chore: add extension icon + fix broken tile reference

config.json tile pointed at a non-existent chatelet.png. Add the shared aio
logo (static/image/aio.png) and point the tile at it — matches the fleet
convention (satmachineadmin/spirekeeper) and gives the catalog a valid icon.

Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_019VUQCfdqiLSsFS2jcGnaFD

config.json

@@ -5,7 +5,7 @@
   "repo": "https://git.atitlan.io/aiolabs/chatelet",
   "short_description": "Nostr-native room rentals (Airbnb-style) for LNbits",
   "description": "",
-  "tile": "/chatelet/static/image/chatelet.png",
+  "tile": "/chatelet/static/image/aio.png",
   "min_lnbits_version": "1.4.0",
   "contributors": [
     {

migrations.py

@@ -86,13 +86,16 @@ async def m001_initial(db):
         """
     )
     # Overlap checks scan by room + status; index the hot path.
+    # NOTE: the schema qualifier goes on the INDEX name, not the table — SQLite
+    # attaches the ext DB as schema `chatelet`, and `CREATE INDEX ON schema.table`
+    # is a syntax error there. (Matches the restaurant extension's pattern.)
     await db.execute(
-        "CREATE INDEX idx_chatelet_bookings_room_status "
-        "ON chatelet.bookings (room_id, status);"
+        "CREATE INDEX chatelet.idx_bookings_room_status "
+        "ON bookings (room_id, status);"
     )
     await db.execute(
-        "CREATE INDEX idx_chatelet_bookings_payment_hash "
-        "ON chatelet.bookings (payment_hash);"
+        "CREATE INDEX chatelet.idx_bookings_payment_hash "
+        "ON bookings (payment_hash);"
     )
 
     # Manual owner-side blocks (maintenance, personal use).
@@ -109,7 +112,7 @@ async def m001_initial(db):
         """
     )
     await db.execute(
-        "CREATE INDEX idx_chatelet_blocks_room ON chatelet.blocks (room_id);"
+        "CREATE INDEX chatelet.idx_blocks_room ON blocks (room_id);"
     )