feat(lea): add dashboard competence promotion dry run

web_dashboard/app.py

@@ -2465,10 +2465,56 @@ def knowledge_base_stats():
         'sessions': _kb_sessions_stats(),
         'patterns': _kb_patterns_stats(),
         'workflows': _kb_workflows_stats(),
+        'competences': _kb_competences_stats(),
     }
     return jsonify(result)
 
 
+@app.route('/api/v1/lea/competences/<competence_id>/promote', methods=['POST'])
+def dashboard_promote_competence(competence_id):
+    """Dry-run or apply a supervised competence promotion from the dashboard."""
+
+    try:
+        from core.competences.promotions import (
+            CompetencePromotionError,
+            promote_competence_from_verdicts,
+        )
+        payload = request.get_json(silent=True) or {}
+        promotion = promote_competence_from_verdicts(competence_id, payload)
+    except KeyError:
+        return jsonify({
+            'success': False,
+            'error': f"Competence '{competence_id}' introuvable",
+        }), 404
+    except CompetencePromotionError 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
+
+    status = 200 if promotion.get('dry_run') or promotion.get('duplicate') else 201
+    return jsonify({
+        'success': True,
+        'competence_id': competence_id,
+        'promotion': {
+            key: value for key, value in promotion.items()
+            if not str(key).startswith('_')
+        },
+        'dry_run': promotion.get('dry_run', False),
+        'write_back_enabled': not promotion.get('dry_run', False),
+        'yaml_write': bool(promotion.get('write_applied', False)),
+    }), status
+
+
 def _kb_faiss_stats() -> dict:
     """Statistiques de l'index FAISS."""
     faiss_index_path = DATA_PATH / "faiss_index" / "main.index"
@@ -2597,6 +2643,29 @@ def _kb_workflows_stats() -> dict:
     return {'total': total}
 
 
+def _kb_competences_stats() -> dict:
+    """Statistiques des compétences Lea YAML et verdicts supervisés."""
+    try:
+        from core.competences.promotions import summarize_competence_promotions
+        competences = summarize_competence_promotions()
+        by_state = {}
+        for item in competences:
+            state = item.get('learning_state', 'unknown')
+            by_state[state] = by_state.get(state, 0) + 1
+        return {
+            'total': len(competences),
+            'by_state': by_state,
+            'items': competences,
+        }
+    except Exception as exc:
+        return {
+            'total': 0,
+            'by_state': {},
+            'items': [],
+            'error': str(exc),
+        }
+
+
 def _dir_size(path: Path) -> int:
     """Calcule la taille totale d'un dossier (non récursif profond pour la perf)."""
     total = 0