diff --git a/supabase/functions/_shared/database.types.ts b/supabase/functions/_shared/database.types.ts
index b553874..b4ae330 100644
--- a/supabase/functions/_shared/database.types.ts
+++ b/supabase/functions/_shared/database.types.ts
@@ -1,4 +1,4 @@
-export type Json =
+export type Json =
   | string
   | number
   | boolean
diff --git a/supabase/functions/ai-generate-subject/index.ts b/supabase/functions/ai-generate-subject/index.ts
index d51c88a..b63d66b 100644
--- a/supabase/functions/ai-generate-subject/index.ts
+++ b/supabase/functions/ai-generate-subject/index.ts
@@ -3,6 +3,7 @@ import { corsHeaders } from "../_shared/cors.ts";
 import { HttpError, sendError, sendSuccess } from "../_shared/utils.ts";
 import { createClient } from "@supabase/supabase-js";
 import type { Database, Json } from "../_shared/database.types.ts";
+import { definicionesDeEstructurasDeColumnas } from "../_shared/estructuras.ts";
 import { z } from "zod";
 import {
   OpenAIService,
@@ -599,98 +600,3 @@ Deno.serve(async (req: Request): Promise<Response> => {
     );
   }
 });
-
-const definicionesDeEstructurasDeColumnas = {
-  contenido_tematico: {
-    "type": "object",
-    "properties": {
-      "x-column": {
-        "type": "string",
-        "enum": [
-          "contenido_tematico",
-        ],
-      },
-      "x-definicion": {
-        "type": "array",
-        "items": {
-          "type": "object",
-          "properties": {
-            "unidad": {
-              "type": "integer",
-            },
-            "titulo": {
-              "type": "string",
-            },
-            "temas": {
-              "type": "array",
-              "items": {
-                "type": "object",
-                "properties": {
-                  "nombre": {
-                    "type": "string",
-                  },
-                  "horasEstimadas": {
-                    "type": "integer",
-                    "description":
-                      "Horas del tema. La suma de todas las horasEstimadas debe ser igual a las horas académicas del prompt.",
-                  },
-                },
-                "required": [
-                  "nombre",
-                  "horasEstimadas",
-                ],
-                "additionalProperties": false,
-              },
-            },
-          },
-          "required": [
-            "unidad",
-            "titulo",
-            "temas",
-          ],
-          "additionalProperties": false,
-        },
-      },
-    },
-    "required": [
-      "x-column",
-      "x-definicion",
-    ],
-    "additionalProperties": false,
-  },
-  criterios_de_evaluacion: {
-    "type": "object",
-    "properties": {
-      "x-column": {
-        "type": "string",
-        "enum": [
-          "criterios_de_evaluacion",
-        ],
-      },
-      "x-definicion": {
-        "type": "array",
-        "items": {
-          "type": "object",
-          "properties": {
-            "criterio": {
-              "type": "string",
-            },
-            "porcentaje": {
-              "type": "integer",
-            },
-          },
-          "required": [
-            "criterio",
-            "porcentaje",
-          ],
-          "additionalProperties": false,
-        },
-      },
-    },
-    "required": [
-      "x-column",
-      "x-definicion",
-    ],
-    "additionalProperties": false,
-  },
-};