clickhouse: commit exit-leg/reconstruction/maras DDLs + UV/violet DDLs (M1 vendor reconcile, upstream-first)

prod/clickhouse/violet/31_violet_decision_divergence.sql

@@ -0,0 +1,19 @@
+-- VIOLET PASS9: per-factor VIOLET-vs-BLUE decision divergence monitor (v2).
+-- One row per (asset, factor, event_seq).  Extends the V1 feed-divergence
+-- idea to the factor plane (boost/beta/mc_scale/esof/ob/dc/posture etc.).
+-- Columns match DecisionDivergenceRow field set (asserted by test).
+-- Apply via apply_violet_ddl.py (one statement per HTTP POST).
+
+CREATE TABLE IF NOT EXISTS dolphin_violet.violet_decision_divergence
+(
+    `ts`            DateTime64(3, 'UTC'),
+    `asset`         LowCardinality(String),
+    `factor`        LowCardinality(String),
+    `violet_value`  Float64,
+    `blue_value`    Float64,
+    `abs_err`       Float64,
+    `event_seq`     UInt64
+)
+ENGINE = MergeTree
+ORDER BY (asset, factor, ts)
+TTL toDate(ts) + toIntervalDay(180);