feat(vwb): log supervised competence verdicts

visual_workflow_builder/backend/api/lea_competences.py

@@ -0,0 +1,61 @@
+"""Lea competence supervision endpoints exposed by the VWB backend."""
+
+from __future__ import annotations
+
+from flask import Blueprint, jsonify, request
+
+from core.competences.verdicts import (
+    CompetenceVerdictError,
+    iter_competence_verdicts,
+    store_competence_verdict,
+)
+
+
+lea_competences_bp = Blueprint(
+    "lea_competences",
+    __name__,
+    url_prefix="/api/v1/lea/competences",
+)
+
+
+@lea_competences_bp.route("/<competence_id>/verdict", methods=["POST"])
+def submit_competence_verdict(competence_id: str):
+    """Persist one supervised human verdict without touching YAML."""
+
+    payload = request.get_json(silent=True) or {}
+    try:
+        verdict = store_competence_verdict(competence_id, payload)
+    except KeyError:
+        return jsonify({
+            "success": False,
+            "error": f"Competence '{competence_id}' introuvable",
+        }), 404
+    except CompetenceVerdictError as exc:
+        return jsonify({
+            "success": False,
+            "error": str(exc),
+            "write_back_enabled": False,
+            "yaml_write": False,
+        }), 400
+
+    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
+
+
+@lea_competences_bp.route("/<competence_id>/verdicts", methods=["GET"])
+def list_competence_verdicts(competence_id: str):
+    """Return logged supervised verdicts for one competence."""
+
+    return jsonify({
+        "success": True,
+        "competence_id": competence_id,
+        "verdicts": iter_competence_verdicts(competence_id=competence_id),
+        "write_back_enabled": False,
+        "yaml_write": False,
+    })