Add personal notes, DeepSearch history, backup offload, and gateway auth throttling

Also streamline the top navigation: drop the Tools dropdown, make Quizzes
and Battles icon-only entries, and remove the Workspace, Containers and
Editor entry points from the project detail page.

tests/api/profile/search.py

@@ -280,6 +280,29 @@ def test_profile_renders_heatmap_and_streak(app_server):
     assert "1 day streak" in html
 
 
+def test_search_users_includes_avatar_seed_for_custom_seed(app_server):
+    s, name = _signup_media()
+    r = s.post(
+        f"{BASE_URL}/profile/{name}/regenerate-avatar",
+        headers=JSON_media,
+    )
+    assert r.status_code == 200, r.text[:300]
+    seed = r.json()["data"]["avatar_seed"]
+    assert seed
+
+    found = s.get(f"{BASE_URL}/profile/search", params={"q": name}).json()["results"]
+    match = next(x for x in found if x["username"] == name)
+    assert match["avatar_seed"] == seed
+
+
+def test_search_users_avatar_seed_null_without_custom_seed(app_server):
+    s, name = _signup_media()
+
+    found = s.get(f"{BASE_URL}/profile/search", params={"q": name}).json()["results"]
+    match = next(x for x in found if x["username"] == name)
+    assert match.get("avatar_seed") is None
+
+
 def test_profile_badges_json_has_non_null_names(app_server):
     import time
     from devplacepy.database import get_table, refresh_snapshot