Change DATABASE_URL to db.sqlite for SJC volume

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>

Author: crthpl

backend/fly.toml

@@ -13,7 +13,7 @@ dockerfile = 'Dockerfile'
 PORT = '8080'
 KINDE_ISSUER = 'https://account.trading.camp'
 KINDE_AUDIENCE = 'trading-server-api,a9869bb1225848b9ad5bad2a04b72b5f'
-DATABASE_URL = 'sqlite:///data/dag-feb8.sqlite'
+DATABASE_URL = 'sqlite:///data/db.sqlite'
 #DATABASE_URL = 'sqlite:///data/cedar-dec26-dec29g.sqlite'
 KINDE_CLIENT_ID = '7286aeea55f84e81acbe5bfc5aef8ff8'
 KINDE_SUBDOMAIN = 'crazytieguy'