expanded="false" hidden>Show details</button>
+                  <pre id="live-analysis-error-details" class="laya-error-details" hidden></pre>
+                </div>
                 <div class="matching-mode-options">
                   <label class="matching-mode-card">
                     <input type="radio" name="language-detection-mode" value="algo" checked>
@@ -1185,6 +1205,7 @@
   <script src="/js/services/channelLanguageDetection.js?v=1"></script>
   <script src="/js/services/channelLanguageFusion.js?v=1"></script>
   <script src="/js/services/layaStatusPresentation.js?v=4"></script>
+  <script src="/js/services/liveAnalysisPresentation.js?v=1"></script>
   <script src="/js/services/liveChannelProjection.js?v=1"></script>
   <script src="/js/services/channelVariantGrouping.js?v=6"></script>
   <script src="/js/components/ChannelList.js?v=11"></script>
@@ -1195,7 +1216,7 @@
   <script src="/js/pages/Guide.js?v=2"></script>
   <script src="/js/pages/MoviesPage.js?v=4"></script>
   <script src="/js/pages/SeriesPage.js?v=1"></script>
-  <script src="/js/pages/Settings.js?v=7"></script>
+  <script src="/js/pages/Settings.js?v=8"></script>
   <script src="/js/pages/WatchPage.js?v=1"></script>
   <script src="/js/app.js?v=4"></script>
   <script>
diff --git a/public/js/api.js b/public/js/api.js
index 5f3a990..e7aa057 100644
--- a/public/js/api.js
+++ b/public/js/api.js
@@ -83,7 +83,9 @@ const API = {
             if (sourceId) params.set('sourceId', sourceId);
             params.set('includeHidden', String(Boolean(includeHidden)));
             return API.request('GET', `/live/channels?${params.toString()}`);
-        }
+        },
+        rebuildProjection: () => API.request('POST', '/live/projection/rebuild'),
+        getProjectionStatus: () => API.request('GET', '/live/projection/status')
     },
 
     // Favorites
diff --git a/public/js/pages/Settings.js b/public/js/pages/Settings.js
index af6da85..a3d664c 100644
--- a/public/js/pages/Settings.js
+++ b/public/js/pages/Settings.js
@@ -87,6 +87,7 @@ class SettingsPage {
         });
 
         this.initLayaSettings();
+        this.initLiveAnalysis();
 
         // EPG refresh interval
         const epgRefreshSelect = document.getElementById('epg-refresh-interval');
@@ -105,6 +106,110 @@ class SettingsPage {
         this.updateEpgLastRefreshed();
     }
 
+    initLiveAnalysis() {
+        document.getElementById('live-analysis-button')?.addEventListener('click', () => void this.runLiveAnalysis());
+        document.getElementById('live-analysis-details-toggle')?.addEventListener('click', () => {
+            const button = document.getElementById('live-analysis-details-toggle');
+            const details = document.getElementById('live-analysis-error-details');
+            const expanded = button.getAttribute('aria-expanded') === 'true';
+            button.setAttribute('aria-expanded', String(!expanded));
+            details.hidden = expanded;
+        });
+        void this.loadLiveAnalysisStatus();
+    }
+
+    async loadLiveAnalysisStatus() {
+        try {
+            this.liveAnalysisStatus = await API.live.getProjectionStatus();
+        } catch (err) {
+            this.liveAnalysisStatus = { status: 'error', error: err.message };
+        }
+        this.renderLiveAnalysisStatus(this.liveAnalysisStatus);
+        const presentation = LiveAnalysisPresentation.present(this.liveAnalysisStatus);
+        if (presentation.busy) this.startLiveAnalysisPolling();
+        return this.liveAnalysisStatus;
+    }
+
+    renderLiveAnalysisStatus(status = {}) {
+        const button = document.getElementById('live-analysis-button');
+        const statusElement = document.getElementById('live-analysis-status');
+        const progress = document.getElementById('live-analysis-progress');
+        const track = document.getElementById('live-analysis-progress-track');
+        const bar = document.getElementById('live-analysis-progress-bar');
+        const progressText = document.getElementById('live-analysis-progress-text');
+        const fallback = document.getElementById('live-analysis-fallback');
+        const detailsButton = document.getElementById('live-analysis-details-toggle');
+        const details = document.getElementById('live-analysis-error-details');
+        if (!button || !statusElement) return;
+
+        const presentation = LiveAnalysisPresentation.present(status);
+        button.textContent = presentation.buttonLabel;
+        button.disabled = presentation.busy;
+        statusElement.textContent = presentation.statusLabel;
+        progress.hidden = !presentation.busy;
+        track.classList.toggle('indeterminate', presentation.progressIndeterminate);
+        if (presentation.progressPercent === null) {
+            track.removeAttribute('aria-valuemin');
+            track.removeAttribute('aria-valuemax');
+            track.removeAttribute('aria-valuenow');
+            bar.style.width = '';
+        } else {
+            track.setAttribute('aria-valuemin', '0');
+            track.setAttribute('aria-valuemax', '100');
+            track.setAttribute('aria-valuenow', String(presentation.progressPercent));
+            bar.style.width = `${presentation.progressPercent}%`;
+        }
+        progressText.textContent = presentation.progressText;
+        track.setAttribute('aria-valuetext', presentation.progressText);
+        const mode = this.app.player?.settings?.languageDetectionMode || 'algo';
+        fallback.textContent = LiveAnalysisPresentation.layaFallbackMessage(mode, this.layaStatus);
+        detailsButton.hidden = !presentation.errorDetail;
+        detailsButton.setAttribute('aria-expanded', 'false');
+        details.hidden = true;
+        details.textContent = presentation.errorDetail;
+    }
+
+    async runLiveAnalysis() {
+        const button = document.getElementById('live-analysis-button');
+        if (button?.disabled) return;
+        this.liveAnalysisStatus = { ...(this.liveAnalysisStatus || {}), status: 'queued', processed: 0 };
+        this.renderLiveAnalysisStatus(this.liveAnalysisStatus);
+        try {
+            const response = await API.live.rebuildProjection();
+            this.liveAnalysisStatus = response.projection || response;
+            this.renderLiveAnalysisStatus(this.liveAnalysisStatus);
+            this.startLiveAnalysisPolling();
+        } catch (err) {
+            this.liveAnalysisStatus = { status: 'error', error: err.message };
+            this.renderLiveAnalysisStatus(this.liveAnalysisStatus);
+        }
+    }
+
+    startLiveAnalysisPolling() {
+        if (this.liveAnalysisPollTimer) return;
+        this.liveAnalysisPollTimer = setInterval(async () => {
+            if (this.liveAnalysisPollInFlight) return;
+            this.liveAnalysisPollInFlight = true;
+            try {
+                const status = await this.loadLiveAnalysisStatus();
+                const presentation = LiveAnalysisPresentation.present(status);
+                if (!presentation.busy) {
+                    clearInterval(this.liveAnalysisPollTimer);
+                    this.liveAnalysisPollTimer = null;
+                    if (presentation.complete) {
+                        await this.app.channelList?.loadChannels();
+                        const mode = this.app.player?.settings?.languageDetectionMode || 'algo';
+                        if (mode === 'laya' || mode === 'hybrid') {
+                            await this.app.channelList?.refreshLayaLanguages(mode);
+                        }
+                    }
+                }
+            } finally {
+                this.liveAnalysisPollInFlight = false;
+            }
+        }, 1000);
+    }
+
     initLayaSettings() {
         const radios = document.querySelectorAll('input[name="language-detection-mode"]');
         const currentMode = this.app.player?.settings?.languageDetectionMode || 'algo';
@@ -116,6 +221,7 @@ class SettingsPage {
                 this.app.player.saveSettings();
                 this.app.channelList.setLanguageDetectionMode(radio.value);
                 this.renderLayaStatus(this.layaStatus);
+                this.renderLiveAnalysisStatus(this.liveAnalysisStatus);
             });
         });
 
@@ -221,6 +327,7 @@ class SettingsPage {
         else if (mode !== 'algo' && (!status.modelPresent || !status.runtimeAvailable)) {
             messageElement.textContent = 'Local AI is not ready. Download the model and ensure the runtime is running. Live TV will remain available.';
         } else messageElement.textContent = '';
+        if (this.liveAnalysisStatus) this.renderLiveAnalysisStatus(this.liveAnalysisStatus);
     }
 
     formatBytes(bytes) {
diff --git a/public/js/services/liveAnalysisPresentation.js b/public/js/services/liveAnalysisPresentation.js
new file mode 100644
index 0000000..e9ec3f4
--- /dev/null
+++ b/public/js/services/liveAnalysisPresentation.js
@@ -0,0 +1,48 @@
+(function (root, factory) {
+    const service = factory();
+    if (typeof module === 'object' && module.exports) module.exports = service;
+    if (root) root.LiveAnalysisPresentation = service;
+})(typeof globalThis !== 'undefined' ? globalThis : this, function () {
+    const BUSY_STATUSES = new Set(['queued', 'building', 'running']);
+    const FAILED_STATUSES = new Set(['error', 'failed']);
+
+    function present(status = {}) {
+        const state = String(status.status || 'idle').toLowerCase();
+        const busy = BUSY_STATUSES.has(state);
+        const failed = FAILED_STATUSES.has(state);
+        const complete = state === 'success';
+        const processed = Number(status.processed);
+        const total = Number(status.total);
+        const determined = busy && status.processed !== null && status.processed !== undefined &&
+            status.total !== null && status.total !== undefined &&
+            Number.isFinite(processed) && Number.isFinite(total) && total > 0;
+        const progressPercent = determined
+            ? Math.max(0, Math.min(100, Math.round(processed / total * 100)))
+            : null;
+        const previouslyCompleted = Boolean(status.completedAt) || Number(status.projectedCount) > 0;
+
+        return {
+            state,
+            busy,
+            complete,
+            failed,
+            statusLabel: busy ? 'Analyzing channels…' : complete ? 'Analysis complete' : failed ? 'Analysis failed' : 'Ready to analyze',
+            buttonLabel: failed ? 'Try again' : complete || previouslyCompleted ? 'Analyze again' : 'Analyze channels',
+            progressIndeterminate: busy && progressPercent === null,
+            progressPercent,
+            progressText: progressPercent === null
+                ? (busy ? 'Analysis in progress…' : '')
+                : `${processed} of ${total} · ${progressPercent}%`,
+            errorDetail: failed && status.error ? String(status.error) : ''
+        };
+    }
+
+    function layaFallbackMessage(mode, layaStatus = {}) {
+        if (!['laya', 'hybrid'].includes(mode)) return '';
+        return layaStatus.modelPresent === false || layaStatus.runtimeAvailable === false
+            ? 'Local AI is unavailable. Standard channel matching will be used for this analysis.'
+            : '';
+    }
+
+    return { layaFallbackMessage, present };
+});
diff --git a/server/auth.js b/server/auth.js
index ac76206..19d8510 100644
--- a/server/auth.js
+++ b/server/auth.js
@@ -1,6 +1,7 @@
 const bcrypt = require('bcryptjs');
 const jwt = require('jsonwebtoken');
 const passport = require('passport');
+const { isAdmin } = require('./authz');
 const { Strategy: JwtStrategy, ExtractJwt } = require('passport-jwt');
 const { Strategy: LocalStrategy } = require('passport-local');
 
@@ -234,7 +235,7 @@ const requireAuth = passport.authenticate('jwt', { session: false });
  * Middleware: Require admin role
  */
 function requireAdmin(req, res, next) {
-    if (!req.user || req.user.role !== 'admin') {
+    if (!isAdmin(req.user)) {
         return res.status(403).json({ error: 'Forbidden - Admin access required' });
     }
     next();
diff --git a/server/authz.js b/server/authz.js
new file mode 100644
index 0000000..bd666d8
--- /dev/null
+++ b/server/authz.js
@@ -0,0 +1,5 @@
+function isAdmin(user) {
+    return user?.role === 'admin';
+}
+
+module.exports = { isAdmin };
diff --git a/server/db/liveProjectionSchema.js b/server/db/liveProjectionSchema.js
index 7be2e5e..1bafe34 100644
--- a/server/db/liveProjectionSchema.js
+++ b/server/db/liveProjectionSchema.js
@@ -13,6 +13,11 @@ const LIVE_PROJECTION_COLUMNS = {
     language_input_hash: 'TEXT'
 };
 
+const CATALOG_PROJECTION_STATE_COLUMNS = {
+    processed_count: 'INTEGER NOT NULL DEFAULT 0',
+    total_count: 'INTEGER NOT NULL DEFAULT 0'
+};
+
 const LIVE_PROJECTION_SCHEMA_SQL = `
     CREATE INDEX IF NOT EXISTS idx_items_logical_channel ON playlist_items(logical_channel_id);
     CREATE INDEX IF NOT EXISTS idx_items_grouping_fingerprint ON playlist_items(grouping_fingerprint);
@@ -35,6 +40,8 @@ const LIVE_PROJECTION_SCHEMA_SQL = `
         completed_at INTEGER,
         input_hash TEXT,
         projected_count INTEGER NOT NULL DEFAULT 0,
+        processed_count INTEGER NOT NULL DEFAULT 0,
+        total_count INTEGER NOT NULL DEFAULT 0,
         error TEXT
     );
 `;
@@ -46,4 +53,9 @@ function ensureColumns(database, table, columns) {
     }
 }
 
-module.exports = { ensureColumns, LIVE_PROJECTION_COLUMNS, LIVE_PROJECTION_SCHEMA_SQL };
+module.exports = {
+    CATALOG_PROJECTION_STATE_COLUMNS,
+    ensureColumns,
+    LIVE_PROJECTION_COLUMNS,
+    LIVE_PROJECTION_SCHEMA_SQL
+};
diff --git a/server/db/sqlite.js b/server/db/sqlite.js
index be6cc63..ef75a6e 100644
--- a/server/db/sqlite.js
+++ b/server/db/sqlite.js
@@ -2,6 +2,7 @@ const Database = require('better-sqlite3');
 const path = require('path');
 const fs = require('fs');
 const {
+    CATALOG_PROJECTION_STATE_COLUMNS,
     ensureColumns,
     LIVE_PROJECTION_COLUMNS,
     LIVE_PROJECTION_SCHEMA_SQL
@@ -80,6 +81,7 @@ function initSchema() {
 
     ensureColumns(db, 'playlist_items', LIVE_PROJECTION_COLUMNS);
     db.exec(LIVE_PROJECTION_SCHEMA_SQL);
+    ensureColumns(db, 'catalog_projection_state', CATALOG_PROJECTION_STATE_COLUMNS);
 
     // EPG Programs
     // Optimized for range queries
diff --git a/server/routes/live.js b/server/routes/live.js
index 3c6848c..46a1f74 100644
--- a/server/routes/live.js
+++ b/server/routes/live.js
@@ -1,5 +1,5 @@
 const express = require('express');
-const { requireAuth } = require('../auth');
+const { requireAuth, requireAdmin } = require('../auth');
 const liveProjection = require('../services/liveProjectionService');
 
 const router = express.Router();
@@ -12,6 +12,8 @@ function serializeState(state) {
         completedAt: state.completed_at,
         inputHash: state.input_hash,
         projectedCount: state.projected_count,
+        processed: state.processed_count,
+        total: state.total_count,
         error: state.error
     };
 }
@@ -28,7 +30,9 @@ router.get('/channels', requireAuth, async (req, res) => {
 
     try {
         let state = liveProjection.projectionState();
-        if (state.status !== 'success') state = liveProjection.rebuild();
+        if (state.status !== 'success' && state.status !== 'building') {
+            state = await liveProjection.startRebuild().promise;
+        }
         const channels = liveProjection.getChannels({ sourceId, includeHidden, userId: req.user.id });
         return res.json({ projection: serializeState(state), channels });
     } catch (error) {
@@ -42,5 +46,29 @@ router.get('/channels', requireAuth, async (req, res) => {
     }
 });
 
+router.get('/projection/status', requireAuth, (req, res) => {
+    try {
+        return res.json(serializeState(liveProjection.projectionState()));
+    } catch (error) {
+        return res.status(500).json({ error: 'Unable to read Live projection status' });
+    }
+});
+
+router.post('/projection/rebuild', requireAuth, requireAdmin, (req, res) => {
+    try {
+        const started = liveProjection.startRebuild();
+        started.promise.catch(error => {
+            console.error('[LiveProjection] Manual rebuild failed:', error.message);
+        });
+        return res.status(202).json({
+            alreadyRunning: started.alreadyRunning,
+            projection: serializeState(started.state)
+        });
+    } catch (error) {
+        console.error('[LiveProjection] Unable to start manual rebuild:', error.message);
+        return res.status(500).json({ error: 'Unable to start Live projection rebuild' });
+    }
+});
+
 module.exports = router;
 module.exports.serializeState = serializeState;
diff --git a/server/services/liveProjectionService.js b/server/services/liveProjectionService.js
index 1b0d270..94e1706 100644
--- a/server/services/liveProjectionService.js
+++ b/server/services/liveProjectionService.js
@@ -89,11 +89,25 @@ function projectionState(database = null) {
     database ||= defaultDatabase();
     return database.prepare('SELECT * FROM catalog_projection_state WHERE projection = ?').get('live') || {
         projection: 'live', status: 'missing', started_at: null, completed_at: null,
-        input_hash: null, projected_count: 0, error: null
+        input_hash: null, projected_count: 0, processed_count: 0, total_count: 0, error: null
     };
 }
 
-function rebuild(database = null) {
+function markProjectionBuilding(database = null) {
+    database ||= defaultDatabase();
+    const total = database.prepare("SELECT COUNT(*) AS count FROM playlist_items WHERE type = 'live'").get().count;
+    const startedAt = Date.now();
+    database.prepare(`
+        INSERT INTO catalog_projection_state
+            (projection, status, started_at, completed_at, input_hash, projected_count, processed_count, total_count, error)
+        VALUES ('live', 'building', ?, NULL, NULL, 0, 0, ?, NULL)
+        ON CONFLICT(projection) DO UPDATE SET status = 'building', started_at = excluded.started_at,
+            completed_at = NULL, processed_count = 0, total_count = excluded.total_count, error = NULL
+    `).run(startedAt, total);
+    return projectionState(database);
+}
+
+function rebuild(database = null, options = {}) {
     database ||= defaultDatabase();
     const items = database.prepare(`
         SELECT id, source_id, item_id, name, category_id
@@ -101,13 +115,7 @@ function rebuild(database = null) {
     `).all();
     const groups = projectCatalog(items);
     const inputHash = catalogInputHash(items);
-    const startedAt = Date.now();
-    database.prepare(`
-        INSERT INTO catalog_projection_state (projection, status, started_at, completed_at, input_hash, projected_count, error)
-        VALUES ('live', 'building', ?, NULL, NULL, 0, NULL)
-        ON CONFLICT(projection) DO UPDATE SET status = 'building', started_at = excluded.started_at,
-            completed_at = NULL, error = NULL
-    `).run(startedAt);
+    if (!options.stateAlreadyBuilding) markProjectionBuilding(database);
 
     try {
         const apply = database.transaction(() => {
@@ -137,8 +145,9 @@ function rebuild(database = null) {
             }
             database.prepare(`
                 UPDATE catalog_projection_state SET status = 'success', completed_at = ?,
-                    input_hash = ?, projected_count = ?, error = NULL WHERE projection = 'live'
-            `).run(Date.now(), inputHash, groups.length);
+                    input_hash = ?, projected_count = ?, processed_count = ?, total_count = ?, error = NULL
+                WHERE projection = 'live'
+            `).run(Date.now(), inputHash, groups.length, items.length, items.length);
         });
         apply();
         return projectionState(database);
@@ -151,11 +160,31 @@ function rebuild(database = null) {
     }
 }
 
-let rebuildQueue = Promise.resolve();
-function queueRebuild() {
-    const next = rebuildQueue.catch(() => {}).then(() => rebuild());
-    rebuildQueue = next;
-    return next;
+let activeRebuild = null;
+let activeState = null;
+
+function startRebuild(database = null, options = {}) {
+    if (activeRebuild) return { alreadyRunning: true, state: activeState, promise: activeRebuild };
+    database ||= defaultDatabase();
+    const mark = options.mark || markProjectionBuilding;
+    const runner = options.runner || rebuild;
+    const schedule = options.schedule || setImmediate;
+    activeState = mark(database);
+    activeRebuild = new Promise((resolve, reject) => {
+        schedule(() => {
+            Promise.resolve()
+                .then(() => runner(database, { stateAlreadyBuilding: true }))
+                .then(resolve, reject);
+        });
+    }).finally(() => {
+        activeRebuild = null;
+        activeState = null;
+    });
+    return { alreadyRunning: false, state: activeState, promise: activeRebuild };
+}
+
+function queueRebuild(database = null) {
+    return startRebuild(database).promise;
 }
 
 function parseData(value) {
@@ -242,10 +271,12 @@ module.exports = {
     displayNameForFingerprint,
     getChannels,
     normalizeChannelName,
+    markProjectionBuilding,
     projectCatalog,
     projectionState,
     qualityForName,
     queueRebuild,
     rebuild,
-    serializeChannels
+    serializeChannels,
+    startRebuild
 };
diff --git a/test/liveAnalysisPresentation.test.js b/test/liveAnalysisPresentation.test.js
new file mode 100644
index 0000000..b9a6317
--- /dev/null
+++ b/test/liveAnalysisPresentation.test.js
@@ -0,0 +1,39 @@
+const test = require('node:test');
+const assert = require('node:assert/strict');
+const { layaFallbackMessage, present } = require('../public/js/services/liveAnalysisPresentation.js');
+
+test('presents determinate channel analysis progress', () => {
+    const view = present({ status: 'building', processed: 25, total: 100 });
+    assert.equal(view.busy, true);
+    assert.equal(view.progressIndeterminate, false);
+    assert.equal(view.progressPercent, 25);
+    assert.equal(view.progressText, '25 of 100 · 25%');
+});
+
+test('presents indeterminate progress when totals are unavailable', () => {
+    const view = present({ status: 'queued', processed: null, total: null });
+    assert.equal(view.busy, true);
+    assert.equal(view.progressIndeterminate, true);
+    assert.equal(view.buttonLabel, 'Analyze channels');
+    assert.equal(present({ status: 'running', processed: null, total: 100 }).progressIndeterminate, true);
+});
+
+test('presents success and retry states', () => {
+    assert.deepEqual(
+        { label: present({ status: 'success', projectedCount: 12 }).statusLabel, button: present({ status: 'success' }).buttonLabel },
+        { label: 'Analysis complete', button: 'Analyze again' }
+    );
+    const failed = present({ status: 'error', error: 'Safe projection error' });
+    assert.equal(failed.statusLabel, 'Analysis failed');
+    assert.equal(failed.buttonLabel, 'Try again');
+    assert.equal(failed.errorDetail, 'Safe projection error');
+});
+
+test('mentions Standard fallback only for unavailable active Local AI modes', () => {
+    assert.equal(layaFallbackMessage('algo', { modelPresent: false, runtimeAvailable: false }), '');
+    assert.equal(layaFallbackMessage('hybrid', { modelPresent: true, runtimeAvailable: true }), '');
+    assert.equal(
+        layaFallbackMessage('laya', { modelPresent: true, runtimeAvailable: false }),
+        'Local AI is unavailable. Standard channel matching will be used for this analysis.'
+    );
+});
diff --git a/test/liveProjectionRoutes.test.js b/test/liveProjectionRoutes.test.js
new file mode 100644
index 0000000..e6eb85a
--- /dev/null
+++ b/test/liveProjectionRoutes.test.js
@@ -0,0 +1,21 @@
+const test = require('node:test');
+const assert = require('node:assert/strict');
+const fs = require('fs');
+const path = require('path');
+const { isAdmin } = require('../server/authz');
+
+const routeSource = fs.readFileSync(path.join(__dirname, '..', 'server', 'routes', 'live.js'), 'utf8');
+
+test('projection status route requires authentication', () => {
+    assert.match(routeSource, /router\.get\('\/projection\/status', requireAuth,/);
+});
+
+test('projection rebuild route requires authentication and admin authorization', () => {
+    assert.match(routeSource, /router\.post\('\/projection\/rebuild', requireAuth, requireAdmin,/);
+});
+
+test('projection authorization distinguishes viewer and admin roles', () => {
+    assert.equal(isAdmin({ role: 'viewer' }), false);
+    assert.equal(isAdmin({ role: 'admin' }), true);
+    assert.equal(isAdmin(null), false);
+});
diff --git a/test/liveProjectionService.test.js b/test/liveProjectionService.test.js
index 8293ba1..f4c142a 100644
--- a/test/liveProjectionService.test.js
+++ b/test/liveProjectionService.test.js
@@ -2,7 +2,8 @@ const test = require('node:test');
 const assert = require('node:assert/strict');
 const {
     projectCatalog,
-    serializeChannels
+    serializeChannels,
+    startRebuild
 } = require('../server/services/liveProjectionService');
 const {
     LIVE_PROJECTION_COLUMNS,
@@ -30,6 +31,25 @@ test('projection migration declares grouping and language columns', () => {
     assert.match(LIVE_PROJECTION_SCHEMA_SQL, /idx_items_logical_channel/);
 });
 
+test('manual rebuild scheduling coalesces concurrent requests', async () => {
+    let scheduled;
+    let runs = 0;
+    const state = { status: 'building', processed_count: 0, total_count: 2 };
+    const options = {
+        mark: () => state,
+        runner: async () => { runs++; return { status: 'success' }; },
+        schedule: callback => { scheduled = callback; }
+    };
+    const first = startRebuild({}, options);
+    const second = startRebuild({}, options);
+    assert.equal(first.alreadyRunning, false);
+    assert.equal(second.alreadyRunning, true);
+    assert.equal(second.promise, first.promise);
+    scheduled();
+    await first.promise;
+    assert.equal(runs, 1);
+});
+
 test('projects beIN quality variants into one logical channel', () => {
     const groups = projectCatalog([
         item('uhd', '|FR| BEIN SPORTS 1 UHD'),