Add minute bar feature pipeline

pipeline/common/schema.py

@@ -26,6 +26,24 @@ DATA_COLUMNS: Final[list[str]] = [
     "pcfNcfTTM",     # float64: P/CF (net cash flow, TTM)
 ]
 
+# Required columns for raw intraday minute bar parquet files.
+MINUTE_BAR_COLUMNS: Final[list[str]] = [
+    "symbol_id",     # str: internal code like 'sh600000'
+    "symbol_name",   # str: stock name like '浦发银行'
+    "datetime",      # datetime64: intraday bar timestamp
+    "date",          # date component, aligned with daily DATA_COLUMNS date
+    "time",          # str: HH:MM:SS bar time
+    "frequency",     # str: e.g. '5m'
+    "open",          # float64
+    "high",          # float64
+    "low",           # float64
+    "close",         # float64
+    "volume",        # float64 (shares)
+    "amount",        # float64 (turnover in yuan, raw/unadjusted)
+    "vwap",          # float64: amount / volume
+    "adjustflag",    # str: baostock adjustment flag; '3' for raw/unadjusted
+]
+
 # Required columns for alpha parquet files.
 # Alphas are position WEIGHTS: positive=long, negative=short.
 ALPHA_COLUMNS: Final[list[str]] = [