fix pb migration

docker/entrypoint.sh

@@ -12,7 +12,9 @@ if [ -n "$PB_EMAIL" ] && [ -n "$PB_PASSWORD" ]; then
 fi
 
 # Start PocketBase (internal only; published via loopback for admin UI).
-pocketbase serve --http=0.0.0.0:8090 --dir="$PB_DATA" &
+# --automigrate=false: we own schema via proxy migrate.ts; PB's built-in
+# automigrate generates conflicting snapshots on upgraded stores.
+pocketbase serve --http=0.0.0.0:8090 --dir="$PB_DATA" --automigrate=false &
 
 # Wait for PB to be healthy before starting the proxy (which runs migrate).
 echo "[entrypoint] Waiting for PocketBase..."