ARCHITECTURE

Storage architecture

D1, SQLite, WAL, indexes, and separation from releases.

#VPS SQLite

The production path is /var/lib/overweight/overweight-engine.sqlite. WAL and a busy timeout support concurrent engine writes and web reads.

#Sites D1

The logical DB binding is DB in .openai/hosting.json. Drizzle schemas and migrations mirror the structured records.

#Indexes

  • Unique observation agent/symbol/source timestamp.
  • Observation agent/symbol/time lookup.
  • Decision agent/time lookup.
  • Decision symbol/time lookup.
  • Published-agent creator lookup.

#Release separation

Database files are never included in the application archive. Operators back up the persistent path separately.