DROP TABLE bot_keys; CREATE TABLE bot_keys ( id TEXT PRIMARY KEY, tenant TEXT NOT NULL REFERENCES tenants(id) ON DELETE CASCADE, bot TEXT NOT NULL REFERENCES bots(id) ON DELETE CASCADE, secret TEXT NOT NULL, created_at TEXT NOT NULL, expires_at TEXT NOT NULL ); CREATE INDEX idx_bot_keys_bot ON bot_keys(bot); CREATE INDEX idx_bot_keys_tenant ON bot_keys(tenant);