Statistiche per sessione di produzione: filtro production_run_id, elenco sessioni, select Sessione (#58)

Co-Authored-By: Claude Sonnet 5.5 <noreply@anthropic.com>

src/frontend/flask_app/blueprints/statistics.py

@@ -50,7 +50,7 @@ def _proxy_statistics(endpoint: str):
     for key in [
         "recipe_id", "version_id", "subtask_id",
         "date_from", "date_to", "operator_id",
-        "lot_number", "serial_number", "n_bins",
+        "lot_number", "serial_number", "n_bins", "production_run_id",  # #58
     ]:
         val = request.args.get(key)
         if val is not None and val != "":
@@ -127,6 +127,27 @@ def api_subtasks():
     return jsonify(resp)
 
 
+@statistics_bp.route("/api/runs")
+@login_required
+@role_required("Metrologist")
+def api_runs():
+    """Proxy: production runs of a recipe (#58, "Sessione" filter)."""
+    params = {}
+    recipe_id = request.args.get("recipe_id")
+    if recipe_id:
+        params["recipe_id"] = recipe_id
+
+    resp = api_client.get("/api/statistics/runs", params=params)
+
+    if isinstance(resp, dict) and resp.get("error"):
+        error_body = {"error": True, "detail": resp.get("detail", "")}
+        if resp.get("session_expired"):
+            error_body["session_expired"] = True
+        return jsonify(error_body), resp.get("status_code", 500)
+
+    return jsonify(resp)
+
+
 # ============================================================================
 # PROXY REPORT PDF → FastAPI
 # ============================================================================
@@ -137,7 +158,7 @@ def _proxy_report(endpoint: str):
     for key in [
         "recipe_id", "version_id", "subtask_id",
         "date_from", "date_to", "operator_id",
-        "lot_number", "serial_number",
+        "lot_number", "serial_number", "production_run_id",  # #58
     ]:
         val = request.args.get(key)
         if val is not None and val != "":