phase 14-15: docker build validation and helm deployment

lakehouse/schemas/trade_signals.sql

@@ -1,16 +1,24 @@
 -- Analytical fact table: trade_signals
--- Partitioned by dt on MinIO
+-- Aggregated trend signals and recommendation actions.
+-- Partitioned by dt on MinIO.
+-- Path: s3://stonks-lakehouse/warehouse/trade_signals/dt={yyyy-mm-dd}/part-*.parquet
+-- Requirements: 6.1, 6.2, 6.4, 6.5, 7.1, 9.4, 9.5, 10.1
+-- Design ref: Section 6.4, Section 6.5, Section 7 (lake.trade_signals)
 
 CREATE TABLE IF NOT EXISTS lakehouse.stonks.trade_signals (
-    signal_id         VARCHAR,
-    ticker            VARCHAR,
-    trend_direction   VARCHAR,
-    trend_strength    DOUBLE,
-    confidence        DOUBLE,
-    action            VARCHAR,
-    time_horizon      VARCHAR,
-    generated_at      TIMESTAMP(6) WITH TIME ZONE,
-    dt                DATE
+    signal_id             VARCHAR,
+    ticker                VARCHAR,
+    trend_direction       VARCHAR,
+    trend_strength        DOUBLE,
+    confidence            DOUBLE,
+    contradiction_score   DOUBLE,
+    dominant_catalysts    VARCHAR,
+    material_risks        VARCHAR,
+    action                VARCHAR,
+    time_horizon          VARCHAR,
+    recommendation_id     VARCHAR,
+    generated_at          TIMESTAMP(6) WITH TIME ZONE,
+    dt                    DATE
 ) WITH (
     format = 'PARQUET',
     partitioned_by = ARRAY['dt'],