phase 14-15: docker build validation and helm deployment

lakehouse/views/paper_trade_detail.sql

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+-- View: paper_trade_detail
+-- Per-order paper trade detail joining orders, fills, and the originating
+-- recommendation's prediction outcome. Useful for drill-down from the scorecard.
+-- Requirements: 10.1, 10.3, 10.4
+-- Design ref: Section 9.2 (evidence-to-outcome drill-down)
+
+CREATE OR REPLACE VIEW lakehouse.stonks.paper_trade_detail AS
+SELECT
+    o.order_id,
+    o.recommendation_id,
+    o.ticker,
+    o.side,
+    o.order_type,
+    o.quantity,
+    o.limit_price,
+    o.status            AS order_status,
+    o.submitted_at,
+    f.fill_id,
+    f.fill_price,
+    f.fill_quantity,
+    f.commission,
+    f.filled_at,
+    -- Slippage: difference between limit and fill price (buys positive = worse)
+    CASE
+        WHEN o.limit_price IS NOT NULL AND o.limit_price > 0 THEN
+            (f.fill_price - o.limit_price) / o.limit_price * 100
+        ELSE NULL
+    END                 AS slippage_pct,
+    -- Link back to prediction outcome
+    pvo.predicted_action,
+    pvo.predicted_confidence,
+    pvo.actual_move_pct,
+    pvo.outcome         AS prediction_outcome,
+    o.broker_account,
+    o.dt
+FROM
+    lakehouse.stonks.trade_orders o
+LEFT JOIN
+    lakehouse.stonks.trade_fills f
+    ON o.order_id = f.order_id
+    AND o.dt = f.dt
+LEFT JOIN
+    lakehouse.stonks.prediction_vs_outcome pvo
+    ON o.recommendation_id = pvo.recommendation_id
+    AND o.dt = pvo.dt
+WHERE
+    o.execution_mode = 'paper';