diff --git a/frontend/index.html b/frontend/index.html
index 481ae84..9edf578 100644
--- a/frontend/index.html
+++ b/frontend/index.html
@@ -1280,6 +1280,152 @@
             padding-top: 16px;
         }
 
+        .index-action-status {
+            margin-bottom: 14px;
+        }
+
+        .index-job-pill {
+            display: inline-flex;
+            align-items: center;
+            gap: 8px;
+            font-family: 'IBM Plex Mono', monospace;
+            font-size: 12px;
+            color: #c7d3e0;
+            background-color: #1b2837;
+            border-radius: 999px;
+            padding: 6px 12px;
+        }
+
+        .index-job-pill.idle {
+            color: #8ea2b7;
+        }
+
+        .index-job-pill.running {
+            color: #fcd34d;
+            background-color: #f59e0b22;
+        }
+
+        .index-job-dot {
+            width: 8px;
+            height: 8px;
+            border-radius: 50%;
+            background-color: #fcd34d;
+            animation: index-job-pulse 1.2s ease-in-out infinite;
+        }
+
+        @keyframes index-job-pulse {
+            0%, 100% { opacity: 0.35; }
+            50% { opacity: 1; }
+        }
+
+        .index-job-tail {
+            margin: 0 0 14px;
+            max-height: 140px;
+            overflow: auto;
+            background-color: #0d1622;
+            border: 1px solid #263548;
+            border-radius: 6px;
+            padding: 10px 12px;
+            font-family: 'IBM Plex Mono', monospace;
+            font-size: 11px;
+            color: #8ea2b7;
+            white-space: pre-wrap;
+        }
+
+        .index-action-buttons {
+            display: flex;
+            flex-wrap: wrap;
+            gap: 10px;
+        }
+
+        .index-action-hint {
+            margin-top: 12px;
+            font-size: 12px;
+            color: #8ea2b7;
+            line-height: 1.5;
+        }
+
+        .merge-candidate-list {
+            display: flex;
+            flex-direction: column;
+            gap: 14px;
+        }
+
+        .merge-candidate-card {
+            background-color: #0d1622;
+            border: 1px solid #263548;
+            border-radius: 8px;
+            padding: 16px;
+        }
+
+        .merge-candidate-people {
+            display: flex;
+            align-items: center;
+            gap: 16px;
+            flex-wrap: wrap;
+        }
+
+        .merge-candidate-person {
+            flex: 1;
+            min-width: 160px;
+        }
+
+        .merge-candidate-name {
+            font-size: 14px;
+            font-weight: 600;
+            color: #e5edf5;
+        }
+
+        .merge-candidate-email {
+            margin-top: 2px;
+            font-size: 12px;
+            color: #8ea2b7;
+            font-family: 'IBM Plex Mono', monospace;
+        }
+
+        .merge-candidate-vs {
+            flex-shrink: 0;
+            font-size: 11px;
+            font-weight: 600;
+            color: #8ea2b7;
+            text-transform: uppercase;
+            letter-spacing: 0.08em;
+        }
+
+        .merge-candidate-context {
+            margin-top: 10px;
+            font-size: 12px;
+            color: #c7d3e0;
+        }
+
+        .merge-candidate-suggestion {
+            margin-top: 12px;
+            display: flex;
+            align-items: center;
+            gap: 10px;
+            flex-wrap: wrap;
+        }
+
+        .merge-candidate-confidence {
+            font-family: 'IBM Plex Mono', monospace;
+            font-size: 12px;
+            color: #8ea2b7;
+        }
+
+        .merge-candidate-reason {
+            margin-top: 8px;
+            font-size: 13px;
+            line-height: 1.5;
+            color: #c7d3e0;
+        }
+
+        .merge-candidate-actions {
+            margin-top: 14px;
+            display: flex;
+            gap: 10px;
+            flex-wrap: wrap;
+        }
+
         .confirmation-dialog {
             position: fixed;
             top: 0;
@@ -9118,26 +9264,108 @@
             );
         };
 
-        const SystemStatusPage = ({ token }) => {
+        const SystemStatusPage = ({ token, user, onShowToast }) => {
+            const isAdmin = user?.role === 'admin';
             const [data, setData] = useState(null);
             const [loading, setLoading] = useState(true);
             const [error, setError] = useState('');
+            const [actionBusy, setActionBusy] = useState(false);
+            const [candidates, setCandidates] = useState([]);
+            const [candidatesLoading, setCandidatesLoading] = useState(false);
+            const [decidingId, setDecidingId] = useState(null);
+
+            const loadStatus = useCallback(async () => {
+                const result = await api('/api/system/status', {}, token);
+                setData(result.data);
+                return result.data;
+            }, [token]);
 
             useEffect(() => {
+                let cancelled = false;
                 const load = async () => {
                     try {
                         setLoading(true);
-                        const result = await api('/api/system/status', {}, token);
-                        setData(result.data);
-                        setError('');
+                        await loadStatus();
+                        if (!cancelled) setError('');
                     } catch (err) {
-                        setError(getErrorMessage(err, 'Failed to load system status'));
+                        if (!cancelled) setError(getErrorMessage(err, 'Failed to load system status'));
                     } finally {
-                        setLoading(false);
+                        if (!cancelled) setLoading(false);
                     }
                 };
                 load();
-            }, [token]);
+                return () => { cancelled = true; };
+            }, [loadStatus]);
+
+            const indexJob = data?.index_job || null;
+            const jobRunning = !!(indexJob && indexJob.running);
+
+            // Poll the status endpoint while an index job is running so the
+            // indicator + last result update without a manual refresh.
+            useEffect(() => {
+                if (!jobRunning) return undefined;
+                let cancelled = false;
+                const interval = setInterval(async () => {
+                    try {
+                        if (!cancelled) await loadStatus();
+                    } catch (_) { /* transient; next tick retries */ }
+                }, 3000);
+                return () => { cancelled = true; clearInterval(interval); };
+            }, [jobRunning, loadStatus]);
+
+            const loadCandidates = useCallback(async () => {
+                if (!isAdmin) return;
+                try {
+                    setCandidatesLoading(true);
+                    const result = await api('/api/entities/merge-candidates', {}, token);
+                    setCandidates(Array.isArray(result.candidates) ? result.candidates : []);
+                } catch (err) {
+                    onShowToast(getErrorMessage(err, 'Failed to load duplicate review queue'), 'error');
+                } finally {
+                    setCandidatesLoading(false);
+                }
+            }, [isAdmin, token, onShowToast]);
+
+            useEffect(() => {
+                loadCandidates();
+            }, [loadCandidates]);
+
+            const runIndexAction = async (endpoint, label, confirmMessage) => {
+                if (jobRunning || actionBusy) return;
+                if (confirmMessage && !window.confirm(confirmMessage)) return;
+                try {
+                    setActionBusy(true);
+                    const result = await api(endpoint, { method: 'POST' }, token);
+                    const kind = result?.data?.kind || label;
+                    onShowToast(`Started: ${kind}`, 'success');
+                } catch (err) {
+                    if (err?.status === 409 || err?.payload?.error === 'job_running') {
+                        onShowToast('An index job is already running', 'error');
+                    } else {
+                        onShowToast(getErrorMessage(err, `Failed to start ${label}`), 'error');
+                    }
+                } finally {
+                    setActionBusy(false);
+                    try { await loadStatus(); } catch (_) { /* ignore refresh failure */ }
+                }
+            };
+
+            const decideCandidate = async (candidate, decision) => {
+                if (decidingId) return;
+                try {
+                    setDecidingId(candidate.id);
+                    await api(`/api/entities/merge-candidates/${candidate.id}`, {
+                        method: 'POST',
+                        body: JSON.stringify({ decision })
+                    }, token);
+                    setCandidates((prev) => prev.filter((c) => c.id !== candidate.id));
+                    onShowToast(decision === 'approve' ? 'Contacts merged' : 'Kept separate', 'success');
+                } catch (err) {
+                    onShowToast(getErrorMessage(err, 'Failed to record decision'), 'error');
+                } finally {
+                    setDecidingId(null);
+                }
+            };
 
             if (loading) return <div style={{ padding: '20px' }}><SkeletonBlock lines={8} /></div>;
             if (error) return <div className="toast error" style={{ position: 'static' }}>{error}</div>;
@@ -9202,6 +9430,121 @@
                         )}
                     </div>
 
+                    {isAdmin && (
+                        <div className="section">
+                            <div className="section-title">Index Actions</div>
+                            <div className="index-action-status">
+                                {jobRunning ? (
+                                    <span className="index-job-pill running">
+                                        <span className="index-job-dot" /> running: {indexJob.kind || 'job'}
+                                        {indexJob.started_at ? ` · started ${formatDate(indexJob.started_at)}` : ''}
+                                    </span>
+                                ) : indexJob && indexJob.result ? (
+                                    <span className="index-job-pill">
+                                        last: {indexJob.kind ? `${indexJob.kind} — ` : ''}{indexJob.result}
+                                        {indexJob.finished_at ? ` · ${formatDate(indexJob.finished_at)}` : ''}
+                                    </span>
+                                ) : (
+                                    <span className="index-job-pill idle">No index job has run yet.</span>
+                                )}
+                            </div>
+                            {jobRunning && indexJob.tail ? (
+                                <pre className="index-job-tail">{indexJob.tail}</pre>
+                            ) : null}
+                            <div className="index-action-buttons">
+                                <button
+                                    onClick={() => runIndexAction('/api/index/update', 'update search index')}
+                                    disabled={jobRunning || actionBusy}
+                                >
+                                    Update search index
+                                </button>
+                                <button
+                                    onClick={() => runIndexAction('/api/index/rebuild', 'rebuild search index', 'Rebuild the entire search index? This re-embeds every record and can take several minutes.')}
+                                    disabled={jobRunning || actionBusy}
+                                >
+                                    Rebuild search index
+                                </button>
+                                <button
+                                    onClick={() => runIndexAction('/api/entities/find-duplicates', 'find duplicate contacts')}
+                                    disabled={jobRunning || actionBusy}
+                                >
+                                    Find duplicate contacts
+                                </button>
+                            </div>
+                            <div className="index-action-hint">
+                                Update is a fast incremental pass. Rebuild re-embeds everything. Find duplicates runs the local model and fills the review queue below.
+                            </div>
+                        </div>
+                    )}
+
+                    {isAdmin && (
+                        <div className="section">
+                            <div className="section-title" style={{ display: 'flex', alignItems: 'center', gap: '8px', marginBottom: '16px' }}>
+                                Duplicate Review
+                                <span className="approval-pill">{candidates.length} pending</span>
+                            </div>
+                            {candidatesLoading ? (
+                                <SkeletonBlock lines={4} />
+                            ) : candidates.length === 0 ? (
+                                <div className="empty-state" style={{ padding: '20px 0' }}>No duplicates to review.</div>
+                            ) : (
+                                <div className="merge-candidate-list">
+                                    {candidates.map((c) => {
+                                        const verdict = (c.verdict || '').toLowerCase();
+                                        const confidencePct = c.confidence != null
+                                            ? `${Math.round((c.confidence <= 1 ? c.confidence * 100 : c.confidence))}%`
+                                            : null;
+                                        const busy = decidingId === c.id;
+                                        return (
+                                            <div key={c.id} className="merge-candidate-card">
+                                                <div className="merge-candidate-people">
+                                                    <div className="merge-candidate-person">
+                                                        <div className="merge-candidate-name">{c.name_a || '(no name)'}</div>
+                                                        <div className="merge-candidate-email">{c.email_a || '—'}</div>
+                                                    </div>
+                                                    <div className="merge-candidate-vs">vs</div>
+                                                    <div className="merge-candidate-person">
+                                                        <div className="merge-candidate-name">{c.name_b || '(no name)'}</div>
+                                                        <div className="merge-candidate-email">{c.email_b || '—'}</div>
+                                                    </div>
+                                                </div>
+                                                {c.context ? (
+                                                    <div className="merge-candidate-context">{c.context}</div>
+                                                ) : null}
+                                                <div className="merge-candidate-suggestion">
+                                                    <span className={`badge ${verdict === 'same' ? 'badge-funded' : 'badge-other'}`}>
+                                                        Suggestion: {c.verdict || 'unknown'}
+                                                    </span>
+                                                    {confidencePct ? (
+                                                        <span className="merge-candidate-confidence">{confidencePct} confidence</span>
+                                                    ) : null}
+                                                </div>
+                                                {c.reason ? (
+                                                    <div className="merge-candidate-reason">{c.reason}</div>
+                                                ) : null}
+                                                <div className="merge-candidate-actions">
+                                                    <button
+                                                        onClick={() => decideCandidate(c, 'approve')}
+                                                        disabled={busy}
+                                                    >
+                                                        Same person — merge
+                                                    </button>
+                                                    <button
+                                                        className="button-secondary"
+                                                        onClick={() => decideCandidate(c, 'reject')}
+                                                        disabled={busy}
+                                                    >
+                                                        Different — keep separate
+                                                    </button>
+                                                </div>
+                                            </div>
+                                        );
+                                    })}
+                                </div>
+                            )}
+                        </div>
+                    )}
+
                     <div className="section">
                         <div className="section-title">Thesis</div>
                         <div className="kpi-grid" style={{ marginBottom: 0 }}>
@@ -9486,7 +9829,7 @@
                             {page === 'pipeline' && <PipelinePage token={token} onShowToast={showToast} />}
                             {page === 'communications' && <CommunicationsPage token={token} onShowToast={showToast} />}
                             {page === 'thesis' && <ThesisPage token={token} user={user} onShowToast={showToast} />}
-                            {page === 'system-status' && <SystemStatusPage token={token} />}
+                            {page === 'system-status' && <SystemStatusPage token={token} user={user} onShowToast={showToast} />}
                             {page === 'feature-requests' && <FeatureRequestsPage token={token} onShowToast={showToast} user={user} />}
                             {page === 'instructions' && <InstructionsPage />}
                             {page === 'settings' && (
diff --git a/start9/0.4/startos/utils.ts b/start9/0.4/startos/utils.ts
index c9edbc8..d0251e3 100644
--- a/start9/0.4/startos/utils.ts
+++ b/start9/0.4/startos/utils.ts
@@ -9,8 +9,9 @@ export const PACKAGE_TITLE = 'Ten31 Database'
 //   * Cleanup:        0.1.0:40 (seed removed + multi-threaded server + abuser auto-ban)
 //   * 0.1.0:41 (frontend persists auth across refreshes)
 //   * 0.1.0:42 (Gmail integration) / 0.1.0:43 (Gmail POST-body hotfix)
-//   * Current:        0.1.0:44 (Phase-0 ingest + MCP server in image; build-index action)
-export const PACKAGE_VERSION = '0.1.0:44'
+//   * 0.1.0:44 (Phase-0 ingest + MCP server in image; build-index action)
+//   * Current:        0.1.0:45 (Phase-1 thesis system; dual approval; merge review; in-app index)
+export const PACKAGE_VERSION = '0.1.0:45'
 
 export const DATA_MOUNT_PATH = '/data'
 export const WEB_PORT = 8080
diff --git a/start9/0.4/startos/versions/index.ts b/start9/0.4/startos/versions/index.ts
index f83e997..5250c04 100644
--- a/start9/0.4/startos/versions/index.ts
+++ b/start9/0.4/startos/versions/index.ts
@@ -5,8 +5,9 @@ import { v_0_1_0_41 } from './v0.1.0.41'
 import { v_0_1_0_42 } from './v0.1.0.42'
 import { v_0_1_0_43 } from './v0.1.0.43'
 import { v_0_1_0_44 } from './v0.1.0.44'
+import { v_0_1_0_45 } from './v0.1.0.45'
 
 export const versionGraph = VersionGraph.of({
-  current: v_0_1_0_44,
-  other: [v_0_1_0_39, v_0_1_0_40, v_0_1_0_41, v_0_1_0_42, v_0_1_0_43],
+  current: v_0_1_0_45,
+  other: [v_0_1_0_39, v_0_1_0_40, v_0_1_0_41, v_0_1_0_42, v_0_1_0_43, v_0_1_0_44],
 })
diff --git a/start9/0.4/startos/versions/v0.1.0.45.ts b/start9/0.4/startos/versions/v0.1.0.45.ts
new file mode 100644
index 0000000..ca29231
--- /dev/null
+++ b/start9/0.4/startos/versions/v0.1.0.45.ts
@@ -0,0 +1,31 @@
+import { VersionInfo } from '@start9labs/start-sdk'
+
+// Phase-1 release: the Architect's thesis system + in-app data/index controls.
+//
+// Adds (web server + image; all schema via the CRM's own migration runner —
+// NO StartOS data migration, the live /data volume is preserved):
+//   * Thesis substrate (migration 0002): versioned per-segment thesis lines, a
+//     node tree + revisions, dual-approval review (thesis_reviews), segments.
+//   * Entity-merge review (migration 0003): the fuzzy/Qwen tier writes merge
+//     CANDIDATES for human approve/reject instead of auto-merging.
+//   * Web UI: a "Thesis" dual-approval review view and a "System Status" view
+//     (entity/index health, one-click index actions, duplicate-review queue).
+//   * Server routes: thesis review/approval, /api/system/status, UI-triggered
+//     index jobs (rebuild/update/find-duplicates), merge-candidate decisions.
+export const v_0_1_0_45 = VersionInfo.of({
+  version: '0.1.0:45',
+  releaseNotes: {
+    en_US: [
+      'Phase 1: the Architect thesis system. Adds versioned, per-segment thesis',
+      'lines with a dual partner sign-off review in the web app; a human-in-the-loop',
+      'duplicate-contact review queue (the local model suggests, you approve/reject);',
+      'one-click index actions and a system-status dashboard in the CRM; and the',
+      'supporting schema, created additively by the CRM migration runner — your',
+      'data is preserved.',
+    ].join(' '),
+  },
+  migrations: {
+    up: async () => {},
+    down: async () => {},
+  },
+})