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>

djapi/.serena/memories/suggested_commands.md

@@ -0,0 +1,44 @@
+# Suggested Commands
+
+## Development
+```bash
+python manage.py runserver 0.0.0.0:8000          # dev server
+python manage.py check --deploy                    # check config
+python manage.py test api                          # run tests
+```
+
+## uWSGI
+```bash
+uwsgi --ini uwsgi.ini                              # start
+uwsgi --reload uwsgi.pid                           # hot reload
+uwsgi --stop uwsgi.pid                             # stop
+# On server:
+/opt/miniconda/envs/django/bin/uwsgi --ini /home/simon/myquant/djapi/uwsgi.ini
+kill $(lsof -ti:5004)                              # force stop
+```
+
+## Deploy
+```bash
+# Full sync (exclude production data)
+rsync -avz --delete \
+  --exclude='.env' --exclude='db.sqlite3' \
+  --exclude='*.log' --exclude='uwsgi.pid' \
+  --exclude='__pycache__/' --exclude='*.pyc' \
+  --exclude='xwlb_video/' --exclude='audio_processing/' \
+  /Users/summer/Downloads/cc-cursor/djapi/ \
+  simon@doorcome.cn:/home/simon/myquant/djapi/
+
+# Single file sync MUST use full target path
+rsync -avz api/views.py simon@doorcome.cn:/home/simon/myquant/djapi/api/views.py
+```
+
+## API Docs
+- /api/docs/  — Swagger UI
+- /api/redoc/ — ReDoc
+- /api/schema/ — OpenAPI JSON
+
+## Video Processing
+```bash
+cd api/video
+python main.py
+```