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/lotto-web.service

@@ -0,0 +1,16 @@
+[Unit]
+Description=双色球数据抓取 Web 服务
+After=network.target
+
+[Service]
+Type=simple
+User=vincent
+WorkingDirectory=/home/vincent/Studio/lottoData
+ExecStart=/home/vincent/Studio/lottoData/venv/bin/python3 /home/vincent/Studio/lottoData/web_executor.py
+ExecStartPre=/home/vincent/Studio/lottoData/venv/bin/python3 -c "import flask; import pandas; import openpyxl; import requests; import bs4"
+Restart=on-failure
+RestartSec=5
+KillMode=control-group
+
+[Install]
+WantedBy=multi-user.target