docs: 移动蓝绿部署指南到 troubleshooting 目录

ops-tools/check_alembic_heads.py

@@ -0,0 +1,28 @@
+#!/usr/bin/env python3
+"""检查 alembic 迁移版本"""
+
+import asyncio
+import asyncpg
+import os
+
+async def check_heads():
+    conn = await asyncpg.connect(
+        host='postgres',
+        user='wecom',
+        password='wecom_secret_2026',
+        database='wecom_it_desk'
+    )
+
+    # 检查 alembic_version 表
+    rows = await conn.fetch('SELECT version_num, branch_from, depends_on FROM alembic_version ORDER BY rank')
+
+    if not rows:
+        print("No migration versions found!")
+    else:
+        print(f"Found {len(rows)} migration version(s):")
+        for r in rows:
+            print(f"  - {r['version_num']} (branch_from: {r['branch_from']}, depends_on: {r['depends_on']})")
+
+    await conn.close()
+
+asyncio.run(check_heads())