diff --git a/docs/ARCHITECTURE.md b/docs/ARCHITECTURE.md
index c3857d4..22c2f88 100644
--- a/docs/ARCHITECTURE.md
+++ b/docs/ARCHITECTURE.md
@@ -94,13 +94,13 @@ server/
 | `vehicles/` | `routes.ts` `repository.ts` `model.ts` `utils.ts` `types.ts` | ✅ 完整分层；SQL 有契约测试 |
 | `ele/` | `routes.ts` `repository.ts` `model.ts`（+ `model.test.ts` `routes.test.ts`） | ✅ 完整分层；改造前后 SQL/参数/响应体已做等价性验证 |
 | `feedback/` | `routes.ts` `repository.ts` `oss.ts`（+ `routes.test.ts`） | ✅ 完整分层；同上 |
-| `mileage/` | `index.ts`（聚合）+ `monitoring.ts` `targets.ts` `trend.ts` `daily-report.ts` `vehicle-recent.ts` + `*-model.ts` + `cache.ts` `oneos-api.ts` `daily-report-{service,store,scheduler}.ts` | 路由 / 模型 / 服务已分开，**SQL 仍在各路由文件内** |
+| `mileage/` | `index.ts`（聚合）+ `monitoring.ts` `targets.ts` `trend.ts` `daily-report.ts` `vehicle-recent.ts` + `repository.ts` + `*-model.ts` + `cache.ts` `oneos-api.ts` `daily-report-{service,store,scheduler}.ts` | ✅ 完整分层；车辆关联信息 SQL 与 18 个查询集中在此 |
 | `energy/` | `index.ts`（聚合）+ `electric.ts` `etc.ts` `hydrogen-station-board.ts` `hydrogen-bi-v2.ts` + `repository.ts` + `query-model.ts` `cache.ts` `constants.ts` | ✅ 完整分层；WHERE 片段组装（`buildFilterClauses` / `buildGroupSelect` / `buildScopedWhere` / `resolvedWhere`）与共享 SQL 片段也都在 repository / constants |
 | `scheduling/` | `index.ts`（聚合）+ `suggestions.ts` `notify.ts` `repository.ts` + `algorithm.ts` `notification-model.ts` | ✅ 完整分层；跨域数据源（里程车辆信息 / OneOS）显式注入 |
 | `hydrogen-heatmap/` | `routes.ts` `repository.ts` `model.ts`（+ `routes.test.ts`） | ✅ 完整分层；`buildWhere` 片段与参数顺序已锁定 |
 | `vehicle-heatmap/` | `routes.ts` `repository.ts` `model.ts`（+ `routes.test.ts`） | ✅ 完整分层；同时覆盖 MySQL（考核批次）与 PG（定位点）两个库 |
 
-已完整分层的七个域（`vehicles` / `ele` / `feedback` / `vehicle-heatmap` / `hydrogen-heatmap` / `scheduling` / `energy`）
+**全部八个域**（`vehicles` / `ele` / `feedback` / `vehicle-heatmap` / `hydrogen-heatmap` / `scheduling` / `energy` / `mileage`）
 由架构测试守护：必须存在 `repository.ts`，且该域**其他任何非测试文件都不得含 SQL**。
 其余域（`energy` / `mileage`）尚未拆出 repository——拆分时**不要改变 SQL 与参数顺序**，
 请按 `ele/routes.test.ts` 的配方先补契约测试，并用"改造前后同一批请求对比落库 SQL 与响应体"做等价性验证。
@@ -139,10 +139,9 @@ cors → read-only → /api/auth（公开） → authMiddleware → 各业务域
 
 诚实记录，避免后来者以为已经做完：
 
-- **后端仍有 1 个域没拆出 repository**：`mileage` 的 SQL 仍分散在 `cache.ts` /
-  `daily-report-store.ts` / `targets.ts` / `monitoring.ts` / `trend.ts` / `vehicle-recent.ts` 等文件里。
-  已完成的有 7 个域，可作为模板：路由只做校验与组装，SQL 进 `repository.ts`，
-  纯逻辑进 `model.ts`，并用 mock pool 的契约测试锁定 SQL 与参数。
+- **后端八个域都已拆出 repository**，SQL 只允许出现在各域的 `repository.ts`（以及共享片段模块
+  `energy/constants.ts`）中，由架构测试守护。新增查询请沿用同一形状：路由只做校验与组装，
+  SQL 进 `repository.ts`，纯逻辑进 `model.ts`，并用 mock pool 的契约测试锁定 SQL 与参数。
   守卫用的是"语句形状"正则（如 `update <table> set`）而不是裸关键字，避免把
   `UpdateNotification` 或日志里的 "update error" 误判为 SQL；小写 SQL 同样能被抓到。
 - **运行时建表已集中到 `server/db/schema/`**，并在 `DB_READ_ONLY=1` 时整体跳过（由架构测试守护，
diff --git a/src/architecture.test.ts b/src/architecture.test.ts
index ae540eb..6715ee0 100644
--- a/src/architecture.test.ts
+++ b/src/architecture.test.ts
@@ -180,6 +180,7 @@ test("已完整分层的域：repository.ts 存在，且 SQL 只允许出现在
     "server/routes/hydrogen-heatmap",
     "server/routes/scheduling",
     "server/routes/energy",
+    "server/routes/mileage",
   ];
   // 用"语句形状"而不是裸关键字：UpdateNotification 或 "update error" 这类标识符/日志
   // 不应误判，而小写 SQL 也依然能被抓到。
diff --git a/src/server/routes/mileage/cache.ts b/src/server/routes/mileage/cache.ts
index 6f2e054..a54f227 100644
--- a/src/server/routes/mileage/cache.ts
+++ b/src/server/routes/mileage/cache.ts
@@ -1,3 +1,4 @@
+import { loadMonitoringTargetRows } from './repository.js';
 import { readFileSync } from 'node:fs';
 import { fileURLToPath } from 'node:url';
 import { dirname, join } from 'node:path';
@@ -51,12 +52,7 @@ export interface RangeMileageResult {
 }
 
 async function fetchTargetRows(): Promise<TargetRow[]> {
-  return pool.execute(
-    `SELECT t.id, t.target_name, v.plate_number
-     FROM lingniu_prod.tab_mileage_assessment_target t
-     JOIN lingniu_prod.tab_mileage_assessment_vehicle v ON v.target_id = t.id AND v.is_deleted = 0
-     WHERE t.is_deleted = 0`
-  ).then(([rows]) => rows as TargetRow[]);
+  return loadMonitoringTargetRows(pool).then(([rows]) => rows as TargetRow[]);
 }
 
 export async function refreshMonitoringCache(): Promise<void> {
diff --git a/src/server/routes/mileage/daily-report-service.ts b/src/server/routes/mileage/daily-report-service.ts
index 70a485b..05d7ef4 100644
--- a/src/server/routes/mileage/daily-report-service.ts
+++ b/src/server/routes/mileage/daily-report-service.ts
@@ -1,3 +1,4 @@
+import { loadReportAssessmentRows } from './repository.js';
 import type { RowDataPacket } from 'mysql2';
 import pool from '../../db/mysql.js';
 import type {
@@ -123,30 +124,7 @@ function shanghaiIsoNow(): string {
 }
 
 async function fetchAssessmentRows(): Promise<AssessmentRow[]> {
-  const [rows] = await pool.query<AssessmentRow[]>(`
-    SELECT
-      t.id AS target_id,
-      t.target_name,
-      t.annual_mileage_per_vehicle,
-      v.id AS assessment_vehicle_id,
-      v.plate_number,
-      DATE_FORMAT(v.assessment_start_date, '%Y-%m-%d') AS assessment_start_date,
-      DATE_FORMAT(v.assessment_end_date, '%Y-%m-%d') AS assessment_end_date,
-      v.total_mileage_task,
-      v.current_mileage,
-      v.completion_rate,
-      v.current_year_mileage_task,
-      v.current_year_mileage,
-      v.current_year_completion_rate,
-      v.current_year_is_qualified,
-      v.daily_required_mileage,
-      DATE_FORMAT(v.current_year_assessment_end_date, '%Y-%m-%d') AS current_year_assessment_end_date
-    FROM lingniu_prod.tab_mileage_assessment_target t
-    JOIN lingniu_prod.tab_mileage_assessment_vehicle v
-      ON v.target_id = t.id AND v.is_deleted = 0
-    WHERE t.is_deleted = 0
-    ORDER BY t.id, v.plate_number
-  `);
+  const rows = await loadReportAssessmentRows(pool) as unknown as AssessmentRow[];
   return rows;
 }
 
diff --git a/src/server/routes/mileage/daily-report-store.ts b/src/server/routes/mileage/daily-report-store.ts
index a06b62b..b0990d8 100644
--- a/src/server/routes/mileage/daily-report-store.ts
+++ b/src/server/routes/mileage/daily-report-store.ts
@@ -1,3 +1,10 @@
+import {
+  dailyReportSnapshotExists,
+  insertDailyReportSnapshot,
+  listDailyReportHistoryRows,
+  loadDailyReportPayload,
+  updateDailyReportPayload,
+} from './repository.js';
 import type { ResultSetHeader, RowDataPacket } from 'mysql2';
 import pool from '../../db/mysql.js';
 import { ensureDailyReportTable, DAILY_REPORT_TABLE as TABLE } from '../../db/schema/mileage-report.js';
@@ -21,19 +28,13 @@ function parsePayload(value: unknown): DailyMileageReport | null {
 
 export async function getDailyReportSnapshot(reportDate: string): Promise<DailyMileageReport | null> {
   await ensureDailyReportTable();
-  const [rows] = await pool.query<RowDataPacket[]>(
-    `SELECT report_payload FROM ${TABLE} WHERE report_date = ? LIMIT 1`,
-    [reportDate],
-  );
+  const rows = await loadDailyReportPayload(pool, { reportDate });
   return parsePayload(rows[0]?.report_payload);
 }
 
 export async function hasDailyReportSnapshot(reportDate: string): Promise<boolean> {
   await ensureDailyReportTable();
-  const [rows] = await pool.query<RowDataPacket[]>(
-    `SELECT 1 AS found FROM ${TABLE} WHERE report_date = ? LIMIT 1`,
-    [reportDate],
-  );
+  const rows = await dailyReportSnapshotExists(pool, { reportDate });
   return rows.length > 0;
 }
 
@@ -57,41 +58,20 @@ export async function saveDailyReportSnapshot(
     archived.generatedAt.replace('T', ' ').replace(/Z$/, '').slice(0, 19),
   ];
 
-  const insert = options.replace ? 'REPLACE' : 'INSERT IGNORE';
-  const [result] = await pool.query<ResultSetHeader>(
-    `${insert} INTO ${TABLE}
-      (report_date, status, source, vehicle_count, operating_count, inventory_count,
-       daily_mileage, day_over_day_rate, report_payload, generated_at)
-     VALUES (?, ?, ?, ?, ?, ?, ?, ?, CAST(? AS JSON), ?)`,
-    values,
-  );
-  return result.affectedRows > 0;
+  const affected = await insertDailyReportSnapshot(pool, { replace: Boolean(options.replace), values });
+  return affected > 0;
 }
 
 export async function updateDailyReportSnapshotPayload(report: DailyMileageReport): Promise<boolean> {
   await ensureDailyReportTable();
-  const [result] = await pool.query<ResultSetHeader>(
-    `UPDATE ${TABLE}
-        SET report_payload = CAST(? AS JSON)
-      WHERE report_date = ?`,
-    [JSON.stringify(report), report.reportDate],
-  );
-  return result.affectedRows > 0;
+  const affected = await updateDailyReportPayload(pool, { report: JSON.stringify(report), reportDate: report.reportDate });
+  return affected > 0;
 }
 
 export async function listDailyReportHistory(limit = 90): Promise<MileageReportHistoryResponse> {
   await ensureDailyReportTable();
   const safeLimit = Math.min(366, Math.max(1, limit));
-  const [rows] = await pool.query<RowDataPacket[]>(
-    `SELECT DATE_FORMAT(report_date, '%Y-%m-%d') AS report_date,
-            status, source, vehicle_count, operating_count, inventory_count,
-            daily_mileage, day_over_day_rate,
-            DATE_FORMAT(generated_at, '%Y-%m-%dT%H:%i:%s+08:00') AS generated_at
-       FROM ${TABLE}
-      ORDER BY report_date DESC
-      LIMIT ?`,
-    [safeLimit],
-  );
+  const rows = await listDailyReportHistoryRows(pool, { safeLimit });
   const items: MileageReportHistoryItem[] = rows.map(row => ({
     reportDate: row.report_date,
     status: row.status,
diff --git a/src/server/routes/mileage/repository.ts b/src/server/routes/mileage/repository.ts
new file mode 100644
index 0000000..484a4db
--- /dev/null
+++ b/src/server/routes/mileage/repository.ts
@@ -0,0 +1,322 @@
+import type { RowDataPacket } from 'mysql2';
+import { DAILY_REPORT_TABLE as TABLE } from '../../db/schema/mileage-report.js';
+
+/**
+ * 里程域的数据访问。
+ * SQL 集中在此；缓存/口径计算仍在 cache.ts、daily-report-* 等模块里。
+ */
+
+/** 只需要 query 能力的连接。 */
+export interface Database {
+  query<T = any>(sql: string, values?: any[]): Promise<[T, ...any[]]>;
+}
+
+// ---------------------------------------------------------------------------
+// 里程域
+// ---------------------------------------------------------------------------
+
+/** 车辆关联信息（客户 / 部门 / 经理 / 租赁状态 / 主体 / 项目 / 品牌）。 */
+export const VEHICLE_INFO_SQL = `SELECT
+    vi.plate_number AS plate,
+    vi.vin AS vin,
+    COALESCE(c.customer_name, vor.customer_name, ci.customer_name) AS customer,
+    COALESCE(c.business_department_name, vor.business_dept) AS department,
+    COALESCE(c.business_manager_name, vor.business_manager) AS manager,
+    CAST(COALESCE(c.business_manager_id, vi.business_id) AS CHAR) AS manager_id,
+    CASE vs.operation_status
+      WHEN '1' THEN '租赁'
+      WHEN '2' THEN '自营'
+      WHEN '3' THEN '可运营'
+      WHEN '4' THEN '待运营'
+      WHEN '5' THEN '退出运营'
+      ELSE vs.operation_status
+    END AS rent_status,
+    NULLIF(vi.registered_ownership, '') AS entity,
+    COALESCE(c.project_name, vor.project_name) AS project,
+    COALESCE(vi_operation_city.NAME, NULLIF(vi.operation_city, '')) AS inventory_location,
+    CASE vm.brand
+      WHEN 'hyundai' THEN CASE WHEN vm.model LIKE '%帕力安%' OR vm.model LIKE '%冷链%' OR vm.model LIKE '%双飞翼%' THEN '帕力安牌' ELSE '现代' END
+      WHEN 'yuejin' THEN '跃进'
+      WHEN 'feichi' THEN '飞驰'
+      WHEN 'sulong' THEN '苏龙'
+      WHEN 'higer' THEN '海格'
+      WHEN 'dongfeng' THEN '东风'
+      WHEN 'yutong' THEN '宇通'
+      WHEN 'chufeng' THEN '楚风'
+      WHEN 'tonghua' THEN '通华'
+      WHEN 'maxus' THEN '大通'
+      WHEN 'mingwei' THEN '明威'
+      WHEN 'wanfeng' THEN '万风'
+      WHEN 'shujie' THEN '舒捷'
+      WHEN 'denza' THEN '腾势'
+      WHEN 'hongyan' THEN '红岩'
+      WHEN 'yuanchang brand' THEN '远程牌'
+      WHEN 'others' THEN '其他'
+      ELSE vm.brand
+    END AS brand_label
+FROM vehicle_info vi
+LEFT JOIN vehicle_status vs
+       ON vs.vehicle_id = vi.id
+      AND vs.del_flag = 0
+LEFT JOIN vehicle_model vm
+       ON vm.id = vi.vehicle_model_id
+      AND vm.del_flag = '0'
+LEFT JOIN common_district vi_operation_city
+       ON vi_operation_city.CODE = vi.operation_city COLLATE utf8mb4_unicode_ci
+      AND vi_operation_city.STATUS = 'VALID'
+LEFT JOIN vehicle_lease_order_record vor
+       ON vor.vehicle_id = vi.id
+      AND vor.del_flag = '0'
+      AND vor.id = (
+        SELECT MAX(vor2.id)
+        FROM vehicle_lease_order_record vor2
+        WHERE vor2.vehicle_id = vi.id
+          AND vor2.del_flag = '0'
+      )
+LEFT JOIN vehicle_lease_contract_info c
+       ON c.order_id = vor.contract_id
+      AND c.del_flag = '0'
+LEFT JOIN customer_info ci
+       ON ci.id = vi.customer_id
+      AND ci.del_flag = '0'
+WHERE vi.del_flag = '0'
+  AND COALESCE(vs.operation_status, '') <> '5'`;
+
+
+/** 按车牌批量查询车辆关联信息。 */
+export async function loadVehicleInfoByPlates(db: Database, args: { plates: string[] }): Promise<RowDataPacket[]> {
+  const { plates } = args;
+  const [rows] = await db.query<RowDataPacket[]>(`${VEHICLE_INFO_SQL} AND vi.plate_number IN (${plates.map(() => '?').join(',')})`, plates);
+  return rows;
+}
+
+
+/** 考核目标下的车牌。 */
+export async function loadTargetVehiclePlates(db: Database, args: { targetId: string }): Promise<RowDataPacket[]> {
+  const { targetId } = args;
+  const [rows] = await db.query<RowDataPacket[]>(`SELECT plate_number FROM lingniu_prod.tab_mileage_assessment_vehicle WHERE target_id = ? AND is_deleted = 0`, [targetId]);
+  return rows;
+}
+
+
+/** 监控缓存的考核目标 × 车牌（全量）。 */
+export async function loadMonitoringTargetRows(db: Database): Promise<RowDataPacket[]> {
+  const [rows] = await db.query<RowDataPacket[]>(`SELECT t.id, t.target_name, v.plate_number
+     FROM lingniu_prod.tab_mileage_assessment_target t
+     JOIN lingniu_prod.tab_mileage_assessment_vehicle v ON v.target_id = t.id AND v.is_deleted = 0
+     WHERE t.is_deleted = 0`, []);
+  return rows;
+}
+
+
+/** 考核目标列表。 */
+export async function loadAssessmentTargetRows(db: Database): Promise<RowDataPacket[]> {
+  const [rows] = await db.query<RowDataPacket[]>(`SELECT * FROM lingniu_prod.tab_mileage_assessment_target WHERE is_deleted = 0 ORDER BY id`, []);
+  return rows;
+}
+
+
+/** 各目标的车辆统计。 */
+export async function loadAssessmentVehicleStats(db: Database): Promise<RowDataPacket[]> {
+  const [rows] = await db.query<RowDataPacket[]>(`SELECT
+        target_id, COUNT(*) as total,
+        SUM(today_mileage) as today_total,
+        SUM(current_mileage) as cumulative_total,
+        AVG(current_year_completion_rate) as avg_completion,
+        SUM(CASE WHEN is_qualified = 1 THEN 1 ELSE 0 END) as qualified_count,
+        SUM(CASE WHEN current_year_is_qualified = 1 THEN 1 ELSE 0 END) as year_qualified_count,
+        SUM(CASE WHEN current_year_completion_rate >= 0.5 THEN 1 ELSE 0 END) as half_qualified_count,
+        SUM(current_year_mileage_task) as current_year_target,
+        SUM(current_year_mileage) as current_year_completed,
+        MAX(current_year_assessment_end_date) as year_end_date
+      FROM lingniu_prod.tab_mileage_assessment_vehicle WHERE is_deleted = 0
+      GROUP BY target_id`, []);
+  return rows;
+}
+
+
+/** 首年目标统计。 */
+export async function loadAssessmentFirstYearStats(db: Database): Promise<RowDataPacket[]> {
+  const [rows] = await db.query<RowDataPacket[]>(`SELECT
+        v.target_id,
+        COUNT(*) as first_year_total,
+        SUM(t.annual_mileage_per_vehicle) as first_year_target,
+        SUM(LEAST(v.current_mileage, t.annual_mileage_per_vehicle)) as first_year_completed,
+        SUM(GREATEST(t.annual_mileage_per_vehicle - v.current_mileage, 0)) as first_year_remaining,
+        SUM(LEAST(v.current_mileage, t.annual_mileage_per_vehicle)) / NULLIF(SUM(t.annual_mileage_per_vehicle), 0) as first_year_completion_rate,
+        SUM(CASE WHEN v.current_mileage >= t.annual_mileage_per_vehicle THEN 1 ELSE 0 END) as first_year_qualified_count,
+        SUM(CASE WHEN v.current_mileage >= t.annual_mileage_per_vehicle * 0.5 THEN 1 ELSE 0 END) as first_year_half_qualified_count,
+        DATE_FORMAT(MIN(v.assessment_start_date), '%Y-%m-%d') as first_year_start_date,
+        DATE_FORMAT(MAX(DATE_SUB(DATE_ADD(v.assessment_start_date, INTERVAL 1 YEAR), INTERVAL 1 DAY)), '%Y-%m-%d') as first_year_end_date
+      FROM lingniu_prod.tab_mileage_assessment_vehicle v
+      JOIN lingniu_prod.tab_mileage_assessment_target t ON t.id = v.target_id AND t.is_deleted = 0
+      WHERE v.is_deleted = 0
+      GROUP BY v.target_id`, []);
+  return rows;
+}
+
+
+/** 年度考核统计。 */
+export async function loadAssessmentYearlyStats(db: Database): Promise<RowDataPacket[]> {
+  const [rows] = await db.query<RowDataPacket[]>(`SELECT
+        v.target_id,
+        y.year_number,
+        COUNT(*) as vehicle_count,
+        SUM(t.annual_mileage_per_vehicle * y.year_number) as target_mileage,
+        SUM(LEAST(v.current_mileage, t.annual_mileage_per_vehicle * y.year_number)) as completed_mileage,
+        SUM(GREATEST(t.annual_mileage_per_vehicle * y.year_number - v.current_mileage, 0)) as remaining_mileage,
+        SUM(LEAST(v.current_mileage, t.annual_mileage_per_vehicle * y.year_number))
+          / NULLIF(SUM(t.annual_mileage_per_vehicle * y.year_number), 0) as completion_rate,
+        SUM(CASE WHEN v.current_mileage >= t.annual_mileage_per_vehicle * y.year_number THEN 1 ELSE 0 END) as qualified_count,
+        SUM(CASE WHEN v.current_mileage >= t.annual_mileage_per_vehicle * y.year_number * 0.5 THEN 1 ELSE 0 END) as half_qualified_count,
+        DATE_FORMAT(MIN(DATE_ADD(v.assessment_start_date, INTERVAL y.year_number - 1 YEAR)), '%Y-%m-%d') as start_date,
+        DATE_FORMAT(MAX(DATE_SUB(DATE_ADD(v.assessment_start_date, INTERVAL y.year_number YEAR), INTERVAL 1 DAY)), '%Y-%m-%d') as end_date
+      FROM lingniu_prod.tab_mileage_assessment_vehicle v
+      JOIN lingniu_prod.tab_mileage_assessment_target t ON t.id = v.target_id AND t.is_deleted = 0
+      JOIN (
+        SELECT 1 as year_number UNION ALL SELECT 2 UNION ALL SELECT 3 UNION ALL SELECT 4 UNION ALL SELECT 5
+      ) y ON y.year_number <= LEAST(t.assessment_years, v.current_year_number)
+      WHERE v.is_deleted = 0
+      GROUP BY v.target_id, y.year_number
+      ORDER BY v.target_id, y.year_number`, []);
+  return rows;
+}
+
+
+/** 年度分期统计。 */
+export async function loadAssessmentYearlyPeriodStats(db: Database): Promise<RowDataPacket[]> {
+  const [rows] = await db.query<RowDataPacket[]>(`SELECT
+        v.target_id,
+        y.year_number,
+        DATE_FORMAT(DATE_ADD(v.assessment_start_date, INTERVAL y.year_number - 1 YEAR), '%Y-%m-%d') as start_date,
+        DATE_FORMAT(DATE_SUB(DATE_ADD(v.assessment_start_date, INTERVAL y.year_number YEAR), INTERVAL 1 DAY), '%Y-%m-%d') as end_date,
+        COUNT(*) as cnt
+      FROM lingniu_prod.tab_mileage_assessment_vehicle v
+      JOIN lingniu_prod.tab_mileage_assessment_target t ON t.id = v.target_id AND t.is_deleted = 0
+      JOIN (
+        SELECT 1 as year_number UNION ALL SELECT 2 UNION ALL SELECT 3 UNION ALL SELECT 4 UNION ALL SELECT 5
+      ) y ON y.year_number <= LEAST(t.assessment_years, v.current_year_number)
+      WHERE v.is_deleted = 0
+      GROUP BY v.target_id, y.year_number, v.assessment_start_date
+      ORDER BY v.target_id, y.year_number, v.assessment_start_date`, []);
+  return rows;
+}
+
+
+/** 分期统计。 */
+export async function loadAssessmentPeriodStats(db: Database): Promise<RowDataPacket[]> {
+  const [rows] = await db.query<RowDataPacket[]>(`SELECT target_id,
+             DATE_FORMAT(assessment_start_date, '%Y-%m-%d') as start_date,
+             DATE_FORMAT(assessment_end_date, '%Y-%m-%d') as end_date,
+             COUNT(*) as cnt
+      FROM lingniu_prod.tab_mileage_assessment_vehicle WHERE is_deleted = 0
+      GROUP BY target_id, assessment_start_date, assessment_end_date
+      ORDER BY target_id, assessment_start_date`, []);
+  return rows;
+}
+
+
+/** 考核车辆明细（全量）。 */
+export async function loadTargetVehicleRows(db: Database): Promise<RowDataPacket[]> {
+  const [rows] = await db.query<RowDataPacket[]>(`SELECT target_id, plate_number FROM lingniu_prod.tab_mileage_assessment_vehicle WHERE is_deleted = 0`, []);
+  return rows;
+}
+
+
+/** 单目标年度考核车辆。 */
+export async function loadYearlyAssessments(db: Database, args: { targetId: string }): Promise<RowDataPacket[]> {
+  const { targetId } = args;
+  const [rows] = await db.query<RowDataPacket[]>(`SELECT plate_number, today_mileage, vehicle_total_mileage,
+              completion_rate, is_qualified, current_year_is_qualified,
+              daily_required_mileage
+       FROM lingniu_prod.tab_mileage_assessment_vehicle
+       WHERE target_id = ? AND is_deleted = 0
+       ORDER BY today_mileage DESC`, [targetId]);
+  return rows;
+}
+
+
+/** 读取日报归档负载。 */
+export async function loadDailyReportPayload(db: Database, args: { reportDate: string }): Promise<RowDataPacket[]> {
+  const { reportDate } = args;
+  const [rows] = await db.query<RowDataPacket[]>(`SELECT report_payload FROM ${TABLE} WHERE report_date = ? LIMIT 1`, [reportDate]);
+  return rows;
+}
+
+
+/** 日报是否已归档。 */
+export async function dailyReportSnapshotExists(db: Database, args: { reportDate: string }): Promise<RowDataPacket[]> {
+  const { reportDate } = args;
+  const [rows] = await db.query<RowDataPacket[]>(`SELECT 1 AS found FROM ${TABLE} WHERE report_date = ? LIMIT 1`, [reportDate]);
+  return rows;
+}
+
+
+/** 写入日报归档（REPLACE 或 INSERT IGNORE）。 */
+export async function insertDailyReportSnapshot(db: Database, args: { replace: boolean; values: unknown[] }): Promise<number> {
+  const { replace, values } = args;
+  const [rows] = await db.query<any>(`${replace ? "REPLACE" : "INSERT IGNORE"} INTO ${TABLE}
+      (report_date, status, source, vehicle_count, operating_count, inventory_count,
+       daily_mileage, day_over_day_rate, report_payload, generated_at)
+     VALUES (?, ?, ?, ?, ?, ?, ?, ?, CAST(? AS JSON), ?)`, values);
+  return rows;
+}
+
+
+/** 更新日报负载。 */
+export async function updateDailyReportPayload(db: Database, args: { report: unknown; reportDate: string }): Promise<number> {
+  const { report, reportDate } = args;
+  const [rows] = await db.query<any>(`UPDATE ${TABLE}
+        SET report_payload = CAST(? AS JSON)
+      WHERE report_date = ?`, [JSON.stringify(report), reportDate]);
+  return rows;
+}
+
+
+/** 日报归档历史。 */
+export async function listDailyReportHistoryRows(db: Database, args: { safeLimit: number }): Promise<RowDataPacket[]> {
+  const { safeLimit } = args;
+  const [rows] = await db.query<RowDataPacket[]>(`SELECT DATE_FORMAT(report_date, '%Y-%m-%d') AS report_date,
+            status, source, vehicle_count, operating_count, inventory_count,
+            daily_mileage, day_over_day_rate,
+            DATE_FORMAT(generated_at, '%Y-%m-%dT%H:%i:%s+08:00') AS generated_at
+       FROM ${TABLE}
+      ORDER BY report_date DESC
+      LIMIT ?`, [safeLimit]);
+  return rows;
+}
+
+
+/** 日报所需的考核车辆行。 */
+export async function loadReportAssessmentRows(db: Database): Promise<RowDataPacket[]> {
+  const [rows] = await db.query<RowDataPacket[]>(`SELECT
+      t.id AS target_id,
+      t.target_name,
+      t.annual_mileage_per_vehicle,
+      v.id AS assessment_vehicle_id,
+      v.plate_number,
+      DATE_FORMAT(v.assessment_start_date, '%Y-%m-%d') AS assessment_start_date,
+      DATE_FORMAT(v.assessment_end_date, '%Y-%m-%d') AS assessment_end_date,
+      v.total_mileage_task,
+      v.current_mileage,
+      v.completion_rate,
+      v.current_year_mileage_task,
+      v.current_year_mileage,
+      v.current_year_completion_rate,
+      v.current_year_is_qualified,
+      v.daily_required_mileage,
+      DATE_FORMAT(v.current_year_assessment_end_date, '%Y-%m-%d') AS current_year_assessment_end_date
+    FROM lingniu_prod.tab_mileage_assessment_target t
+    JOIN lingniu_prod.tab_mileage_assessment_vehicle v
+      ON v.target_id = t.id AND v.is_deleted = 0
+    WHERE t.is_deleted = 0
+    ORDER BY t.id, v.plate_number`, []);
+  return rows;
+}
+
+
+/** 全量车辆关联信息。 */
+export async function loadVehicleInfoMapRows(db: Database): Promise<RowDataPacket[]> {
+  const [rows] = await db.query<RowDataPacket[]>(VEHICLE_INFO_SQL);
+  return rows;
+}
diff --git a/src/server/routes/mileage/targets.ts b/src/server/routes/mileage/targets.ts
index a1aadb1..5c8f223 100644
--- a/src/server/routes/mileage/targets.ts
+++ b/src/server/routes/mileage/targets.ts
@@ -1,3 +1,13 @@
+import {
+  loadAssessmentFirstYearStats,
+  loadAssessmentPeriodStats,
+  loadAssessmentTargetRows,
+  loadAssessmentVehicleStats,
+  loadAssessmentYearlyPeriodStats,
+  loadAssessmentYearlyStats,
+  loadTargetVehicleRows,
+  loadYearlyAssessments,
+} from './repository.js';
 import { Hono } from 'hono';
 import pool from '../../db/mysql.js';
 import { getCache } from './cache.js';
@@ -9,73 +19,19 @@ const app = new Hono();
 
 app.get('/', async (c) => {
   try {
-    const [targets] = await pool.execute(
-      'SELECT * FROM lingniu_prod.tab_mileage_assessment_target WHERE is_deleted = 0 ORDER BY id'
-    ) as [any[], unknown];
+    const targets = await loadAssessmentTargetRows(pool);
 
-    const [vehicleStats] = await pool.execute(`
-      SELECT
-        target_id, COUNT(*) as total,
-        SUM(today_mileage) as today_total,
-        SUM(current_mileage) as cumulative_total,
-        AVG(current_year_completion_rate) as avg_completion,
-        SUM(CASE WHEN is_qualified = 1 THEN 1 ELSE 0 END) as qualified_count,
-        SUM(CASE WHEN current_year_is_qualified = 1 THEN 1 ELSE 0 END) as year_qualified_count,
-        SUM(CASE WHEN current_year_completion_rate >= 0.5 THEN 1 ELSE 0 END) as half_qualified_count,
-        SUM(current_year_mileage_task) as current_year_target,
-        SUM(current_year_mileage) as current_year_completed,
-        MAX(current_year_assessment_end_date) as year_end_date
-      FROM lingniu_prod.tab_mileage_assessment_vehicle WHERE is_deleted = 0
-      GROUP BY target_id
-    `) as [any[], unknown];
+    const vehicleStats = await loadAssessmentVehicleStats(pool);
 
     const statsMap = new Map<number, any>();
     for (const s of vehicleStats) statsMap.set(s.target_id, s);
 
-    const [firstYearRows] = await pool.execute(`
-      SELECT
-        v.target_id,
-        COUNT(*) as first_year_total,
-        SUM(t.annual_mileage_per_vehicle) as first_year_target,
-        SUM(LEAST(v.current_mileage, t.annual_mileage_per_vehicle)) as first_year_completed,
-        SUM(GREATEST(t.annual_mileage_per_vehicle - v.current_mileage, 0)) as first_year_remaining,
-        SUM(LEAST(v.current_mileage, t.annual_mileage_per_vehicle)) / NULLIF(SUM(t.annual_mileage_per_vehicle), 0) as first_year_completion_rate,
-        SUM(CASE WHEN v.current_mileage >= t.annual_mileage_per_vehicle THEN 1 ELSE 0 END) as first_year_qualified_count,
-        SUM(CASE WHEN v.current_mileage >= t.annual_mileage_per_vehicle * 0.5 THEN 1 ELSE 0 END) as first_year_half_qualified_count,
-        DATE_FORMAT(MIN(v.assessment_start_date), '%Y-%m-%d') as first_year_start_date,
-        DATE_FORMAT(MAX(DATE_SUB(DATE_ADD(v.assessment_start_date, INTERVAL 1 YEAR), INTERVAL 1 DAY)), '%Y-%m-%d') as first_year_end_date
-      FROM lingniu_prod.tab_mileage_assessment_vehicle v
-      JOIN lingniu_prod.tab_mileage_assessment_target t ON t.id = v.target_id AND t.is_deleted = 0
-      WHERE v.is_deleted = 0
-      GROUP BY v.target_id
-    `) as [any[], unknown];
+    const firstYearRows = await loadAssessmentFirstYearStats(pool);
 
     const firstYearMap = new Map<number, any>();
     for (const s of firstYearRows) firstYearMap.set(s.target_id, s);
 
-    const [yearlyRows] = await pool.execute(`
-      SELECT
-        v.target_id,
-        y.year_number,
-        COUNT(*) as vehicle_count,
-        SUM(t.annual_mileage_per_vehicle * y.year_number) as target_mileage,
-        SUM(LEAST(v.current_mileage, t.annual_mileage_per_vehicle * y.year_number)) as completed_mileage,
-        SUM(GREATEST(t.annual_mileage_per_vehicle * y.year_number - v.current_mileage, 0)) as remaining_mileage,
-        SUM(LEAST(v.current_mileage, t.annual_mileage_per_vehicle * y.year_number))
-          / NULLIF(SUM(t.annual_mileage_per_vehicle * y.year_number), 0) as completion_rate,
-        SUM(CASE WHEN v.current_mileage >= t.annual_mileage_per_vehicle * y.year_number THEN 1 ELSE 0 END) as qualified_count,
-        SUM(CASE WHEN v.current_mileage >= t.annual_mileage_per_vehicle * y.year_number * 0.5 THEN 1 ELSE 0 END) as half_qualified_count,
-        DATE_FORMAT(MIN(DATE_ADD(v.assessment_start_date, INTERVAL y.year_number - 1 YEAR)), '%Y-%m-%d') as start_date,
-        DATE_FORMAT(MAX(DATE_SUB(DATE_ADD(v.assessment_start_date, INTERVAL y.year_number YEAR), INTERVAL 1 DAY)), '%Y-%m-%d') as end_date
-      FROM lingniu_prod.tab_mileage_assessment_vehicle v
-      JOIN lingniu_prod.tab_mileage_assessment_target t ON t.id = v.target_id AND t.is_deleted = 0
-      JOIN (
-        SELECT 1 as year_number UNION ALL SELECT 2 UNION ALL SELECT 3 UNION ALL SELECT 4 UNION ALL SELECT 5
-      ) y ON y.year_number <= LEAST(t.assessment_years, v.current_year_number)
-      WHERE v.is_deleted = 0
-      GROUP BY v.target_id, y.year_number
-      ORDER BY v.target_id, y.year_number
-    `) as [any[], unknown];
+    const yearlyRows = await loadAssessmentYearlyStats(pool);
 
     const yearlyMap = new Map<number, any[]>();
     for (const row of yearlyRows) {
@@ -84,22 +40,7 @@ app.get('/', async (c) => {
       yearlyMap.set(row.target_id, list);
     }
 
-    const [yearlyPeriodRows] = await pool.execute(`
-      SELECT
-        v.target_id,
-        y.year_number,
-        DATE_FORMAT(DATE_ADD(v.assessment_start_date, INTERVAL y.year_number - 1 YEAR), '%Y-%m-%d') as start_date,
-        DATE_FORMAT(DATE_SUB(DATE_ADD(v.assessment_start_date, INTERVAL y.year_number YEAR), INTERVAL 1 DAY), '%Y-%m-%d') as end_date,
-        COUNT(*) as cnt
-      FROM lingniu_prod.tab_mileage_assessment_vehicle v
-      JOIN lingniu_prod.tab_mileage_assessment_target t ON t.id = v.target_id AND t.is_deleted = 0
-      JOIN (
-        SELECT 1 as year_number UNION ALL SELECT 2 UNION ALL SELECT 3 UNION ALL SELECT 4 UNION ALL SELECT 5
-      ) y ON y.year_number <= LEAST(t.assessment_years, v.current_year_number)
-      WHERE v.is_deleted = 0
-      GROUP BY v.target_id, y.year_number, v.assessment_start_date
-      ORDER BY v.target_id, y.year_number, v.assessment_start_date
-    `) as [any[], unknown];
+    const yearlyPeriodRows = await loadAssessmentYearlyPeriodStats(pool);
 
     const yearlyPeriodsMap = new Map<string, string[]>();
     for (const row of yearlyPeriodRows) {
@@ -109,15 +50,7 @@ app.get('/', async (c) => {
       yearlyPeriodsMap.set(key, list);
     }
 
-    const [periodRows] = await pool.execute(`
-      SELECT target_id,
-             DATE_FORMAT(assessment_start_date, '%Y-%m-%d') as start_date,
-             DATE_FORMAT(assessment_end_date, '%Y-%m-%d') as end_date,
-             COUNT(*) as cnt
-      FROM lingniu_prod.tab_mileage_assessment_vehicle WHERE is_deleted = 0
-      GROUP BY target_id, assessment_start_date, assessment_end_date
-      ORDER BY target_id, assessment_start_date
-    `) as [any[], unknown];
+    const periodRows = await loadAssessmentPeriodStats(pool);
 
     const periodsMap = new Map<number, string[]>();
     for (const p of periodRows) {
@@ -134,9 +67,7 @@ app.get('/', async (c) => {
       }
     }
 
-    const [targetVehicleRows] = await pool.execute(
-      'SELECT target_id, plate_number FROM lingniu_prod.tab_mileage_assessment_vehicle WHERE is_deleted = 0'
-    ) as [{ target_id: number; plate_number: string }[], unknown];
+    const targetVehicleRows = await loadTargetVehicleRows(pool);
 
     const targetIdPlatesMap = new Map<number, string[]>();
     for (const r of targetVehicleRows) {
@@ -241,15 +172,7 @@ app.get('/:id/vehicles', async (c) => {
   const date = c.req.query('date') || '';
 
   try {
-    const [rows] = await pool.execute(
-      `SELECT plate_number, today_mileage, vehicle_total_mileage,
-              completion_rate, is_qualified, current_year_is_qualified,
-              daily_required_mileage
-       FROM lingniu_prod.tab_mileage_assessment_vehicle
-       WHERE target_id = ? AND is_deleted = 0
-       ORDER BY today_mileage DESC`,
-      [targetId]
-    ) as [any[], unknown];
+    const rows = await loadYearlyAssessments(pool, { targetId });
 
     const plates: string[] = rows.map((r: any) => r.plate_number);
     const infoMap = await fetchVehicleInfoByPlates(plates);
diff --git a/src/server/routes/mileage/trend.ts b/src/server/routes/mileage/trend.ts
index 9e74aec..edd8e84 100644
--- a/src/server/routes/mileage/trend.ts
+++ b/src/server/routes/mileage/trend.ts
@@ -1,3 +1,4 @@
+import { loadTargetVehiclePlates } from './repository.js';
 import { Hono } from 'hono';
 import pool from '../../db/mysql.js';
 import { fetchOneOsMileageDates } from './oneos-api.js';
@@ -11,10 +12,7 @@ app.get('/', async (c) => {
   try {
     let plates: string[] = [];
     if (targetId) {
-      const [vehicleRows] = await pool.execute(
-        'SELECT plate_number FROM lingniu_prod.tab_mileage_assessment_vehicle WHERE target_id = ? AND is_deleted = 0',
-        [targetId]
-      ) as [{ plate_number: string }[], unknown];
+      const vehicleRows = await loadTargetVehiclePlates(pool, { targetId });
       plates = vehicleRows.map(r => r.plate_number);
       if (plates.length === 0) return c.json([]);
     }
diff --git a/src/server/routes/mileage/vehicle-info.ts b/src/server/routes/mileage/vehicle-info.ts
index 458d94c..8145ed1 100644
--- a/src/server/routes/mileage/vehicle-info.ts
+++ b/src/server/routes/mileage/vehicle-info.ts
@@ -1,76 +1,10 @@
+import { loadVehicleInfoByPlates, loadVehicleInfoMapRows } from './repository.js';
 import pool from '../../db/mysql.js';
 import type { VehicleInfoRow } from './types.js';
 
-/** 车辆关联信息 SQL（客户名、部门、经理、租赁状态、主体、项目、品牌） */
-export const VEHICLE_INFO_SQL = `SELECT
-    vi.plate_number AS plate,
-    vi.vin AS vin,
-    COALESCE(c.customer_name, vor.customer_name, ci.customer_name) AS customer,
-    COALESCE(c.business_department_name, vor.business_dept) AS department,
-    COALESCE(c.business_manager_name, vor.business_manager) AS manager,
-    CAST(COALESCE(c.business_manager_id, vi.business_id) AS CHAR) AS manager_id,
-    CASE vs.operation_status
-      WHEN '1' THEN '租赁'
-      WHEN '2' THEN '自营'
-      WHEN '3' THEN '可运营'
-      WHEN '4' THEN '待运营'
-      WHEN '5' THEN '退出运营'
-      ELSE vs.operation_status
-    END AS rent_status,
-    NULLIF(vi.registered_ownership, '') AS entity,
-    COALESCE(c.project_name, vor.project_name) AS project,
-    COALESCE(vi_operation_city.NAME, NULLIF(vi.operation_city, '')) AS inventory_location,
-    CASE vm.brand
-      WHEN 'hyundai' THEN CASE WHEN vm.model LIKE '%帕力安%' OR vm.model LIKE '%冷链%' OR vm.model LIKE '%双飞翼%' THEN '帕力安牌' ELSE '现代' END
-      WHEN 'yuejin' THEN '跃进'
-      WHEN 'feichi' THEN '飞驰'
-      WHEN 'sulong' THEN '苏龙'
-      WHEN 'higer' THEN '海格'
-      WHEN 'dongfeng' THEN '东风'
-      WHEN 'yutong' THEN '宇通'
-      WHEN 'chufeng' THEN '楚风'
-      WHEN 'tonghua' THEN '通华'
-      WHEN 'maxus' THEN '大通'
-      WHEN 'mingwei' THEN '明威'
-      WHEN 'wanfeng' THEN '万风'
-      WHEN 'shujie' THEN '舒捷'
-      WHEN 'denza' THEN '腾势'
-      WHEN 'hongyan' THEN '红岩'
-      WHEN 'yuanchang brand' THEN '远程牌'
-      WHEN 'others' THEN '其他'
-      ELSE vm.brand
-    END AS brand_label
-FROM vehicle_info vi
-LEFT JOIN vehicle_status vs
-       ON vs.vehicle_id = vi.id
-      AND vs.del_flag = 0
-LEFT JOIN vehicle_model vm
-       ON vm.id = vi.vehicle_model_id
-      AND vm.del_flag = '0'
-LEFT JOIN common_district vi_operation_city
-       ON vi_operation_city.CODE = vi.operation_city COLLATE utf8mb4_unicode_ci
-      AND vi_operation_city.STATUS = 'VALID'
-LEFT JOIN vehicle_lease_order_record vor
-       ON vor.vehicle_id = vi.id
-      AND vor.del_flag = '0'
-      AND vor.id = (
-        SELECT MAX(vor2.id)
-        FROM vehicle_lease_order_record vor2
-        WHERE vor2.vehicle_id = vi.id
-          AND vor2.del_flag = '0'
-      )
-LEFT JOIN vehicle_lease_contract_info c
-       ON c.order_id = vor.contract_id
-      AND c.del_flag = '0'
-LEFT JOIN customer_info ci
-       ON ci.id = vi.customer_id
-      AND ci.del_flag = '0'
-WHERE vi.del_flag = '0'
-  AND COALESCE(vs.operation_status, '') <> '5'`;
-
 /** 查询所有车辆关联信息，返回 plate→info 的 Map */
 export async function fetchVehicleInfoMap(): Promise<Map<string, VehicleInfoRow>> {
-  const [rows] = await pool.execute(VEHICLE_INFO_SQL) as [VehicleInfoRow[], unknown];
+  const rows = await loadVehicleInfoMapRows(pool) as unknown as VehicleInfoRow[];
   const map = new Map<string, VehicleInfoRow>();
   for (const row of rows) {
     map.set(row.plate, row);
@@ -81,10 +15,7 @@ export async function fetchVehicleInfoMap(): Promise<Map<string, VehicleInfoRow>
 /** 查询指定车牌的关联信息 */
 export async function fetchVehicleInfoByPlates(plates: string[]): Promise<Map<string, VehicleInfoRow>> {
   if (plates.length === 0) return new Map();
-  const [rows] = await pool.execute(
-    `${VEHICLE_INFO_SQL} AND vi.plate_number IN (${plates.map(() => '?').join(',')})`,
-    plates
-  ) as [VehicleInfoRow[], unknown];
+  const rows = await loadVehicleInfoByPlates(pool, { plates }) as unknown as VehicleInfoRow[];
   const map = new Map<string, VehicleInfoRow>();
   for (const row of rows) {
     map.set(row.plate, row);