Diagnóstico y fix SQL Server: SERVERNAME, TDS_Version, Puerto explicitos

backend/diag_plantillas.py

@@ -0,0 +1,12 @@
+# diag_plantillas.py  —  Verifica otros_general (endpoint liviano).
+import time, services as S
+
+for mes in ["TODOS", "1", "2"]:
+    t0 = time.time()
+    d = S.otros_general("2026", mes, "TODOS")
+    seg = time.time() - t0
+    p = d["matriz_plantillas"]["total"]
+    print(f"MES {mes:6}  ({seg:.1f}s)  plantillas_env={p['enviadas']} matric={p['matriculas']}  "
+          f"always_filas={len(d['matriz_always']['filas'])} webform_filas={len(d['matriz_webform']['filas'])} "
+          f"asignados_total={d['matriz_asignados']['total']}")
+print("OK. (2da vez el mismo mes debe ser instantaneo por cache)")