fix: restore post-v1.1.14 features while preserving asset updates

Undo the full-tree rollback in 6ea1b3d and restore the pre-rollback v1.2.0 code. Preserve the new asset flow rules, abnormal inventory separation, range drilldowns and date picker; adapt the regression test to the restored routes layout.

.env.local.example

@@ -0,0 +1,18 @@
+# Copy to .env.local; never commit real credentials. Environment values win.
+HYDROGEN_DB_HOST=
+HYDROGEN_DB_PORT=3306
+HYDROGEN_DB_USER=
+HYDROGEN_DB_PASSWORD=
+HYDROGEN_DB_NAME=
+# 单站与外部客户数据租户；仅由服务端设置，不接受网页传入。
+HYDROGEN_TENANT_ID=000000
+# Optional legacy/electric business database; use a database-level read-only user.
+DB_HOST=
+DB_PORT=3306
+DB_USER=
+DB_PASSWORD=
+DB_NAME=
+# Local development uses the public OneOS endpoint; the ECS private IP is not reachable locally.
+ONEOS_MILEAGE_API_BASE_URL=https://open.d.lnoneos.com
+ONEOS_MILEAGE_API_KEY=
+ONEOS_MILEAGE_API_TIMEOUT_MS=20000