fix: normalizar sync de google sheets para todos los dias, reparar 500 en ciclos lectivos, selector de ciclo lectivo en comisiones y opciones --keep-db --keep-users en install.sh

frontend/src/app.js

@@ -156,8 +156,32 @@ const translateHelper = function(s) {
     return s || '';
 };
 
+const urlForHelper = function(endpoint, params = {}) {
+    if (!endpoint) return '#';
+    const parts = endpoint.split('.');
+    const blueprint = parts.length > 1 ? parts[0] : '';
+    const action = parts.length > 1 ? parts[1] : parts[0];
+    let pathStr = `/${blueprint}/${action}`.replace(/^\/\//, '/').replace(/\/$/, '');
+    if (params && typeof params === 'object') {
+        const q = [];
+        for (const [k, v] of Object.entries(params)) {
+            if (k === 'id' || k === 'pk') {
+                pathStr += `/${v}`;
+            } else {
+                q.push(`${encodeURIComponent(k)}=${encodeURIComponent(v)}`);
+            }
+        }
+        if (q.length > 0) {
+            pathStr += (pathStr.includes('?') ? '&' : '?') + q.join('&');
+        }
+    }
+    return pathStr;
+};
+
 env.addGlobal('_', translateHelper);
 env.addFilter('_', translateHelper);
+env.addGlobal('url_for', urlForHelper);
+env.addFilter('url_for', urlForHelper);
 
 app.set('view engine', 'html');