phase 14-15: docker build validation and helm deployment

infra/migrations/007_disagreement_details.sql

@@ -0,0 +1,8 @@
+-- Stonks Oracle - Add disagreement details to trend windows
+-- Stores structured contradiction/disagreement representations
+-- so downstream consumers can inspect *why* signals conflict
+-- rather than relying on a single scalar contradiction_score.
+-- Requirements: 6.4
+
+ALTER TABLE trend_windows
+    ADD COLUMN IF NOT EXISTS disagreement_details JSONB DEFAULT '[]';