build 039: complete Quotes Feed migration foundation

scripts/create_market_engine.sh

@@ -0,0 +1,34 @@
+#!/usr/bin/env bash
+set -euo pipefail
+
+if [ "$#" -ne 1 ]; then
+    echo "Usage: $0 <engine_name>"
+    echo "Example: $0 trend"
+    exit 1
+fi
+
+ENGINE_NAME="$1"
+BASE="app/src/trading/market_intelligence"
+ENGINE_DIR="$BASE/$ENGINE_NAME"
+
+mkdir -p "$ENGINE_DIR"
+
+FILES=(
+    __init__.py
+    constants.py
+    models.py
+    engine.py
+    payloads.py
+    calculators.py
+    evaluators.py
+)
+
+for FILE in "${FILES[@]}"; do
+cat > "$ENGINE_DIR/$FILE" <<EOF
+# app/src/trading/market_intelligence/$ENGINE_NAME/$FILE
+EOF
+done
+
+echo
+echo "Created market intelligence engine:"
+find "$ENGINE_DIR" -type f | sort