feat: 新增现场勘察派单全流程业务能力

1.  新增共享电工管理模块：包含实体、DTO、控制器、服务以及前后端API
2.  重构勘察工单实体与查询逻辑，完善工单全状态流程与字段
3.  新增勘察SOP模板与工单回执业务体系
4.  更新数据库字典与初始化脚本，补充业务数据
5.  新增勘察派单增删改查、指派、复核、催办等全流程接口
6.  修复用户服务角色关联SQL生成问题
7.  新增勘察派单前后端完整交互链路

server/src/service/worker.service.ts

@@ -0,0 +1,98 @@
+import { Provide } from "@midwayjs/core";
+import { InjectRepository } from "@midwayjs/sequelize";
+import { Repository } from "sequelize-typescript";
+import { Op } from "sequelize";
+import { Context } from "@midwayjs/koa";
+import Worker from "../entity/worker.entity";
+
+// 电工状态：1在岗 0离职
+const STATUS_ON_DUTY = 1;
+// 推荐位数量
+const RECOMMEND_LIMIT = 5;
+// 经验分基准场次（达到即满分）
+const EXP_BASE_COUNT = 50;
+
+@Provide()
+export class WorkerService {
+	@InjectRepository(Worker)
+	workerModel!: Repository<Worker>;
+
+	// 列表：姓名/手机号/资质模糊检索 + 状态过滤 + 分页
+	async list(query: any, ctx: Context): Promise<any> {
+		const page = Number(query.page) || 1;
+		const pageSize = Number(query.pageSize || query.limit) || 10;
+
+		const where: any = {};
+		if (query.keyword) {
+			where[Op.or] = [
+				{ workerName: { [Op.like]: `%${query.keyword}%` } },
+				{ phone: { [Op.like]: `%${query.keyword}%` } },
+				{ certInfo: { [Op.like]: `%${query.keyword}%` } }
+			];
+		}
+		if (query.status !== undefined && query.status !== "") where.status = Number(query.status);
+
+		const { count, rows } = await this.workerModel.findAndCountAll({
+			where,
+			limit: pageSize,
+			offset: (page - 1) * pageSize,
+			order: [["rating", "DESC"]],
+			distinct: true
+		});
+
+		return { code: 200, message: "获取共享电工列表成功", data: { list: rows.map((r) => r.toJSON()), total: count, page, pageSize } };
+	}
+
+	// 下拉选项：仅在岗电工
+	async options(ctx: Context): Promise<any> {
+		const rows = await this.workerModel.findAll({
+			where: { status: STATUS_ON_DUTY },
+			attributes: ["id", "workerName", "workerTitle", "rating", "certInfo", "certVerified", "completedCount"],
+			order: [["rating", "DESC"]]
+		});
+		return { code: 200, message: "获取共享电工选项成功", data: rows.map((r) => r.toJSON()) };
+	}
+
+	// 智能推荐：评分 50% + 资质 30% + 经验 20% 加权，取前 5 名
+	async recommend(query: any, ctx: Context): Promise<any> {
+		const rows = await this.workerModel.findAll({ where: { status: STATUS_ON_DUTY } });
+		if (rows.length === 0) return { code: 200, message: "获取推荐电工成功", data: [] };
+
+		const certKeyword: string = query.certKeyword || "";
+		const list = rows.map((row) => {
+			const certInfo: string = row.certInfo || "";
+			const rating = Number(row.rating) || 0;
+			const completedCount = Number(row.completedCount) || 0;
+
+			const scoreRating = rating / 5;
+			let scoreCert = row.certVerified ? (certInfo ? 1 : 0.7) : 0.4;
+			// 关键词命中持证资质时资质分置满
+			if (certKeyword && certInfo.includes(certKeyword)) scoreCert = 1;
+			const scoreExp = Math.min(completedCount / EXP_BASE_COUNT, 1);
+
+			const score = 0.5 * scoreRating + 0.3 * scoreCert + 0.2 * scoreExp;
+
+			return {
+				id: row.id,
+				workerName: row.workerName,
+				workerTitle: row.workerTitle,
+				rating,
+				certInfo,
+				certVerified: row.certVerified,
+				completedCount,
+				matchRate: Number((score * 100).toFixed(1)),
+				rank: 0,
+				isTop: false
+			};
+		});
+
+		list.sort((a, b) => b.matchRate - a.matchRate || b.rating - a.rating || b.completedCount - a.completedCount);
+
+		const data = list.slice(0, RECOMMEND_LIMIT).map((item, index) => {
+			const rank = index + 1;
+			return { ...item, rank, isTop: rank === 1 };
+		});
+
+		return { code: 200, message: "获取推荐电工成功", data };
+	}
+}