chore: initial commit — existing lottoData codebase

Files:
- lottery.py (1189 lines) — DoubleColorBallGenerator core engine
- fetch_data.py (131 lines) — history data fetcher from 55128.cn
- web_executor.py (216 lines) — data fetch Web console (Flask :5000)
- app.py (505 lines) — number generation Web service (Flask :8085)
- index.html (1171 lines) — frontend SPA
- web_console.html (323 lines) — fetch console frontend
- deploy/ — systemd service + cron script + logs

BIZ-74 architecture review baseline

deploy/fetch_daily.sh

@@ -0,0 +1,17 @@
+#!/bin/bash
+# 双色球历史数据每日自动抓取
+# Cron: 0 2 * * * /home/vincent/Studio/lottoData/deploy/fetch_daily.sh >> /home/vincent/Studio/lottoData/deploy/cron.log 2>&1
+
+SCRIPT_DIR="/home/vincent/Studio/lottoData"
+VENV_PYTHON="${SCRIPT_DIR}/venv/bin/python3"
+FETCH_SCRIPT="${SCRIPT_DIR}/fetch_data.py"
+LOG_DIR="${SCRIPT_DIR}/deploy"
+LOG_FILE="${LOG_DIR}/fetch_$(date +%Y%m%d).log"
+
+mkdir -p "${LOG_DIR}"
+
+echo "=== $(date '+%Y-%m-%d %H:%M:%S') 开始执行双色球数据抓取 ==="
+"${VENV_PYTHON}" "${FETCH_SCRIPT}" >> "${LOG_FILE}" 2>&1
+RC=$?
+echo "=== $(date '+%Y-%m-%d %H:%M:%S') 执行完成, exit code=${RC} ==="
+exit ${RC}