feat: 新增股票基础数据获取模块 stock_basic

- 新增 get_stock_basic 和 sync_all_stocks 函数
- 完善 Tushare 数据获取模块体系
- 测试用例重构：从 Mock 改为真实 API 调用
- 更新 API 文档，添加接口使用示例
- 更新开发规范：添加 Mock 使用规范

src/data/daily.py

@@ -57,14 +57,24 @@ def get_daily(
     if adj:
         params["adj"] = adj
     if factors:
-        params["factors"] = factors
+        # Tushare expects factors as comma-separated string, not list
+        if isinstance(factors, list):
+            factors_str = ",".join(factors)
+        else:
+            factors_str = factors
+        params["factors"] = factors_str
+        print(f"[get_daily] factors param: '{factors_str}'")
     if adjfactor:
         params["adjfactor"] = "True"
 
-    # Fetch data
-    data = client.query("daily", **params)
+    # Fetch data using pro_bar (supports factors like tor, vr)
+    print(f"[get_daily] Query params: {params}")
+    data = client.query("pro_bar", **params)
 
-    if data.empty:
+    if not data.empty:
+        print(f"[get_daily] Returned columns: {data.columns.tolist()}")
+        print(f"[get_daily] Sample row: {data.iloc[0].to_dict()}")
+    else:
         print(f"[get_daily] No data for ts_code={ts_code}")
 
     return data