implement admin db testing

chat/public/admin-accounts.html

@@ -33,6 +33,7 @@
         <a class="ghost" href="/admin/withdrawals">Withdrawals</a>
         <a class="ghost" href="/admin/tracking">Tracking</a>
           <a class="ghost" href="/admin/resources">Resources</a>
+        <a class="ghost" href="/admin/system-tests">System Tests</a>
         <a class="ghost" href="/admin/external-testing">External Testing</a>
           <a class="ghost" href="/admin/contact-messages">Contact Messages</a>
           <a class="ghost" href="/admin/feature-requests">Feature Requests</a>

chat/public/admin-affiliates.html

@@ -33,6 +33,7 @@
         <a class="ghost" href="/admin/withdrawals">Withdrawals</a>
         <a class="ghost" href="/admin/tracking">Tracking</a>
         <a class="ghost" href="/admin/resources">Resources</a>
+        <a class="ghost" href="/admin/system-tests">System Tests</a>
         <a class="ghost" href="/admin/external-testing">External Testing</a>
         <a class="ghost" href="/admin/contact-messages">Contact Messages</a>
         <a class="ghost" href="/admin/feature-requests">Feature Requests</a>
@@ -94,3 +95,4 @@
 </body>
 
 </html>
+

chat/public/admin-blogs.html

@@ -245,6 +245,7 @@
         <a class="ghost" href="/admin/withdrawals">Withdrawals</a>
         <a class="ghost" href="/admin/tracking">Tracking</a>
         <a class="ghost" href="/admin/resources">Resources</a>
+        <a class="ghost" href="/admin/system-tests">System Tests</a>
         <a class="ghost" href="/admin/external-testing">External Testing</a>
         <a class="ghost" href="/admin/contact-messages">Contact Messages</a>
         <a class="ghost" href="/admin/feature-requests">Feature Requests</a>
@@ -427,3 +428,4 @@
   <script src="/js/blog-admin.js"></script>
 </body>
 </html>
+

chat/public/admin-contact-messages.html

@@ -138,6 +138,7 @@
         <a class="ghost" href="/admin/withdrawals">Withdrawals</a>
           <a class="ghost" href="/admin/tracking">Tracking</a>
           <a class="ghost" href="/admin/resources">Resources</a>
+        <a class="ghost" href="/admin/system-tests">System Tests</a>
           <a class="ghost" href="/admin/external-testing">External Testing</a>
         <a class="ghost active" href="/admin/contact-messages">Contact Messages</a>
         <a class="ghost" href="/admin/feature-requests">Feature Requests</a>
@@ -307,3 +308,4 @@
   </script>
 </body>
 </html>
+

chat/public/admin-external-testing.html

@@ -31,6 +31,7 @@
         <a class="ghost" href="/admin/withdrawals">Withdrawals</a>
         <a class="ghost" href="/admin/tracking">Tracking</a>
         <a class="ghost" href="/admin/resources">Resources</a>
+        <a class="ghost" href="/admin/system-tests">System Tests</a>
         <a class="ghost" href="/admin/external-testing">External Testing</a>
         <a class="ghost" href="/admin/contact-messages">Contact Messages</a>
         <a class="ghost" href="/admin/feature-requests">Feature Requests</a>
@@ -80,3 +81,4 @@
   <script src="/admin.js"></script>
 </body>
 </html>
+

chat/public/admin-feature-requests.html

@@ -226,6 +226,7 @@
         <a class="ghost" href="/admin/withdrawals">Withdrawals</a>
         <a class="ghost" href="/admin/tracking">Tracking</a>
         <a class="ghost" href="/admin/resources">Resources</a>
+        <a class="ghost" href="/admin/system-tests">System Tests</a>
         <a class="ghost" href="/admin/external-testing">External Testing</a>
         <a class="ghost" href="/admin/contact-messages">Contact Messages</a>
         <a class="ghost active" href="/admin/feature-requests">Feature Requests</a>
@@ -535,3 +536,4 @@
   </script>
 </body>
 </html>
+

chat/public/admin-plan.html

@@ -31,6 +31,7 @@
         <a class="ghost" href="/admin/withdrawals">Withdrawals</a>
         <a class="ghost" href="/admin/tracking">Tracking</a>
         <a class="ghost" href="/admin/resources">Resources</a>
+        <a class="ghost" href="/admin/system-tests">System Tests</a>
         <a class="ghost" href="/admin/external-testing">External Testing</a>
         <a class="ghost" href="/admin/contact-messages">Contact Messages</a>
         <a class="ghost" href="/admin/feature-requests">Feature Requests</a>
@@ -145,3 +146,4 @@
   <script src="/admin.js"></script>
 </body>
 </html>
+

chat/public/admin-plans.html

@@ -31,6 +31,7 @@
         <a class="ghost" href="/admin/withdrawals">Withdrawals</a>
         <a class="ghost" href="/admin/tracking">Tracking</a>
         <a class="ghost" href="/admin/resources">Resources</a>
+        <a class="ghost" href="/admin/system-tests">System Tests</a>
         <a class="ghost" href="/admin/external-testing">External Testing</a>
         <a class="ghost" href="/admin/contact-messages">Contact Messages</a>
         <a class="ghost" href="/admin/feature-requests">Feature Requests</a>

chat/public/admin-resources.html

@@ -224,9 +224,10 @@
         <a class="ghost" href="/admin/withdrawals">Withdrawals</a>
         <a class="ghost" href="/admin/tracking">Tracking</a>
         <a class="ghost active" href="/admin/resources">Resources</a>
-          <a class="ghost" href="/admin/external-testing">External Testing</a>
+        <a class="ghost" href="/admin/system-tests">System Tests</a>
-          <a class="ghost" href="/admin/contact-messages">Contact Messages</a>
+        <a class="ghost" href="/admin/external-testing">External Testing</a>
-          <a class="ghost" href="/admin/feature-requests">Feature Requests</a>
+        <a class="ghost" href="/admin/contact-messages">Contact Messages</a>
+        <a class="ghost" href="/admin/feature-requests">Feature Requests</a>
         <a class="ghost" href="/admin/login">Login</a>
       </div>
     </aside>
@@ -962,3 +963,4 @@
   </script>
 </body>
 </html>
+

chat/public/admin-system-tests.html

@@ -0,0 +1,79 @@
+<!DOCTYPE html>
+<html lang="en">
+<head>
+  <meta charset="utf-8" />
+  <meta name="viewport" content="width=device-width, initial-scale=1" />
+  <title>Admin Panel - System Tests</title>
+  <link rel="stylesheet" href="/styles.css" />
+
+  <!-- PostHog Analytics -->
+  <script src="/posthog.js"></script>
+</head>
+<body data-page="system-tests">
+  <div class="sidebar-overlay"></div>
+  <div class="app-shell">
+    <aside class="sidebar">
+      <div class="brand">
+        <div class="brand-mark">A</div>
+        <div>
+          <div class="brand-title">Admin</div>
+          <div class="brand-sub">Site management</div>
+        </div>
+        <button id="close-sidebar" class="ghost" style="margin-left: auto; display: none;">&times;</button>
+      </div>
+      <div class="sidebar-section">
+        <div class="section-heading">Navigation</div>
+        <a class="ghost" href="/admin/build">Build models</a>
+        <a class="ghost" href="/admin/plan">Plan models</a>
+        <a class="ghost" href="/admin/plans">Plans</a>
+        <a class="ghost" href="/admin/accounts">Accounts</a>
+        <a class="ghost" href="/admin/affiliates">Affiliates</a>
+        <a class="ghost" href="/admin/withdrawals">Withdrawals</a>
+        <a class="ghost" href="/admin/tracking">Tracking</a>
+        <a class="ghost" href="/admin/resources">Resources</a>
+        <a class="ghost" href="/admin/system-tests">System Tests</a>
+        <a class="ghost" href="/admin/external-testing">External Testing</a>
+        <a class="ghost" href="/admin/contact-messages">Contact Messages</a>
+        <a class="ghost" href="/admin/feature-requests">Feature Requests</a>
+        <a class="ghost" href="/admin/blogs">Blog Management</a>
+        <a class="ghost" href="/admin/login">Login</a>
+      </div>
+    </aside>
+    <main class="main">
+      <div class="admin-shell">
+        <div class="topbar" style="margin-bottom: 12px;">
+          <button id="menu-toggle">
+            <span></span><span></span><span></span>
+          </button>
+          <div>
+            <div class="pill">Admin</div>
+            <div class="title" style="margin-top: 6px;">System Tests</div>
+            <div class="crumb">Run end-to-end checks for database, accounts, and payments.</div>
+          </div>
+          <div class="admin-actions">
+            <button id="admin-refresh" class="ghost">Refresh</button>
+            <button id="admin-logout" class="primary">Logout</button>
+          </div>
+        </div>
+
+        <div class="admin-card">
+          <header>
+            <h3>Full system self-test</h3>
+            <div class="pill">Diagnostics</div>
+          </header>
+          <p class="muted" style="margin-top:0;">
+            Runs database/encryption checks, creates a temporary test account, and verifies payment configuration.
+            If Dodo is configured, it will create a test checkout session (no charge is completed).
+          </p>
+          <div class="admin-actions">
+            <button id="system-tests-run" class="primary">Run full self-test</button>
+            <div class="status-line" id="system-tests-status"></div>
+          </div>
+          <div id="system-tests-output" class="admin-list" style="margin-top: 12px;"></div>
+        </div>
+      </div>
+    </main>
+  </div>
+  <script src="/admin.js"></script>
+</body>
+</html>

chat/public/admin-tracking.html

@@ -184,6 +184,7 @@
         <a class="ghost" href="/admin/withdrawals">Withdrawals</a>
         <a class="ghost" href="/admin/tracking">Tracking</a>
         <a class="ghost" href="/admin/resources">Resources</a>
+        <a class="ghost" href="/admin/system-tests">System Tests</a>
         <a class="ghost" href="/admin/external-testing">External Testing</a>
         <a class="ghost" href="/admin/contact-messages">Contact Messages</a>
         <a class="ghost" href="/admin/feature-requests">Feature Requests</a>
@@ -990,3 +991,4 @@
   </script>
 </body>
 </html>
+

chat/public/admin-withdrawals.html

@@ -33,6 +33,7 @@
         <a class="ghost" href="/admin/withdrawals">Withdrawals</a>
         <a class="ghost" href="/admin/tracking">Tracking</a>
         <a class="ghost" href="/admin/resources">Resources</a>
+        <a class="ghost" href="/admin/system-tests">System Tests</a>
         <a class="ghost" href="/admin/external-testing">External Testing</a>
         <a class="ghost" href="/admin/contact-messages">Contact Messages</a>
         <a class="ghost" href="/admin/feature-requests">Feature Requests</a>
@@ -93,3 +94,4 @@
 </body>
 
 </html>
+

chat/public/admin.html

@@ -43,6 +43,7 @@
         <a class="ghost" href="/admin/withdrawals">Withdrawals</a>
         <a class="ghost" href="/admin/tracking">Tracking</a>
         <a class="ghost" href="/admin/resources">Resources</a>
+        <a class="ghost" href="/admin/system-tests">System Tests</a>
         <a class="ghost" href="/admin/external-testing">External Testing</a>
         <a class="ghost" href="/admin/contact-messages">Contact Messages</a>
         <a class="ghost" href="/admin/feature-requests">Feature Requests</a>
@@ -322,3 +323,4 @@
   <script src="/admin.js"></script>
 </body>
 </html>
+

chat/public/admin.js

@@ -125,6 +125,9 @@
     ollamaTestRun: document.getElementById('ollama-test-run'),
     ollamaTestStatus: document.getElementById('ollama-test-status'),
     ollamaTestOutput: document.getElementById('ollama-test-output'),
+    systemTestsRun: document.getElementById('system-tests-run'),
+    systemTestsStatus: document.getElementById('system-tests-status'),
+    systemTestsOutput: document.getElementById('system-tests-output'),
   };
 
   function ensureAvailableDatalist() {
@@ -221,6 +224,12 @@
     el.externalTestingStatus.style.color = isError ? 'var(--danger)' : 'inherit';
   }
 
+  function setSystemTestsStatus(msg, isError = false) {
+    if (!el.systemTestsStatus) return;
+    el.systemTestsStatus.textContent = msg || '';
+    el.systemTestsStatus.style.color = isError ? 'var(--danger)' : 'inherit';
+  }
+
   function renderExternalTestingConfig(config) {
     if (!el.externalTestingConfig) return;
     el.externalTestingConfig.innerHTML = '';
@@ -337,6 +346,66 @@
     renderExternalTestingConfig(data.config || {});
   }
 
+  function renderSystemTestsOutput(data) {
+    if (!el.systemTestsOutput) return;
+    el.systemTestsOutput.innerHTML = '';
+    if (!data) return;
+
+    const summary = data.summary || { total: 0, passed: 0, failed: 0, skipped: 0 };
+    const summaryRow = document.createElement('div');
+    summaryRow.className = 'admin-row';
+    const summaryLabel = document.createElement('div');
+    summaryLabel.style.minWidth = '180px';
+    summaryLabel.style.color = 'var(--muted)';
+    summaryLabel.textContent = 'Summary';
+    const summaryValue = document.createElement('div');
+    summaryValue.textContent = `${summary.passed} passed, ${summary.failed} failed, ${summary.skipped} skipped (${data.durationMs || 0}ms)`;
+    summaryRow.appendChild(summaryLabel);
+    summaryRow.appendChild(summaryValue);
+    el.systemTestsOutput.appendChild(summaryRow);
+
+    const results = Array.isArray(data.results) ? data.results : [];
+    results.forEach((result) => {
+      const row = document.createElement('div');
+      row.className = 'admin-row';
+      const labelWrap = document.createElement('div');
+      labelWrap.style.minWidth = '180px';
+      const strong = document.createElement('strong');
+      strong.textContent = result.name || 'Check';
+      labelWrap.appendChild(strong);
+
+      const valueWrap = document.createElement('div');
+      const status = document.createElement('span');
+      const statusText = (result.status || 'unknown').toUpperCase();
+      status.textContent = statusText;
+      if (result.status === 'passed') status.style.color = 'var(--shopify-green)';
+      else if (result.status === 'failed') status.style.color = 'var(--danger)';
+      else status.style.color = 'var(--muted)';
+
+      valueWrap.appendChild(status);
+      if (result.details) {
+        const sep = document.createElement('span');
+        sep.textContent = ' - ';
+        valueWrap.appendChild(sep);
+        const details = document.createElement('span');
+        details.textContent = result.details;
+        valueWrap.appendChild(details);
+      }
+
+      if (typeof result.durationMs === 'number') {
+        const timing = document.createElement('span');
+        timing.textContent = ` (${result.durationMs}ms)`;
+        timing.style.color = 'var(--muted)';
+        timing.style.marginLeft = '4px';
+        valueWrap.appendChild(timing);
+      }
+
+      row.appendChild(labelWrap);
+      row.appendChild(valueWrap);
+      el.systemTestsOutput.appendChild(row);
+    });
+  }
+
   // --- Ollama Test UI ---
   function setOllamaTestStatus(msg, isError = false) {
     if (!el.ollamaTestStatus) return;
@@ -2822,6 +2891,23 @@
     });
   }
 
+  if (el.systemTestsRun) {
+    el.systemTestsRun.addEventListener('click', async () => {
+      el.systemTestsRun.disabled = true;
+      setSystemTestsStatus('Running system tests...');
+      if (el.systemTestsOutput) el.systemTestsOutput.innerHTML = '';
+      try {
+        const data = await api('/api/admin/system-tests', { method: 'POST' });
+        renderSystemTestsOutput(data || null);
+        setSystemTestsStatus(data && data.ok ? 'System tests passed.' : 'System tests completed with failures.', !data || !data.ok);
+      } catch (err) {
+        setSystemTestsStatus(err.message || 'System tests failed.', true);
+      } finally {
+        el.systemTestsRun.disabled = false;
+      }
+    });
+  }
+
   // Ollama Test button handler
   if (el.ollamaTestRun) {
     el.ollamaTestRun.addEventListener('click', async () => {

chat/server.js

@@ -20,7 +20,7 @@ const blogSystem = require('./blog-system');
 const versionManager = require('./src/utils/versionManager');
 const { DATA_ROOT, STATE_DIR, DB_PATH, KEY_FILE } = require('./src/database/config');
 const { initDatabase, getDatabase, closeDatabase } = require('./src/database/connection');
-const { initEncryption, encrypt } = require('./src/utils/encryption');
+const { initEncryption, encrypt, decrypt, isEncryptionInitialized } = require('./src/utils/encryption');
 
 let sharp = null;
 try {
@@ -17279,6 +17279,259 @@ async function handleAdminOllamaTest(req, res) {
   }
 }
 
+async function handleAdminSystemTests(req, res) {
+  const adminSession = requireAdminAuth(req, res);
+  if (!adminSession) return;
+
+  const startedAt = Date.now();
+  const results = [];
+
+  const pushResult = (name, status, details, meta, durationMs) => {
+    results.push({
+      name,
+      status,
+      details: details || '',
+      meta: meta || null,
+      durationMs: durationMs || 0,
+    });
+  };
+
+  const runCheck = async (name, fn) => {
+    const start = Date.now();
+    try {
+      const outcome = await fn();
+      const status = outcome?.status || 'passed';
+      pushResult(name, status, outcome?.details || '', outcome?.meta || null, Date.now() - start);
+    } catch (error) {
+      pushResult(
+        name,
+        'failed',
+        error?.message || String(error),
+        { error: String(error) },
+        Date.now() - start
+      );
+    }
+  };
+
+  await runCheck('database.enabled', async () => {
+    const db = getDatabase();
+    if (!databaseEnabled || !db || !db.open) {
+      return {
+        status: 'failed',
+        details: `Database disabled (${databaseFallbackReason || 'unknown'})`,
+        meta: {
+          dbPath: DB_PATH,
+          enabled: databaseEnabled,
+          fallbackReason: databaseFallbackReason || null,
+        },
+      };
+    }
+    return {
+      status: 'passed',
+      details: `Database enabled (${DB_PATH})`,
+      meta: {
+        dbPath: DB_PATH,
+        sqlcipher: DATABASE_USE_SQLCIPHER,
+        walMode: DATABASE_WAL_MODE,
+      },
+    };
+  });
+
+  await runCheck('database.schema', async () => {
+    const db = getDatabase();
+    if (!databaseEnabled || !db || !db.open) {
+      return { status: 'skipped', details: 'Database not enabled' };
+    }
+    const tables = db.prepare("SELECT name FROM sqlite_master WHERE type='table'").all();
+    const tableNames = new Set(tables.map((t) => t.name));
+    const missing = [];
+
+    if (!tableNames.has('users')) missing.push('users');
+    if (!tableNames.has('affiliate_accounts')) missing.push('affiliate_accounts');
+    if (!tableNames.has('sessions')) missing.push('sessions');
+
+    const userColumns = db.prepare("PRAGMA table_info('users')").all();
+    const userColumnNames = new Set(userColumns.map((c) => c.name));
+    if (!userColumnNames.has('data')) missing.push('users.data');
+
+    if (missing.length) {
+      return {
+        status: 'failed',
+        details: `Missing schema: ${missing.join(', ')}`,
+        meta: { tables: Array.from(tableNames).sort().slice(0, 40) },
+      };
+    }
+    return { status: 'passed', details: 'Schema looks healthy' };
+  });
+
+  await runCheck('encryption.roundtrip', async () => {
+    if (!databaseEnabled) {
+      return { status: 'skipped', details: 'Database disabled; encryption not initialized' };
+    }
+    if (!isEncryptionInitialized()) {
+      return { status: 'failed', details: 'Encryption not initialized' };
+    }
+    const sample = `self-test-${randomUUID()}`;
+    const encrypted = encrypt(sample);
+    const decrypted = decrypt(encrypted);
+    if (decrypted !== sample) {
+      return { status: 'failed', details: 'Encryption roundtrip mismatch' };
+    }
+    return { status: 'passed', details: 'Encryption roundtrip ok' };
+  });
+
+  await runCheck('account.create', async () => {
+    const testEmail = `admin-selftest-${Date.now()}@example.com`;
+    const testPassword = `SelfTest1!XyZ${String(Date.now()).slice(-4)}`;
+    const passwordValidation = validatePassword(testPassword);
+    if (!passwordValidation.valid) {
+      return { status: 'failed', details: `Generated password failed validation: ${passwordValidation.errors.join(', ')}` };
+    }
+
+    let testUser = null;
+    try {
+      testUser = await createUser(testEmail, testPassword);
+      const found = findUserByEmail(testEmail);
+      if (!found || found.id !== testUser.id) {
+        return { status: 'failed', details: 'User not found after creation' };
+      }
+
+      const loginUser = await verifyUserPassword(testEmail, testPassword);
+      if (!loginUser || loginUser.id !== testUser.id) {
+        return { status: 'failed', details: 'Password verification failed' };
+      }
+
+      if (databaseEnabled) {
+        const db = getDatabase();
+        if (!db) return { status: 'failed', details: 'Database not initialized during account test' };
+        const row = db.prepare('SELECT email, email_encrypted, password_hash, data FROM users WHERE id = ?').get(testUser.id);
+        if (!row) {
+          return { status: 'failed', details: 'User row missing from database' };
+        }
+        if (row.email !== testEmail) {
+          return { status: 'failed', details: 'Database email mismatch after creation' };
+        }
+        if (!row.password_hash) {
+          return { status: 'failed', details: 'Database password hash missing' };
+        }
+        if (!row.email_encrypted) {
+          return { status: 'failed', details: 'Encrypted email missing in database' };
+        }
+      }
+
+      return { status: 'passed', details: 'Account created and verified' };
+    } finally {
+      if (testUser) {
+        const index = usersDb.findIndex((u) => u && u.id === testUser.id);
+        if (index >= 0) {
+          usersDb.splice(index, 1);
+          await persistUsersDb();
+        }
+        if (databaseEnabled) {
+          const db = getDatabase();
+          if (db) {
+            try {
+              db.prepare('DELETE FROM users WHERE id = ?').run(testUser.id);
+            } catch (_) { }
+          }
+        }
+      }
+    }
+  });
+
+  await runCheck('payments.topups.config', async () => {
+    if (!DODO_ENABLED) {
+      return { status: 'skipped', details: 'Dodo Payments disabled' };
+    }
+    const pack = resolveTopupPack('topup_1', 'usd');
+    const baseAmount = getTopupPrice(pack.tier, pack.currency);
+    if (!pack.productId || !pack.tokens || !baseAmount) {
+      return {
+        status: 'failed',
+        details: 'Top-up configuration missing (productId, tokens, or price)',
+        meta: { pack, baseAmount },
+      };
+    }
+    return {
+      status: 'passed',
+      details: `Top-up configured (${pack.tokens} tokens for ${pack.currency.toUpperCase()} ${baseAmount})`,
+      meta: { productId: pack.productId },
+    };
+  });
+
+  await runCheck('payments.topups.checkout', async () => {
+    if (!DODO_ENABLED) {
+      return { status: 'skipped', details: 'Dodo Payments disabled' };
+    }
+    const { pack, baseAmount } = await fetchTopupProduct('topup_1', 'usd');
+    const unitAmount = applyTopupDiscount(baseAmount, 0);
+    const orderId = `admin_self_test_${randomUUID()}`;
+    const isValidEmail = (email) => /^[^\s@]+@[^\s@]+\.[^\s@]+$/.test(String(email || ''));
+    const adminEmail = isValidEmail(ADMIN_USER) ? ADMIN_USER : 'admin@example.com';
+    const checkoutBody = {
+      product_cart: [{
+        product_id: pack.productId,
+        quantity: 1,
+        amount: unitAmount,
+      }],
+      customer: {
+        email: adminEmail,
+        name: ADMIN_USER || 'Admin',
+      },
+      metadata: {
+        type: 'admin_self_test',
+        orderId,
+        admin: 'true',
+        tokens: String(pack.tokens),
+        tier: String(pack.tier),
+        currency: String(pack.currency),
+        amount: String(unitAmount),
+      },
+      settings: {
+        redirect_immediately: false,
+      },
+      return_url: `${resolveBaseUrl(req)}/test-checkout`,
+    };
+
+    const checkoutSession = await dodoRequest('/checkouts', {
+      method: 'POST',
+      body: checkoutBody,
+    });
+
+    const sessionId = checkoutSession?.session_id || checkoutSession?.id || '';
+    if (!sessionId || !checkoutSession?.checkout_url) {
+      return { status: 'failed', details: 'Dodo checkout did not return a checkout URL' };
+    }
+    return {
+      status: 'passed',
+      details: 'Dodo checkout created successfully',
+      meta: { sessionId },
+    };
+  });
+
+  const durationMs = Date.now() - startedAt;
+  const summary = results.reduce(
+    (acc, r) => {
+      acc.total += 1;
+      if (r.status === 'passed') acc.passed += 1;
+      else if (r.status === 'failed') acc.failed += 1;
+      else acc.skipped += 1;
+      return acc;
+    },
+    { total: 0, passed: 0, failed: 0, skipped: 0 }
+  );
+  const ok = summary.failed === 0;
+
+  sendJson(res, 200, {
+    ok,
+    startedAt: new Date(startedAt).toISOString(),
+    finishedAt: new Date().toISOString(),
+    durationMs,
+    summary,
+    results,
+  });
+}
+
 // Get detailed resource usage breakdown by session for admin panel
 async function handleAdminResources(req, res) {
   const adminSession = requireAdminAuth(req, res);
@@ -19551,6 +19804,7 @@ async function routeInternal(req, res, url, pathname) {
   if (req.method === 'GET' && pathname === '/api/admin/resources') return handleAdminResources(req, res);
   if (req.method === 'GET' && pathname === '/api/admin/external-testing-status') return handleAdminExternalTestingStatus(req, res);
   if (req.method === 'POST' && pathname === '/api/admin/external-testing-self-test') return handleAdminExternalTestingSelfTest(req, res);
+  if (req.method === 'POST' && pathname === '/api/admin/system-tests') return handleAdminSystemTests(req, res);
   if (req.method === 'POST' && pathname === '/api/upgrade-popup-tracking') return handleUpgradePopupTracking(req, res);
   if (req.method === 'POST' && pathname === '/api/admin/cancel-messages') return handleAdminCancelMessages(req, res);
   if (req.method === 'POST' && pathname === '/api/admin/ollama-test') return handleAdminOllamaTest(req, res);
@@ -19748,6 +20002,11 @@ async function routeInternal(req, res, url, pathname) {
     if (!session) return serveFile(res, safeStaticPath('admin-login.html'), 'text/html');
     return serveFile(res, safeStaticPath('admin-resources.html'), 'text/html');
   }
+  if (pathname === '/admin/system-tests') {
+    const session = getAdminSession(req);
+    if (!session) return serveFile(res, safeStaticPath('admin-login.html'), 'text/html');
+    return serveFile(res, safeStaticPath('admin-system-tests.html'), 'text/html');
+  }
   if (pathname === '/admin/external-testing') {
     const session = getAdminSession(req);
     if (!session) return serveFile(res, safeStaticPath('admin-login.html'), 'text/html');