feat(ci): 开发session环境手册 + Gitea Actions CI/CD workflow + parquet同步脚本

- docs/session-environment-guide.md: 面向各开发session的部署→验证→冒烟手册(P1)
- .gitea/workflows/ci-cd.yml: 复用Mac runner编排 test→nas-smoke→vps(prod gate)
- scripts/nas_sync/sync_parquet.sh: parquet全量scp(static+valuation), setsid脱离会话

scripts/nas_sync/sync_parquet.sh

@@ -0,0 +1,21 @@
+#!/bin/bash
+# NAS 端：VPS parquet(static+valuation) 全量 scp pull（一次性备份，非每日）。
+# 脱离 ssh 会话运行（避免 sshd 关会话杀进程组）：
+#   nohup setsid bash sync_parquet.sh </dev/null >/dev/null 2>&1 &
+set -u
+KEY=/var/services/homes/admin/.ssh/id_ed25519_nas
+VPS=Administrator@49.232.102.198
+DATA=/volume1/stock/sanguo_vnpy_v2/data
+LOG=/volume1/stock/sanguo_vnpy_v2/data_backup/parquet.log
+
+echo "=== parquet scp start $(date) ===" >> "$LOG"
+cd "$DATA" || { echo "cd fail" >> "$LOG"; exit 1; }
+
+# scp -r 覆盖式拉取（scp 无断点续传，已传文件会重传；6.24GB 全量约 70min）
+scp -r -i "$KEY" -o StrictHostKeyChecking=no \
+  "$VPS:C:/sanguo_vnpy_v2/data/static" \
+  "$VPS:C:/sanguo_vnpy_v2/data/valuation_baostock" ./ >> "$LOG" 2>&1
+echo "SCP_RC=$? $(date)" >> "$LOG"
+
+du -sh "$DATA/static" "$DATA/valuation_baostock" >> "$LOG" 2>&1
+echo "PARQUET_DONE $(date)" >> "$LOG"