fix: handle optional growth provider metadata

migrations/000002_growth_analyst.sql

@@ -29,6 +29,12 @@ CREATE TABLE IF NOT EXISTS growth_reports (
     completed_at timestamptz
 );
 -- statement-break
+ALTER TABLE growth_reports ADD COLUMN IF NOT EXISTS provider_request_id text;
+-- statement-break
+ALTER TABLE growth_reports ADD COLUMN IF NOT EXISTS estimated_cost text;
+-- statement-break
+ALTER TABLE growth_reports ALTER COLUMN deterministic_evidence DROP NOT NULL;
+-- statement-break
 CREATE UNIQUE INDEX IF NOT EXISTS growth_reports_current_fingerprint_idx
     ON growth_reports (merchant_id, fingerprint)
     WHERE manual_refresh = false AND status IN ('QUEUED','ANALYZING','GENERATING','READY','PARTIAL');