feat: add trading stats to AI context and one-click deployment data clearing

- Add historical trading statistics to AI decision context with language detection
- Remove win rate from metrics, focus on profit factor, sharpe ratio, win/loss ratio
- Add option to clear trading data tables during one-click deployment
- Add sqlite to Docker runtime for container-based data clearing

install.sh

@@ -128,6 +128,38 @@ pull_images() {
     echo -e "${GREEN}✓ Images pulled${NC}"
 }
 
+# Ask user if they want to clear trading data
+ask_clear_trading_data() {
+    local db_file="data/data.db"
+
+    # Only ask if database file exists
+    if [ ! -f "$db_file" ]; then
+        CLEAR_TRADING_DATA="no"
+        return 0
+    fi
+
+    echo ""
+    echo -e "${YELLOW}═══════════════════════════════════════════════════════════════${NC}"
+    echo -e "${YELLOW}Do you want to clear trading data? (orders, fills, positions)${NC}"
+    echo -e "${BLUE}  • trader_orders    (Order records)${NC}"
+    echo -e "${BLUE}  • trader_fills     (Fill/execution records)${NC}"
+    echo -e "${BLUE}  • trader_positions (Position records)${NC}"
+    echo -e "${YELLOW}═══════════════════════════════════════════════════════════════${NC}"
+    echo ""
+    echo -e "${BLUE}Type 'yes' to clear tables, press Enter or any other input to skip${NC}"
+    echo -n "Input: "
+    read -r confirm
+
+    if [ "$confirm" == "yes" ]; then
+        CLEAR_TRADING_DATA="yes"
+        echo -e "${YELLOW}Trading data will be cleared after services start...${NC}"
+    else
+        CLEAR_TRADING_DATA="no"
+        echo -e "${BLUE}Skipping data clear${NC}"
+    fi
+    echo ""
+}
+
 # Start services
 start_services() {
     echo -e "${YELLOW}Starting NOFX services...${NC}"
@@ -135,6 +167,28 @@ start_services() {
     echo -e "${GREEN}✓ Services started${NC}"
 }
 
+# Clear trading data via container (called after services are ready)
+clear_trading_data() {
+    if [ "$CLEAR_TRADING_DATA" != "yes" ]; then
+        return 0
+    fi
+
+    echo -e "${YELLOW}Clearing trading data tables via container...${NC}"
+
+    # Wait a moment for database to be ready
+    sleep 2
+
+    # Execute SQL to clear tables via docker exec
+    $COMPOSE_CMD exec -T backend sh -c "sqlite3 /app/data/data.db 'DELETE FROM trader_fills; DELETE FROM trader_orders; DELETE FROM trader_positions;'" 2>/dev/null
+
+    if [ $? -eq 0 ]; then
+        echo -e "${GREEN}✓ Trading data tables cleared${NC}"
+    else
+        echo -e "${RED}Failed to clear trading data. You can manually run:${NC}"
+        echo -e "${BLUE}  $COMPOSE_CMD exec backend sqlite3 /app/data/data.db 'DELETE FROM trader_fills; DELETE FROM trader_orders; DELETE FROM trader_positions;'${NC}"
+    fi
+}
+
 # Wait for services
 wait_for_services() {
     echo -e "${YELLOW}Waiting for services to be ready...${NC}"
@@ -224,8 +278,10 @@ main() {
     download_files
     generate_env
     pull_images
+    ask_clear_trading_data
     start_services
     wait_for_services
+    clear_trading_data
     print_success
 }