docs: record 1.7.10 map footer, Cordn controls/push, matrix

AGENTS.md

@@ -2397,9 +2397,16 @@ Rules:
       dedupe. APK sha256 `96b01ec8…`, versionCode 10709. Web forced live at
       `d33f65e`. First draft: issue #7 (`kind 30078`,
       `d=skatespots:newsletter:draft`) ready for review; not auto-published.
-      Remaining Cordn items (#3 join-request push, #5 reactions/delete/read
-      receipts, inline promote/demote) and the full translation matrix/low-end
-      benchmark are **not** in 1.7.9 — see the blockers above.
+    - **1.7.10 (2026-10-28):** the map footer links are permanently back (the
+      hide toggle is gone); inline founder promote/demote in the Private chat
+      member row; encrypted MLS message reactions, delete-for-everyone and read
+      receipts; the minute Cordn join watcher (NIP-17 DMs + encrypted bell
+      cards); and the browser translation-matrix runner. First matrix evidence:
+      en↔es ~54s, en↔ca ~21s, Basque downloads >25min — a real M2M100-WASM
+      performance problem. APK sha256 `9b48e47c…`, versionCode 10710. Web forced
+      live at `775d1f9`. The watcher timer is installed and runs every minute;
+      its key is `82ce71cf…`, state in `~/.local/state/skatespots-cordn-watcher`.
+      Low-end/APK translation verification is still open.
 
 ### Relay archive (dataset backup)
 - **Transfer content between keys (`scripts/transfer-content.mjs`, 2026-10-04):**