chore(testing): ui-sweep 2026-10-09 all (explore + edges)

[trinity-ability]

ui-sweep report + state @ c90c711 — docs/testing/ui-sweep/ only.

• Whole-system run (--all): 15 sheets + 1 consolidated repro, 1 critical / 27 medium / 62 low.
• 24 public bugs filed (bug(ui): Anonymous public-chat history never restores after reload (session id lowercased on lookup) #3443–bug(ui): An operator whose session ends in the Workspace gets the client email-code sign-in with no route back to the operator login #3466); refactor: modal keyboard contract — Esc-to-close + focus trap on all bespoke modals (design-system p23) #1923 and bug(frontend): agent detail tabs are not in the URL — Back button leaves the page instead of returning to the previous tab #2900 commented.
• 8 findings from the 2026-09-13 run verified fixed.
• Screenshot evidence stays local (gitignored).

🤖 Generated with Claude Code

[vybe]

merge-train: batch validated on train/20261009-2324-b (#3504)