diff --git a/fserver.js b/server.js
similarity index 98%
rename from fserver.js
rename to server.js
index f25b285..3dcbf1c 100644
--- a/fserver.js
+++ b/server.js
@@ -930,7 +930,7 @@ app.get("/services/active", authMiddleware, async (req, res) => {
     } catch (e) { res.status(500).json({ ok: false }); }
 });
 
-// AÑADIDO: Ruta para fijar la cita o el estado operativo (CORREGIDA Y BLINDADA)
+// AÑADIDO: Ruta para fijar la cita o el estado operativo (REGLA ESTRICTA)
 app.put("/services/set-appointment/:id", authMiddleware, async (req, res) => {
     try {
         const { id } = req.params;
@@ -939,17 +939,30 @@ app.put("/services/set-appointment/:id", authMiddleware, async (req, res) => {
         const current = await pool.query('SELECT raw_data FROM scraped_services WHERE id = $1 AND owner_id = $2', [id, req.user.accountId]);
         if (current.rowCount === 0) return res.status(404).json({ ok: false, error: 'No encontrado' });
         
-        const updatedRawData = { ...current.rows[0].raw_data, ...extra, "scheduled_date": date || "", "scheduled_time": time || "", "status_operativo": status_operativo };
+        const oldDate = current.rows[0].raw_data.scheduled_date || "";
+        const oldTime = current.rows[0].raw_data.scheduled_time || "";
+        const newDate = date || "";
+        const newTime = time || "";
+
+        const updatedRawData = { ...current.rows[0].raw_data, ...extra, "scheduled_date": newDate, "scheduled_time": newTime, "status_operativo": status_operativo };
 
         await pool.query('UPDATE scraped_services SET raw_data = $1 WHERE id = $2 AND owner_id = $3', [JSON.stringify(updatedRawData), id, req.user.accountId]);
         
-        // --- 🕵️‍♂️ EL MOTOR ESCUCHA EL CAMBIO DE ESTADO ---
         const statusQ = await pool.query("SELECT name FROM service_statuses WHERE id=$1", [status_operativo]);
         const stName = statusQ.rows[0]?.name.toLowerCase() || "";
 
-        if (stName.includes('citado') && date) {
-            triggerWhatsAppEvent(req.user.accountId, id, 'wa_evt_date'); 
-        } else if (stName.includes('camino')) {
+        // REGLA ESTRICTA: ¿Es estado Citado y tiene fecha?
+        if (stName.includes('citado') && newDate !== "") {
+            if (oldDate === "") {
+                // No tenía fecha antes -> Dispara "Cita Creada"
+                triggerWhatsAppEvent(req.user.accountId, id, 'wa_evt_date'); 
+            } else if (oldDate !== newDate || oldTime !== newTime) {
+                // Ya tenía fecha y se ha cambiado -> Dispara "Modificación"
+                triggerWhatsAppEvent(req.user.accountId, id, 'wa_evt_update'); 
+            }
+        } 
+        // Otras reglas
+        else if (stName.includes('camino')) {
             triggerWhatsAppEvent(req.user.accountId, id, 'wa_evt_onway'); 
         } else if (stName.includes('finalizado') || stName.includes('terminado')) {
             triggerWhatsAppEvent(req.user.accountId, id, 'wa_evt_survey');