phase 14-15: docker build validation and helm deployment

lakehouse/schemas/market_bars.sql

@@ -1,6 +1,9 @@
 -- Analytical fact table: market_bars
--- Partitioned by dt (date) on MinIO
+-- OHLCV bar data for tracked symbols.
+-- Partitioned by dt (date) on MinIO.
 -- Path: s3://stonks-lakehouse/warehouse/market_bars/dt={yyyy-mm-dd}/part-*.parquet
+-- Requirements: 2.1, 9.4, 9.5, 10.1
+-- Design ref: Section 7 (lake.market_bars)
 
 CREATE TABLE IF NOT EXISTS lakehouse.stonks.market_bars (
     ticker        VARCHAR,
@@ -10,7 +13,9 @@ CREATE TABLE IF NOT EXISTS lakehouse.stonks.market_bars (
     close_price   DOUBLE,
     volume        BIGINT,
     vwap          DOUBLE,
+    trade_count   BIGINT,
     bar_timestamp TIMESTAMP(6) WITH TIME ZONE,
+    bar_interval  VARCHAR,
     source        VARCHAR,
     dt            DATE
 ) WITH (