Add SFTP upload debug test and result report

- Add sftp_upload_debug_test.sh: detailed upload debugging script
- Add sftp_test_result_report.md: complete test results
- Verify: 1KB file upload/download successful, MD5 consistent
- Issue: SSH_FXP_WRITE log missing, file attributes format abnormal
- Status: SFTP core functionality working, small file transfer successful

data/sftp_upload_debug_test.sh

@@ -0,0 +1,102 @@
+#!/bin/bash
+# SFTP 上传详细调试测试脚本
+# 启用最大日志级别，检查 SSH_FXP_OPEN 和 SSH_FXP_WRITE 处理
+
+echo "=== SFTP 上传详细调试测试 ==="
+echo "测试目标：诊断 SSH_FXP_WRITE packet 未出现的原因"
+echo ""
+
+# 创建极小测试文件（1KB）
+echo "创建测试文件（1KB）..."
+dd if=/dev/urandom of=/tmp/sftp_debug_1kb.bin bs=1024 count=1 2>&1 | tail -1
+ls -lh /tmp/sftp_debug_1kb.bin
+
+echo ""
+echo "=== 启用 SSH server 详细日志 ==="
+echo "日志文件：/private/tmp/sftp_upload_debug.log"
+
+# 重启 SSH server，启用 debug 级别日志
+pkill -9 -f "markbase-core ssh-start"
+sleep 2
+
+RUST_LOG=debug /Users/accusys/markbase/target/release/markbase-core ssh-start > /private/tmp/sftp_upload_debug.log 2>&1 &
+SSH_PID=$!
+sleep 3
+
+echo "SSH server 重启完成（PID: $SSH_PID）"
+echo ""
+
+echo "=== 测试 1: 基本连接测试 ==="
+sshpass -p 'demo123' sftp -P 2024 -o StrictHostKeyChecking=no -o UserKnownHostsFile=/dev/null -v demo@127.0.0.1 <<EOF
+pwd
+bye
+EOF
+
+echo ""
+echo "=== 测试 2: SFTP 上传测试（1KB 文件）==="
+echo "使用 -v 参数启用详细日志..."
+
+sshpass -p 'demo123' sftp -P 2024 -o StrictHostKeyChecking=no -o UserKnownHostsFile=/dev/null -v demo@127.0.0.1 <<EOF
+put /tmp/sftp_debug_1kb.bin /tmp/sftp_upload_debug.bin
+ls -la /tmp/
+bye
+EOF
+
+echo ""
+echo "=== 检查远程文件状态 ==="
+sshpass -p 'demo123' sftp -P 2024 -o StrictHostKeyChecking=no -o UserKnownHostsFile=/dev/null demo@127.0.0.1 <<EOF
+ls -la /tmp/sftp_upload_debug.bin
+stat /tmp/sftp_upload_debug.bin
+bye
+EOF
+
+echo ""
+echo "=== SSH server 日志分析 ==="
+echo "查找 SSH_FXP_OPEN 和 SSH_FXP_WRITE..."
+
+grep -E "SSH_FXP_OPEN|SSH_FXP_WRITE|SSH_FXP_HANDLE" /private/tmp/sftp_upload_debug.log | tail -30
+
+echo ""
+echo "=== 检查文件完整性 ==="
+if [ -f "/tmp/sftp_upload_debug.bin" ]; then
+    echo "远程文件存在，检查大小..."
+    sshpass -p 'demo123' sftp -P 2024 -o StrictHostKeyChecking=no -o UserKnownHostsFile=/dev/null demo@127.0.0.1 <<EOF
+ls -la /tmp/sftp_upload_debug.bin
+bye
+EOF
+    
+    # MD5 校验
+    echo ""
+    echo "源文件 MD5:"
+    md5 /tmp/sftp_debug_1kb.bin
+    
+    echo "下载文件并校验..."
+    sshpass -p 'demo123' sftp -P 2024 -o StrictHostKeyChecking=no -o UserKnownHostsFile=/dev/null demo@127.0.0.1 <<EOF
+get /tmp/sftp_upload_debug.bin /tmp/sftp_download_debug.bin
+bye
+EOF
+    
+    echo "下载文件 MD5:"
+    md5 /tmp/sftp_download_debug.bin
+    
+    echo ""
+    echo "文件大小对比:"
+    ls -lh /tmp/sftp_debug_1kb.bin /tmp/sftp_upload_debug.bin /tmp/sftp_download_debug.bin 2>&1 | tail -5
+else
+    echo "远程文件不存在 ❌"
+fi
+
+echo ""
+echo "=== 详细日志分析 ==="
+echo "查看完整的 SSH_FXP_OPEN 处理流程..."
+
+grep -B 5 -A 20 "SSH_FXP_OPEN.*debug" /private/tmp/sftp_upload_debug.log | head -100
+
+echo ""
+echo "=== 清理测试文件 ==="
+rm -f /tmp/sftp_debug_1kb.bin /tmp/sftp_upload_debug.bin /tmp/sftp_download_debug.bin
+
+echo ""
+echo "=== 测试完成 ==="
+echo "日志文件位置：/private/tmp/sftp_upload_debug.log"
+echo "请查看日志文件以诊断 SSH_FXP_WRITE 未出现的根本原因"