docs(contacts-plan): mark W7 add-friend-from-room done (P5)

Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com>

docs/contacts-plan.md

@@ -177,8 +177,13 @@ forward compatible; `restamp` preserves it, `label_of` reads it); every member s
 `current_room.name` from the ticket → presence reports "in <name>" + the room header
 shows it. Sanitized via `sanitize_name` on mint + display. ⚠️ pure seam unit-tested +
 home field screenshot-verified; in-room header + friend-side "in <name>" presence need
-a live/2-machine confirm. **STILL pending:** local **recents** list (cosmetic room
-tags — now that labels exist they'd be meaningful) + an **add-friend-from-room** button.
+a live/2-machine confirm. **Add-friend-from-room — DONE 2026-06-16 (`fb17fd1`):** each
+participant card has a star — clickable ☆ adds that peer (pulling their live presence
+name + addr so they're reachable immediately, unlike a bare add-by-id), gold ★ once
+they're already a friend; hidden while friends are read-only. `AddFriendFromRoom` msg.
+⚠️ star + click want a live 2-machine confirm (needs a peer in the room). **STILL
+pending:** local **recents** list (cosmetic room tags — now that labels exist they'd be
+meaningful).
 
 ### P6 — Opt-in discovery — Small
 Wire the *discoverable* state to n0 DNS publish (default off, time-boxed). Lookup