chore(ci): 临时runner环境诊断workflow

.gitea/workflows/runner-diagnose.yml

@@ -0,0 +1,56 @@
+name: Runner Diagnose
+on:
+  workflow_dispatch:
+    inputs:
+      reason:
+        description: "诊断原因"
+        required: false
+        default: "runner环境排查"
+
+jobs:
+  diagnose:
+    name: Runner环境诊断
+    runs-on: host
+    timeout-minutes: 3
+    steps:
+    - name: Check runner environment
+      shell: sh
+      run: |
+        set +e
+        echo "=== Runner环境诊断 ==="
+        echo "Runner: $GITEA_RUNNER_NAME"
+        echo "主机名: $(hostname)"
+        echo "时间: $(date)"
+        
+        echo ""
+        echo "=== PostgreSQL状态 ==="
+        ps aux | grep postgres | grep -v grep | head -5
+        
+        echo ""
+        echo "=== 端口检查 ==="
+        ss -tlnp 2>/dev/null | grep 5432 || netstat -tlnp 2>/dev/null | grep 5432 || echo "5432端口: 无法检测"
+        
+        echo ""
+        echo "=== 数据库连接测试 ==="
+        echo "DATABASE_URL: $DATABASE_URL"
+        python3 -c "
+import os, sys
+url = os.environ.get('DATABASE_URL', '')
+try:
+    from sqlalchemy import create_engine, text
+    engine = create_engine(url, connect_args={'connect_timeout': 10})
+    with engine.connect() as conn:
+        result = conn.execute(text('SELECT version()'))
+        print(f'PG版本: {result.fetchone()[0][:80]}')
+        result = conn.execute(text(\"SELECT count(*) FROM information_schema.tables WHERE table_schema='public'\"))
+        print(f'表数量: {result.fetchone()[0]}')
+    print('连接正常')
+except Exception as e:
+    print(f'连接失败: {e}')
+    sys.exit(1)
+"
+        
+        echo ""
+        echo "=== 磁盘/内存 ==="
+        df -h / | tail -1
+        free -h | head -2