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/e2e/comments/copylink.py

@@ -0,0 +1,28 @@
+# retoor <retoor@molodetz.nl>
+
+from playwright.sync_api import expect
+from tests.e2e.post import create_post
+
+
+def test_comment_copy_link_button(alice):
+    page, _ = alice
+    create_post(page, "devlog", "Post for comment permalink test")
+    textarea = page.locator(".comment-form textarea[name='content']")
+    textarea.fill("Comment for permalink test")
+    page.locator(".comment-form button:has-text('Post')").click()
+    comment_text = page.locator(".comment-text:has-text('Comment for permalink test')")
+    expect(comment_text).to_be_visible()
+    wrapper = page.locator(".comment-body", has=comment_text)
+    comment_uid = wrapper.get_attribute("data-comment-uid")
+    assert comment_uid
+    copy_btn = page.locator(f".comment-action-btn[data-share='#comment-{comment_uid}']")
+    expect(copy_btn).to_be_visible()
+    copy_btn.click()
+    expect(copy_btn).to_have_text("Copied!", timeout=3000)
+    expect(copy_btn).not_to_have_text("Copied!", timeout=3000)
+    try:
+        clip = page.evaluate("navigator.clipboard.readText()")
+    except Exception:
+        clip = None
+    if clip:
+        assert clip.endswith(f"#comment-{comment_uid}"), f"clipboard={clip!r}"