Initial commit: cc-cursor 全链路量化研究平台

7 Sprints 全部完成:
  Sprint 0: 基础设施 (DataManager + MariaDB)
  Sprint 1: 因子引擎 (34因子/12分类)
  Sprint 2: VectorBT 回测 (5策略+截面)
  Sprint 3: Optuna 优化 (+Walk-Forward)
  Sprint 4: ML 模型 (LightGBM+CatBoost)
  Sprint 5: Qwen 情绪因子 (三源新闻+日期对齐)
  Sprint 6: Agent 系统 (4Agent+日报.md/.html)

生产加固 (15项): Tushare双源fallback, SSH自动恢复, pool_pre_ping,
  save_daily先删后插, load_dotenv绝对路径, 日报5d/20d修复,
  RiskAgent改上证指数, 昨日对比+数据截止, mac_report utf8mb4,
  CLAUDE-*.md 9条已知Bug, demo全参数化, djapi数据源归一化,
  indexDatas API修正

Co-Authored-By: Claude Opus 4.7 <noreply@anthropic.com>

.gitignore

@@ -0,0 +1,59 @@
+# Python
+__pycache__/
+*.pyc
+*.pyo
+*.egg-info/
+dist/
+build/
+
+# Virtual environments
+.venv/
+venv/
+env/
+
+# IDE
+.idea/
+.vscode/
+*.swp
+*.swo
+
+# OS
+.DS_Store
+Thumbs.db
+
+# Cache
+.cache/
+*.parquet
+
+# Sensitive
+.env
+*.token
+credentials.*
+
+# Database
+*.sqlite3
+*.db
+
+# Data files
+*.csv.gz
+finance/factors/sentiment/.cache/
+
+# MCP / Serena cache
+.serena/cache/
+
+# Reports output (keep reports/ directory but ignore generated files)
+finance/reports/daily_*.md
+finance/reports/daily_*.html
+
+# Node (if any)
+node_modules/
+
+# Jinja2 templates cache
+__jinja2_*
+
+# IPython
+.ipynb_checkpoints/
+
+# Claude Code local
+.claude/local/
+mcp-servers/serena