Update server.js

server.js

@@ -53,9 +53,10 @@ const PROVIDERS = [
         url: "https://oai.endpoints.kepler.ai.cloud.ovh.net/v1/chat/completions" 
     },
     {
-        // Proveedor público alternativo que no pide API Key
-        id: "churchless-api",
-        url: "https://free.churchless.tech/v1/chat/completions"
+        // Proveedor público alternativo "Airforce" (reemplaza a churchless)
+        id: "airforce-api",
+        url: "https://api.airforce/v1/chat/completions",
+        modelsUrl: "https://api.airforce/v1/models"
     }
 ];
 
@@ -63,7 +64,7 @@ const PROVIDERS = [
 // Ahora el proxy dejará pasar todo el tráfico y el proveedor final aplicará el rate limit por IP.
 const MAX_PER_PROVIDER = 500; 
 const QUEUE_TIMEOUT = 45000; 
-let currentLoad = { "pollinations-ai": 0, "kepler-cloud": 0, "churchless-api": 0 };
+let currentLoad = { "pollinations-ai": 0, "kepler-cloud": 0, "airforce-api": 0 };
 
 // --- RATE LIMITING LOCAL ---
 const limiter = rateLimit({
@@ -107,9 +108,19 @@ async function fetchAllModels() {
             let modelsArray = Array.isArray(json) ? json : (json && Array.isArray(json.data) ? json.data : []);
             
             if (modelsArray.length > 0) {
-                return modelsArray
-                    .filter(model => !isAudioModel(model))
-                    .map(model => ({ ...model, id: model.id || model.name, owned_by: provider.id }));
+                // FILTRO: Excluir modelos de audio
+                let filteredModels = modelsArray.filter(model => !isAudioModel(model));
+
+                // 🔥 FILTRO ESPECÍFICO PARA KEPLER-CLOUD (SOLO FREE) 🔥
+                if (provider.id === "kepler-cloud") {
+                    filteredModels = filteredModels.filter(model => {
+                        const mId = (model.id || model.name || "").toLowerCase();
+                        // Filtra si el ID incluye la palabra "free" o si tiene un flag de coste cero
+                        return mId.includes("free") || model.is_free === true || model.pricing?.prompt === "0";
+                    });
+                }
+
+                return filteredModels.map(model => ({ ...model, id: model.id || model.name, owned_by: provider.id }));
             }
             return [];
         } catch (error) {
@@ -123,12 +134,13 @@ async function fetchAllModels() {
         if (result.status === "fulfilled") allModels = allModels.concat(result.value);
     });
     
+    // Fallback de seguridad si todas las APIs fallan al cargar modelos
     if (allModels.length === 0) {
         allModels = [
             { id: "gpt-4o", object: "model", type: "text", owned_by: "pollinations-ai" },
             { id: "claude-3-5-sonnet", object: "model", type: "text", owned_by: "pollinations-ai" },
-            { id: "gemini-1.5-pro", object: "model", type: "text", owned_by: "churchless-api" },
-            { id: "gemini-1.5-flash", object: "model", type: "text", owned_by: "churchless-api" }
+            { id: "gemini-1.5-pro", object: "model", type: "text", owned_by: "airforce-api" },
+            { id: "gemini-1.5-flash", object: "model", type: "text", owned_by: "airforce-api" }
         ];
     }
     return allModels;