<h4>Phase 5: Cleanup + Phase 4: Admin Controllers</h4><h5>Phase 5: Cleanup</h5><ul><li>Commented out ~40 redundant <code>$sendgrid = new \SendGrid(SENDGRID_API)</code> lines across all email classes</li><li>Commented out ~15 redundant <code>require(SENDGRID)</code> calls</li><li>All 19/19 email files pass PHP syntax check</li></ul><h5>Phase 4: EmailAdminController (Platform Admin API)</h5><p>New: <code>/controller/email/EmailAdminController.php</code></p><ul><li><code>getDashboardStats</code> — today/month totals, per-site breakdown, recent failures, sandbox status</li><li><code>getEmailLog</code> — paginated log with filters (site, status, date range)</li><li><code>getSiteConfigs</code> — all 40 site configs with today/month usage counts</li><li><code>updateSiteConfig</code> — update any site's email settings</li><li><code>getTemplates</code> — all 20 global templates</li><li><code>updateTemplate</code> — edit global template</li><li><code>testApiKey</code> — test SendGrid API key validity</li><li><code>testSandbox</code> — send sandbox test email and verify</li></ul><h5>Phase 4: EmailSettingsController (Tenant API)</h5><p>New: <code>/controller/email/EmailSettingsController.php</code></p><ul><li><code>getConfig</code> — this site's email config + sandbox status</li><li><code>updateConfig</code> — save this site's from/reply-to/CC/BCC</li><li><code>getLog</code> — this site's email log (paginated, filtered)</li><li><code>getUsage</code> — this site's daily usage stats + totals</li><li><code>getTemplates</code> — global templates + this site's overrides</li><li><code>saveTemplateOverride</code> — override a template for this site</li><li><code>resetTemplate</code> — reset to global default</li><li><code>sendTest</code> — send test email (sandbox on .lcl)</li></ul><h5>All Endpoints Verified:</h5><p>getDashboardStats ✓ (3 emails logged, sandbox=ON), getSiteConfigs ✓ (40 configs), getTemplates ✓ (20), getEmailLog ✓, getConfig ✓, getUsage ✓, getLog ✓, sendTest ✓ (401 due to IP block, logged correctly)</p>