blueprint function

static/js/api.js

@@ -182,6 +182,30 @@ window.sendCommand = async function() {
     }
     
     payload = { research_id };
+  } else if (type === 'blueprints') {
+    const blueprint_name = window.selectedBlueprintName;
+    if (!blueprint_name) return alert('Παρακαλώ επιλέξτε Blueprint.');
+    
+    try {
+      const res = await fetch('/dashboard/blueprints', {
+        method: 'POST',
+        headers: { 'Content-Type': 'application/json' },
+        body: JSON.stringify({
+          town_id: town.town_id,
+          blueprint_name: blueprint_name
+        })
+      });
+      const data = await res.json();
+      if (data.ok) {
+        alert(data.is_active ? 'Blueprint ενεργοποιήθηκε!' : 'Blueprint απενεργοποιήθηκε!');
+        window.fetchTowns(); // refresh towns to update UI state
+      } else {
+        alert('Σφάλμα: ' + data.error);
+      }
+    } catch(e) {
+      alert('Failed to toggle blueprint: ' + e);
+    }
+    return; // Exit here as we don't send this to /dashboard/commands
   }
 
   try {