phase 14-15: docker build validation and helm deployment

infra/migrations/005_parser_output_ref.sql

@@ -0,0 +1,5 @@
+-- Stonks Oracle - Add parser_output_ref to documents table
+-- Stores the MinIO reference to the structured parser output JSON
+-- (metadata, quality signals, warnings, outbound links, tags, etc.)
+
+ALTER TABLE documents ADD COLUMN IF NOT EXISTS parser_output_ref VARCHAR(1000);