fix: correcciones parciales - ProjectController, ProfileController, Phase features, project-map JS

app/Models/Phase.php

@@ -30,4 +30,12 @@ class Phase extends Model
     {
         return $this->hasOne(Layer::class)->latestOfMany();
     }
+
+    /**
+     * Get all features across all layers of this phase.
+     */
+    public function features()
+    {
+        return $this->hasManyThrough(Feature::class, Layer::class);
+    }
 }