Replay fuori da Puma, fix ops cron e firma release Android.

Dopo auth Rails redirect a URL presigned su /media/ (edge → Garage); aumenta
RAILS_MAX_THREADS, corregge ingest log ops via stdin e keystore Play Console.

Co-authored-by: Cursor <cursoragent@cursor.com>

native/android/.gitignore

@@ -6,3 +6,5 @@
 /captures/
 /app/build/
 .DS_Store
+keystore.properties
+keystore/