chore(events): add v1.6.1-aio.5 — signer abstraction + door-scanner stats endpoint

Bumped 1.6.1-aio.3 → 1.6.1-aio.5 (aio.4 skipped; no tagged release at
that version). Catalog now offers both -aio.3 and -aio.5; older
installs stay resolvable per "don't overwrite a version entry in
place".

aiolabs/events#24

Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>

extensions.json

@@ -175,6 +175,16 @@
             "archive": "https://git.atitlan.io/aiolabs/events/archive/v1.6.1-aio.3.zip",
             "hash": "14521ba712ae4ef0f4c8ad70a256ec384aefee7c524913725c550f43e404f227"
         },
+        {
+            "id": "events",
+            "repo": "https://git.atitlan.io/aiolabs/events",
+            "name": "AIO Events",
+            "version": "1.6.1-aio.5",
+            "short_description": "Signer-abstraction migration: nostr publishing now routes through resolve_for_wallet → opaque NostrSigner (no more account.prvkey reads; works with LocalSigner / RemoteBunkerSigner / ClientSideOnlySigner). New GET /tickets/event/{event_id}/stats endpoint for HTTP-based door-scanner clients (webapp activities scanner).",
+            "icon": "https://git.atitlan.io/aiolabs/events/raw/branch/main/static/image/events.png",
+            "archive": "https://git.atitlan.io/aiolabs/events/archive/v1.6.1-aio.5.zip",
+            "hash": "01c6e0abc0f1477fd6e517cce6dfc2bc16a0acec746dfdb4a5191f61464f6f9f"
+        },
         {
             "id": "nostrclient",
             "repo": "https://git.atitlan.io/aiolabs/nostrclient",