"fix: add family to authorized_families on create and OAuth login

backend/src/routes/oauth.rs

@@ -119,6 +119,21 @@ pub async fn google_callback(
         .await
         .map_err(|_| StatusCode::INTERNAL_SERVER_ERROR)?;
 
+    if let Some(family_id) = user.family_id {
+        let mut authorized_families: Vec<i32> = session
+            .get("authorized_families")
+            .await
+            .unwrap_or(None)
+            .unwrap_or_default();
+        if !authorized_families.contains(&family_id) {
+            authorized_families.push(family_id);
+            session
+                .insert("authorized_families", authorized_families)
+                .await
+                .ok();
+        }
+    }
+
     let redirect_url = frontend_url.unwrap_or_else(|| "http://localhost:3000".to_string());
 
     Ok(Redirect::temporary(&redirect_url))