chore: .gitignore排除运行时数据文件和db

.gitignore

@@ -1,8 +1,26 @@
 __pycache__/
 *.pyc
 *.pyo
-data/reports/
-data/temp_realtime.json
 .DS_Store
 *.swp
 *.swo
+venv/
+.venv/
+*.db
+market.db
+market_data.db
+stock_analysis.db
+data/reports/
+data/temp_realtime.json
+data/stocks/
+data/*.json
+data/mofin.db
+data/market.db
+data/market_data.db
+data/stock_analysis.db
+!data/decisions.json
+!data/portfolio.json
+!data/watchlist.json
+!scripts/data/accuracy_stats.json
+!scripts/data/decisions.json
+!scripts/data/evaluation_input.json