main:删除 Grafana 仪表板配置文件

更新内容：
- 移除 `dashboard.json` 文件，清理不再需要的 Grafana 仪表板配置。
- 简化项目目录结构，删除多余的监控配置以优化维护。

scripts/verify_loki.sh

@@ -0,0 +1,100 @@
+#!/bin/bash
+# Loki 集成验证脚本
+
+set -e
+
+echo "========================================="
+echo "Loki 日志收集系统验证"
+echo "========================================="
+echo ""
+
+# 颜色定义
+GREEN='\033[0;32m'
+RED='\033[0;31m'
+YELLOW='\033[1;33m'
+NC='\033[0m' # No Color
+
+# 检查服务状态
+echo "1. 检查服务状态..."
+echo "-------------------"
+docker-compose ps
+
+echo ""
+echo "2. 检查 Loki 健康状态..."
+echo "-------------------"
+if curl -s http://localhost:3100/ready | grep -q "ready"; then
+    echo -e "${GREEN}✓ Loki 服务正常${NC}"
+else
+    echo -e "${RED}✗ Loki 服务异常${NC}"
+    exit 1
+fi
+
+echo ""
+echo "3. 检查 Promtail 健康状态..."
+echo "-------------------"
+if curl -s http://localhost:9080/ready | grep -q "ready"; then
+    echo -e "${GREEN}✓ Promtail 服务正常${NC}"
+else
+    echo -e "${RED}✗ Promtail 服务异常${NC}"
+    exit 1
+fi
+
+echo ""
+echo "4. 生成测试日志..."
+echo "-------------------"
+curl -X POST http://localhost:8111/invoke \
+  -H "Content-Type: application/json" \
+  -d '{"algorithm": "PrimeChecker", "params": {"number": 17}}' \
+  -s -o /dev/null -w "HTTP Status: %{http_code}\n"
+
+echo ""
+echo "5. 等待日志收集 (5秒)..."
+sleep 5
+
+echo ""
+echo "6. 查询 Loki 日志..."
+echo "-------------------"
+LOGS=$(curl -G -s "http://localhost:3100/loki/api/v1/query_range" \
+  --data-urlencode 'query={job="functional-scaffold-app"}' \
+  --data-urlencode 'limit=5')
+
+if echo "$LOGS" | jq -e '.data.result | length > 0' > /dev/null 2>&1; then
+    echo -e "${GREEN}✓ 成功查询到日志${NC}"
+    echo ""
+    echo "最近的日志条目："
+    echo "$LOGS" | jq -r '.data.result[0].values[-1][1]' | head -3
+else
+    echo -e "${YELLOW}⚠ 暂时没有查询到日志，可能需要等待更长时间${NC}"
+fi
+
+echo ""
+echo "7. 检查 Grafana 数据源..."
+echo "-------------------"
+DATASOURCES=$(curl -s -u admin:admin http://localhost:3000/api/datasources)
+if echo "$DATASOURCES" | jq -e '.[] | select(.name == "Loki")' > /dev/null 2>&1; then
+    echo -e "${GREEN}✓ Loki 数据源已配置${NC}"
+else
+    echo -e "${RED}✗ Loki 数据源未配置${NC}"
+fi
+
+if echo "$DATASOURCES" | jq -e '.[] | select(.name == "Prometheus")' > /dev/null 2>&1; then
+    echo -e "${GREEN}✓ Prometheus 数据源已配置${NC}"
+else
+    echo -e "${RED}✗ Prometheus 数据源未配置${NC}"
+fi
+
+echo ""
+echo "========================================="
+echo "验证完成！"
+echo "========================================="
+echo ""
+echo "访问地址："
+echo "  - Grafana: http://localhost:3000 (admin/admin)"
+echo "  - Loki: http://localhost:3100"
+echo "  - Promtail: http://localhost:9080"
+echo ""
+echo "查看日志："
+echo "  1. 访问 Grafana Explore: http://localhost:3000/explore"
+echo "  2. 选择 Loki 数据源"
+echo "  3. 输入查询: {job=\"functional-scaffold-app\"}"
+echo ""