feat: 4环节记录依据策略(source_strategy贯穿候选→提拔→重评快照)

- candidates+source_strategy, 4scanner INSERT写策略名(ON CONFLICT同步)
- promote读c.source_strategy→holding.strategy_name
- snapshot_strategy_history继承strategy_name写history
- 历史回填447只候选+18只自选+8只holding

deploy/profile-scripts/mofin_db.py

@@ -1960,7 +1960,7 @@ def snapshot_strategy_history(conn, code: str, source_trigger: str = "write_hold
         row = conn.execute(
             "SELECT code, name, decision_type, strategy_type, full_analysis, "
             "action, timing_signal, entry_low, entry_high, stop_loss, take_profit, "
-            "position_advice, rr_ratio, version, reassessed_at "
+            "position_advice, rr_ratio, version, strategy_name, reassessed_at "
             "FROM holding_strategies WHERE code=? AND status='active'",
             (code,)
         ).fetchone()
@@ -1971,14 +1971,14 @@ def snapshot_strategy_history(conn, code: str, source_trigger: str = "write_hold
             INSERT INTO strategy_history
             (code, name, decision_type, strategy_type, full_analysis, action,
              timing_signal, entry_low, entry_high, stop_loss, take_profit,
-             position_advice, rr_ratio, version, source_trigger, reassessed_at, snapshotted_at)
-            VALUES (?,?,?,?,?,?,?,?,?,?,?,?,?,?,?,?,?)
+             position_advice, rr_ratio, version, strategy_name, source_trigger, reassessed_at, snapshotted_at)
+            VALUES (?,?,?,?,?,?,?,?,?,?,?,?,?,?,?,?,?,?)
         """, (
             row[0], row[1], row[2], row[3],
             row[4], row[5], row[6],
             row[7], row[8], row[9], row[10],
             row[11], row[12], row[13],
-            source_trigger, row[14], now
+            row[14], source_trigger, row[15], now
         ))
         conn.commit()
         # 每只股票只保留最近20条历史