-- Keeping requests and answers, for a project that asks: how long, and
-- what share of its requests. Off for every project until set, like
-- conversations: a gateway that keeps no text is the default.
ALTER TABLE projects ADD COLUMN request_log_hours INTEGER;
ALTER TABLE projects ADD COLUMN request_log_sample REAL;

-- The request as the model was sent it — after the guardrails' redaction
-- and with any stored conversation spliced in — and the answer as the
-- client was sent it.
CREATE TABLE request_bodies (
  request_id   TEXT PRIMARY KEY,
  project_id   TEXT NOT NULL,
  ts           INTEGER NOT NULL,
  expires_at   INTEGER NOT NULL,
  path         TEXT NOT NULL,
  model        TEXT NOT NULL,
  served_model TEXT NOT NULL,
  status       INTEGER NOT NULL,
  request      TEXT NOT NULL,
  response     TEXT NOT NULL,
  truncated    INTEGER NOT NULL DEFAULT 0
);
CREATE INDEX request_bodies_expiry ON request_bodies (expires_at);