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

prod/clickhouse/uv/04_max_hold_ingress.sql

@@ -0,0 +1,26 @@
+-- Full per-evaluation ingress for BLUE-faithful UV MAX_HOLD modulation.
+-- UV namespace only. Apply during the normal certify-then-restart window.
+
+CREATE TABLE IF NOT EXISTS dolphin_uv.max_hold_ingress
+(
+    timestamp                DateTime64(3, 'UTC'),
+    trade_id                 String,
+    asset                    LowCardinality(String),
+    side                     LowCardinality(String),
+    evaluation_bar           UInt64,
+    bars_held                UInt32,
+    cascade_count            UInt16,
+    regime_signal            Int8,
+    imbalance_ma5            Float64,
+    effective_imbalance      Float64,
+    withdrawal_velocity      Float64,
+    base_max_hold_bars       UInt32,
+    max_hold_bars            UInt32,
+    branch                   LowCardinality(String),
+    source                   LowCardinality(String),
+    fallback                 UInt8,
+    ingress_json             String
+)
+ENGINE = MergeTree()
+ORDER BY (trade_id, evaluation_bar, timestamp)
+SETTINGS index_granularity = 8192;