feat(charge-points): add pricing mode for charge points with validation

feat(pricing): implement tariff management with peak, valley, and flat pricing
feat(api): add tariff API for fetching and updating pricing configurations
feat(tariff-schema): create database schema for tariff configuration
feat(pricing-page): create UI for displaying and managing pricing tiers
fix(sidebar): update sidebar to include pricing settings link

apps/csms/src/routes/tariff.ts

@@ -0,0 +1,98 @@
+import { Hono } from "hono";
+import { eq } from "drizzle-orm";
+import { useDrizzle } from "@/lib/db.js";
+import { tariff } from "@/db/schema.js";
+import type { HonoEnv } from "@/types/hono.ts";
+import type { PriceTier, TariffSlot } from "@/db/tariff-schema.ts";
+
+const app = new Hono<HonoEnv>();
+
+/** GET /api/tariff  —  返回当前生效的电价配置（任何已登录用户） */
+app.get("/", async (c) => {
+  const db = useDrizzle();
+  const [row] = await db.select().from(tariff).where(eq(tariff.isActive, true)).limit(1);
+
+  if (!row) return c.json(null);
+
+  return c.json(rowToPayload(row));
+});
+
+/** PUT /api/tariff  —  更新/初始化电价配置（仅管理员） */
+app.put("/", async (c) => {
+  const currentUser = c.get("user");
+  if (currentUser?.role !== "admin") {
+    return c.json({ error: "Forbidden" }, 403);
+  }
+
+  type TierPricing = { electricityPrice: number; serviceFee: number };
+  type TariffBody = {
+    slots: TariffSlot[];
+    prices: Record<PriceTier, TierPricing>;
+  };
+
+  let body: TariffBody;
+  try {
+    body = await c.req.json<TariffBody>();
+  } catch {
+    return c.json({ error: "Invalid JSON" }, 400);
+  }
+
+  const { slots, prices } = body;
+  if (!Array.isArray(slots) || !prices) {
+    return c.json({ error: "Missing slots or prices" }, 400);
+  }
+
+  const db = useDrizzle();
+
+  // 停用旧配置
+  await db.update(tariff).set({ isActive: false });
+
+  const [row] = await db
+    .insert(tariff)
+    .values({
+      id: crypto.randomUUID(),
+      slots,
+      peakElectricityPrice: fenFromCny(prices.peak?.electricityPrice),
+      peakServiceFee: fenFromCny(prices.peak?.serviceFee),
+      valleyElectricityPrice: fenFromCny(prices.valley?.electricityPrice),
+      valleyServiceFee: fenFromCny(prices.valley?.serviceFee),
+      flatElectricityPrice: fenFromCny(prices.flat?.electricityPrice),
+      flatServiceFee: fenFromCny(prices.flat?.serviceFee),
+      isActive: true,
+    })
+    .returning();
+
+  return c.json(rowToPayload(row));
+});
+
+// ── helpers ────────────────────────────────────────────────────────────────
+
+function fenFromCny(cny: number | undefined): number {
+  if (typeof cny !== "number" || isNaN(cny)) return 0;
+  return Math.round(cny * 100);
+}
+
+function rowToPayload(row: typeof tariff.$inferSelect) {
+  return {
+    id: row.id,
+    slots: row.slots as TariffSlot[],
+    prices: {
+      peak: {
+        electricityPrice: row.peakElectricityPrice / 100,
+        serviceFee: row.peakServiceFee / 100,
+      },
+      valley: {
+        electricityPrice: row.valleyElectricityPrice / 100,
+        serviceFee: row.valleyServiceFee / 100,
+      },
+      flat: {
+        electricityPrice: row.flatElectricityPrice / 100,
+        serviceFee: row.flatServiceFee / 100,
+      },
+    },
+    createdAt: row.createdAt,
+    updatedAt: row.updatedAt,
+  };
+}
+
+export default app;