diff --git a/core/competences/replay.py b/core/competences/replay.py
index c4c4ebf97..141d1c828 100644
--- a/core/competences/replay.py
+++ b/core/competences/replay.py
@@ -160,6 +160,9 @@ def _pause_action(competence: CompetenceSummary, *, phase: str) -> dict[str, Any
             "attendu": failure.get("attendu", ""),
             "demande": failure.get("demande", ""),
             "phase": phase,
+            "verdict_required": phase == "after",
+            "verdict_endpoint": f"/api/v1/lea/competences/{competence.id}/verdict",
+            "competence_id": competence.id,
+            "write_back_enabled": False,
         },
     }
-
diff --git a/tests/unit/test_dashboard_routes.py b/tests/unit/test_dashboard_routes.py
index 2c042f036..c24998f55 100644
--- a/tests/unit/test_dashboard_routes.py
+++ b/tests/unit/test_dashboard_routes.py
@@ -12,6 +12,7 @@ import pytest
 # Ajouter le répertoire racine au path
 sys.path.insert(0, str(Path(__file__).parent.parent.parent))
 
+import web_dashboard.app as dashboard_app
 from web_dashboard.app import app
 
 
@@ -62,6 +63,82 @@ class TestDashboardRoutes:
         assert 'competences' in data
         assert 'items' in data['competences']
 
+    def test_dashboard_replay_competence_proxy(self, client, monkeypatch):
+        """Le dashboard lance un replay competence supervise via streaming."""
+        calls = []
+
+        def fake_streaming(method, path, *, payload=None, timeout=10):
+            calls.append({
+                'method': method,
+                'path': path,
+                'payload': payload,
+                'timeout': timeout,
+            })
+            return dashboard_app.jsonify({
+                'success': True,
+                'status': 'started',
+                'replay': {'replay_id': 'replay_free_test'},
+            }), 200
+
+        monkeypatch.setattr(
+            dashboard_app,
+            '_dashboard_streaming_json_request',
+            fake_streaming,
+        )
+
+        resp = client.post(
+            '/api/v1/lea/competences/key_win_r_wait_explorer_exe/replay',
+            json={},
+        )
+
+        assert resp.status_code == 200
+        assert resp.get_json()['replay']['replay_id'] == 'replay_free_test'
+        assert calls == [{
+            'method': 'POST',
+            'path': '/api/v1/lea/competences/key_win_r_wait_explorer_exe/replay',
+            'payload': {
+                'supervised': True,
+                'start_replay': True,
+                'session_id': '',
+            },
+            'timeout': 30,
+        }]
+
+    def test_dashboard_submit_competence_verdict(self, client, monkeypatch):
+        """Le dashboard journalise un verdict sans write-back YAML."""
+        import core.competences.verdicts as verdicts_module
+
+        def fake_store(competence_id, payload):
+            assert competence_id == 'key_win_r_wait_explorer_exe'
+            assert payload['verdict_kind'] == 'valid'
+            return {
+                'verdict_id': payload['verdict_id'],
+                'competence_id': competence_id,
+                'verdict_kind': 'valid',
+                'duplicate': False,
+                'write_back_enabled': False,
+                'yaml_write': False,
+            }
+
+        monkeypatch.setattr(verdicts_module, 'store_competence_verdict', fake_store)
+
+        resp = client.post(
+            '/api/v1/lea/competences/key_win_r_wait_explorer_exe/verdict',
+            json={
+                'verdict_id': '123e4567-e89b-42d3-a456-426614174000',
+                'verdict_kind': 'valid',
+                'workflow_id': 'free_task:test',
+                'step_results': [{'step_id': 's1', 'status': 'success'}],
+                'context_signature': {'machine_id': 'DESKTOP-58D5CAC_windows'},
+            },
+        )
+
+        assert resp.status_code == 201
+        data = resp.get_json()
+        assert data['success'] is True
+        assert data['write_back_enabled'] is False
+        assert data['yaml_write'] is False
+
     def test_version(self, client):
         """L'API version retourne la version actuelle."""
         resp = client.get('/api/version')
diff --git a/web_dashboard/app.py b/web_dashboard/app.py
index 64f6f8af4..b7140e717 100644
--- a/web_dashboard/app.py
+++ b/web_dashboard/app.py
@@ -2515,6 +2515,151 @@ def dashboard_promote_competence(competence_id):
     }), status
 
 
+def _dashboard_streaming_json_request(
+    method: str,
+    path: str,
+    *,
+    payload: dict | None = None,
+    timeout: int = 10,
+):
+    """Proxy JSON minimal vers le streaming server, avec Bearer token."""
+    import urllib.error
+    import urllib.request
+
+    base_url = os.environ.get('RPA_STREAMING_URL', 'http://localhost:5005').rstrip('/')
+    url = f"{base_url}{path}"
+    headers = {
+        'Accept': 'application/json',
+        'Content-Type': 'application/json',
+    }
+    token = os.environ.get('RPA_API_TOKEN', '')
+    if token:
+        headers['Authorization'] = f'Bearer {token}'
+
+    data_bytes = None
+    if payload is not None:
+        data_bytes = json.dumps(payload).encode('utf-8')
+
+    try:
+        req = urllib.request.Request(url, data=data_bytes, headers=headers, method=method)
+        with urllib.request.urlopen(req, timeout=timeout) as response:
+            raw = response.read().decode('utf-8')
+            try:
+                data = json.loads(raw) if raw else {}
+            except json.JSONDecodeError:
+                data = {'raw': raw}
+            return jsonify(data), response.status
+    except urllib.error.HTTPError as exc:
+        raw = exc.read().decode('utf-8')
+        try:
+            detail = json.loads(raw) if raw else {'error': str(exc)}
+        except json.JSONDecodeError:
+            detail = {'error': raw or str(exc)}
+        return jsonify(detail), exc.code
+    except urllib.error.URLError as exc:
+        return jsonify({
+            'success': False,
+            'error': f'Serveur streaming (5005) inaccessible : {exc}',
+            'hint': 'Vérifiez que le service streaming est démarré et que l’agent Windows est connecté.',
+        }), 502
+
+
+@app.route('/api/v1/lea/competences/<competence_id>/replay', methods=['POST'])
+def dashboard_replay_competence(competence_id):
+    """Start a supervised competence replay through the dashboard."""
+    from urllib.parse import quote
+
+    payload = request.get_json(silent=True) or {}
+    replay_payload = {
+        'supervised': bool(payload.get('supervised', True)),
+        'start_replay': bool(payload.get('start_replay', True)),
+        'session_id': str(payload.get('session_id') or ''),
+    }
+    machine_id = str(payload.get('machine_id') or '').strip()
+    if machine_id:
+        replay_payload['machine_id'] = machine_id
+
+    encoded_id = quote(competence_id, safe='')
+    return _dashboard_streaming_json_request(
+        'POST',
+        f'/api/v1/lea/competences/{encoded_id}/replay',
+        payload=replay_payload,
+        timeout=30,
+    )
+
+
+@app.route('/api/v1/lea/replays/<replay_id>', methods=['GET'])
+def dashboard_replay_status(replay_id):
+    """Return replay status from the streaming server."""
+    from urllib.parse import quote
+
+    encoded_id = quote(replay_id, safe='')
+    return _dashboard_streaming_json_request(
+        'GET',
+        f'/api/v1/traces/stream/replay/{encoded_id}',
+        timeout=5,
+    )
+
+
+@app.route('/api/v1/lea/replays/<replay_id>/resume', methods=['POST'])
+def dashboard_resume_replay(replay_id):
+    """Resume a supervised replay from the dashboard modal."""
+    from urllib.parse import quote
+
+    payload = request.get_json(silent=True) or {}
+    encoded_id = quote(replay_id, safe='')
+    return _dashboard_streaming_json_request(
+        'POST',
+        f'/api/v1/traces/stream/replay/{encoded_id}/resume',
+        payload={
+            'acknowledged_check_ids': payload.get('acknowledged_check_ids') or [],
+        },
+        timeout=10,
+    )
+
+
+@app.route('/api/v1/lea/competences/<competence_id>/verdict', methods=['POST'])
+def dashboard_submit_competence_verdict(competence_id):
+    """Persist a supervised competence verdict from the dashboard."""
+    try:
+        from core.competences.verdicts import (
+            CompetenceVerdictError,
+            store_competence_verdict,
+        )
+        payload = request.get_json(silent=True) or {}
+        verdict = store_competence_verdict(competence_id, payload)
+    except KeyError:
+        return jsonify({
+            'success': False,
+            'error': f"Competence '{competence_id}' introuvable",
+            'write_back_enabled': False,
+            'yaml_write': False,
+        }), 404
+    except CompetenceVerdictError as exc:
+        return jsonify({
+            'success': False,
+            'error': str(exc),
+            'write_back_enabled': False,
+            'yaml_write': False,
+        }), 400
+    except Exception as exc:
+        return jsonify({
+            'success': False,
+            'error': str(exc),
+            'write_back_enabled': False,
+            'yaml_write': False,
+        }), 500
+
+    return jsonify({
+        'success': True,
+        'competence_id': competence_id,
+        'verdict': verdict,
+        'duplicate': verdict['duplicate'],
+        'write_back_enabled': False,
+        'yaml_write': False,
+    }), 200 if verdict['duplicate'] else 201
+
+
 def _kb_faiss_stats() -> dict:
     """Statistiques de l'index FAISS."""
     faiss_index_path = DATA_PATH / "faiss_index" / "main.index"
diff --git a/web_dashboard/templates/knowledge_base.html b/web_dashboard/templates/knowledge_base.html
index d01bd47eb..d65d3d8ee 100644
--- a/web_dashboard/templates/knowledge_base.html
+++ b/web_dashboard/templates/knowledge_base.html
@@ -292,7 +292,7 @@
                         <th>État</th>
                         <th>Verdicts</th>
                         <th>Contextes</th>
-                        <th>Promotion</th>
+                        <th>Test / Promotion</th>
                     </tr>
                 </thead>
                 <tbody id="competencesTableBody">
@@ -335,11 +335,33 @@
     </div>
 </div>
 
+<div class="modal-backdrop" id="testModal">
+    <div class="modal">
+        <div class="modal-header">
+            <div class="modal-title" id="testTitle">Test supervisé</div>
+            <button class="modal-close" onclick="closeTestModal()">Fermer</button>
+        </div>
+        <div class="modal-body">
+            <div id="testStatus"></div>
+            <h2 style="font-size:14px;margin:14px 0 8px;color:#94a3b8;">Progression</h2>
+            <div class="evidence-list" id="testProgress">--</div>
+            <h2 style="font-size:14px;margin:14px 0 8px;color:#94a3b8;">État replay</h2>
+            <pre class="diff-box" id="testEvidence">En attente...</pre>
+            <div class="danger-note">Le verdict est journalisé séparément. Aucun YAML n'est modifié par ce test.</div>
+        </div>
+        <div class="modal-actions" id="testActions">
+            <button class="secondary-btn" onclick="closeTestModal()">Fermer</button>
+        </div>
+    </div>
+</div>
+
 <script>
 document.addEventListener('DOMContentLoaded', loadKnowledgeBase);
 
 let knowledgeBaseData = null;
 let currentPromotion = null;
+let currentTest = null;
+let testPollTimer = null;
 
 async function loadKnowledgeBase() {
     try {
@@ -433,6 +455,7 @@ function renderCompetences(competences) {
 
     tbody.innerHTML = items.map(item => {
         const targetEntries = Object.entries(item.eligible_targets || {});
+        const testButton = `<button class="secondary-btn" title="Lancer un replay supervisé sans CLI" onclick="openCompetenceTest('${escapeAttr(item.id)}')">Tester</button>`;
         const buttons = targetEntries.length === 0
             ? '<span style="color:#64748b;font-size:12px;">Aucune promotion disponible</span>'
             : targetEntries.map(([target, info]) => {
@@ -462,12 +485,237 @@ function renderCompetences(competences) {
                     </div>
                 </td>
                 <td>${item.distinct_contexts || 0}</td>
-                <td><div class="action-row">${buttons}</div></td>
+                <td><div class="action-row">${testButton}${buttons}</div></td>
             </tr>
         `;
     }).join('');
 }
 
+async function openCompetenceTest(competenceId) {
+    clearTestPolling();
+    currentTest = { competenceId, replayId: null, lastState: null };
+    document.getElementById('testModal').classList.add('visible');
+    document.getElementById('testTitle').textContent = `Test supervisé ${competenceId}`;
+    document.getElementById('testStatus').innerHTML = '<div class="alert alert-info">Lancement du replay supervisé...</div>';
+    document.getElementById('testProgress').textContent = '--';
+    document.getElementById('testEvidence').textContent = 'Initialisation...';
+    document.getElementById('testActions').innerHTML = '<button class="secondary-btn" onclick="closeTestModal()">Fermer</button>';
+
+    try {
+        const resp = await fetch(`/api/v1/lea/competences/${encodeURIComponent(competenceId)}/replay`, {
+            method: 'POST',
+            headers: {'Content-Type': 'application/json'},
+            body: JSON.stringify({
+                supervised: true,
+                start_replay: true,
+            }),
+        });
+        const data = await resp.json();
+        if (!resp.ok || data.success === false) {
+            throw new Error(data.error || data.detail || resp.statusText);
+        }
+        const replay = data.replay || data;
+        const replayId = replay.replay_id;
+        if (!replayId) {
+            throw new Error('Replay lancé mais replay_id absent');
+        }
+        currentTest.replayId = replayId;
+        document.getElementById('testStatus').innerHTML = '<div class="alert alert-success">Replay lancé. Attente du premier état...</div>';
+        startTestPolling();
+    } catch (err) {
+        document.getElementById('testStatus').innerHTML = `<div class="alert alert-warning">${escapeHtml(err.message || String(err))}</div>`;
+        document.getElementById('testActions').innerHTML = '<button class="secondary-btn" onclick="closeTestModal()">Fermer</button>';
+    }
+}
+
+function startTestPolling() {
+    clearTestPolling();
+    pollCompetenceTest();
+    testPollTimer = setInterval(pollCompetenceTest, 1000);
+}
+
+function clearTestPolling() {
+    if (testPollTimer) {
+        clearInterval(testPollTimer);
+        testPollTimer = null;
+    }
+}
+
+async function pollCompetenceTest() {
+    if (!currentTest?.replayId) return;
+    try {
+        const resp = await fetch(`/api/v1/lea/replays/${encodeURIComponent(currentTest.replayId)}`);
+        const state = await resp.json();
+        if (!resp.ok || state.success === false) {
+            throw new Error(state.error || state.detail || resp.statusText);
+        }
+        currentTest.lastState = state;
+        renderTestState(state);
+        if (['completed', 'error', 'cancelled'].includes(state.status)) {
+            clearTestPolling();
+            if (state.status === 'completed') {
+                setTimeout(loadKnowledgeBase, 500);
+            }
+        }
+    } catch (err) {
+        document.getElementById('testStatus').innerHTML = `<div class="alert alert-warning">${escapeHtml(err.message || String(err))}</div>`;
+    }
+}
+
+function renderTestState(state) {
+    const completed = state.completed_actions ?? state.actions_completed ?? 0;
+    const total = state.total_actions ?? '?';
+    const remaining = state.actions_remaining ?? '';
+    const failed = state.failed_action || {};
+    const phase = state.pause_phase || failed.phase || inferPausePhase(failed.action_id || '');
+    const progress = [
+        `Replay: ${state.replay_id || currentTest?.replayId || '-'}`,
+        `Machine: ${state.machine_id || '-'}`,
+        `Statut: ${state.status || '-'}`,
+        `Actions: ${completed}/${total}`,
+        remaining !== '' ? `Restantes: ${remaining}` : '',
+    ].filter(Boolean).join(' · ');
+    document.getElementById('testProgress').textContent = progress;
+
+    document.getElementById('testEvidence').textContent = JSON.stringify({
+        replay_id: state.replay_id || currentTest?.replayId,
+        status: state.status,
+        workflow_id: state.workflow_id,
+        machine_id: state.machine_id,
+        pause_phase: phase,
+        message: state.message || state.pause_message,
+        failed_action: failed,
+        results_count: Array.isArray(state.step_results || state.results) ? (state.step_results || state.results).length : 0,
+    }, null, 2);
+
+    if (state.status === 'paused_need_help') {
+        const msg = escapeHtml(state.message || state.pause_message || 'Validation humaine requise');
+        if (phase === 'after' || state.verdict_required || failed.verdict_required) {
+            document.getElementById('testStatus').innerHTML = `<div class="alert alert-info">${msg}</div>`;
+            document.getElementById('testActions').innerHTML = `
+                <button class="action-btn" onclick="submitCompetenceVerdict('valid')">Valide</button>
+                <button class="secondary-btn" onclick="submitCompetenceVerdict('inconclusive')">Incertain</button>
+                <button class="secondary-btn" onclick="submitCompetenceVerdict('invalid')">Invalide</button>
+                <button class="secondary-btn" onclick="closeTestModal()">Fermer</button>
+            `;
+        } else {
+            document.getElementById('testStatus').innerHTML = `<div class="alert alert-info">${msg}</div>`;
+            document.getElementById('testActions').innerHTML = `
+                <button class="action-btn" onclick="resumeCompetenceTest()">Continuer le test</button>
+                <button class="secondary-btn" onclick="closeTestModal()">Fermer</button>
+            `;
+        }
+        return;
+    }
+
+    if (state.status === 'completed') {
+        document.getElementById('testStatus').innerHTML = '<div class="alert alert-success">Replay terminé. La base de connaissances est rafraîchie.</div>';
+        document.getElementById('testActions').innerHTML = '<button class="action-btn" onclick="closeTestModal(); loadKnowledgeBase();">Fermer</button>';
+        return;
+    }
+
+    if (['error', 'cancelled'].includes(state.status)) {
+        document.getElementById('testStatus').innerHTML = `<div class="alert alert-warning">Replay ${escapeHtml(state.status)}.</div>`;
+        document.getElementById('testActions').innerHTML = '<button class="secondary-btn" onclick="closeTestModal()">Fermer</button>';
+        return;
+    }
+
+    document.getElementById('testStatus').innerHTML = '<div class="alert alert-info">Replay en cours...</div>';
+    document.getElementById('testActions').innerHTML = '<button class="secondary-btn" onclick="closeTestModal()">Fermer</button>';
+}
+
+function inferPausePhase(actionId) {
+    if (String(actionId).includes('_pause_after')) return 'after';
+    if (String(actionId).includes('_pause_before')) return 'before';
+    return '';
+}
+
+async function resumeCompetenceTest() {
+    if (!currentTest?.replayId) return;
+    document.getElementById('testStatus').innerHTML = '<div class="alert alert-info">Reprise du replay...</div>';
+    try {
+        const resp = await fetch(`/api/v1/lea/replays/${encodeURIComponent(currentTest.replayId)}/resume`, {
+            method: 'POST',
+            headers: {'Content-Type': 'application/json'},
+            body: JSON.stringify({ acknowledged_check_ids: [] }),
+        });
+        const data = await resp.json();
+        if (!resp.ok || data.success === false) {
+            throw new Error(data.error || data.detail?.error || data.detail || resp.statusText);
+        }
+        startTestPolling();
+    } catch (err) {
+        document.getElementById('testStatus').innerHTML = `<div class="alert alert-warning">${escapeHtml(err.message || String(err))}</div>`;
+    }
+}
+
+async function submitCompetenceVerdict(kind) {
+    if (!currentTest?.competenceId || !currentTest?.replayId) return;
+    const state = currentTest.lastState || {};
+    const stepResults = compactStepResults(state.step_results || state.results || []);
+    const payload = {
+        verdict_id: newPromotionId(),
+        verdict_kind: kind,
+        verdict_by: 'human:dom',
+        workflow_id: state.workflow_id || currentTest.replayId,
+        step_results: stepResults,
+        context_signature: {
+            machine_id: state.machine_id || 'unknown_machine',
+            screen_state_initial: '',
+            screen_state_after_action: state.last_screenshot || '',
+        },
+        evidence: {
+            replay_id: currentTest.replayId,
+            replay_status: state.status || '',
+            actions_completed: state.completed_actions ?? state.actions_completed ?? 0,
+            total_actions: state.total_actions ?? '',
+            pause_phase: state.pause_phase || state.failed_action?.phase || '',
+        },
+        source: {
+            frontend: 'dashboard_knowledge_base',
+            workflow_id: state.workflow_id || currentTest.replayId,
+            replay_id: currentTest.replayId,
+        },
+        comments: `Verdict humain dashboard: ${kind}`,
+        write_back_enabled: false,
+        yaml_write: false,
+    };
+
+    try {
+        const resp = await fetch(`/api/v1/lea/competences/${encodeURIComponent(currentTest.competenceId)}/verdict`, {
+            method: 'POST',
+            headers: {'Content-Type': 'application/json'},
+            body: JSON.stringify(payload),
+        });
+        const data = await resp.json();
+        if (!resp.ok || !data.success) {
+            throw new Error(data.error || resp.statusText);
+        }
+        document.getElementById('testStatus').innerHTML = '<div class="alert alert-success">Verdict enregistré. Finalisation du replay...</div>';
+        await resumeCompetenceTest();
+        setTimeout(loadKnowledgeBase, 500);
+    } catch (err) {
+        document.getElementById('testStatus').innerHTML = `<div class="alert alert-warning">${escapeHtml(err.message || String(err))}</div>`;
+    }
+}
+
+function compactStepResults(results) {
+    if (!Array.isArray(results)) return [];
+    return results.map((item, index) => ({
+        step_id: item.step_id || item.action_id || `step_${index + 1}`,
+        action_type: item.action_type || item.type || item.action?.type || '',
+        status: item.status || item.result || (item.success === false ? 'failed' : 'success'),
+        error: item.error || item.message || '',
+        resolution_method: item.resolution_method || item.method || '',
+    }));
+}
+
+function closeTestModal() {
+    clearTestPolling();
+    document.getElementById('testModal').classList.remove('visible');
+    currentTest = null;
+}
+
 async function openPromotion(competenceId, targetState, verdictIds) {
     currentPromotion = null;
     document.getElementById('promotionModal').classList.add('visible');