fix(pricing): 统一将计价计算从向下取整改为四舍五入

统一修复所有计价相关模块的取整逻辑：将Lua计价函数中的直接返回改为四舍五入取整，同时将前后端代码中的Math.floor替换为Math.round，确保全链路的票价计算采用标准四舍五入规则，避免出现不合理的定价偏差。

server/routes/api.js

@@ -8,6 +8,12 @@ const io = require('../io');
 // Helper to get IP
 const getIp = (req) => (req.headers['x-forwarded-for'] || '').toString().split(',')[0].trim() || req.ip || req.connection?.remoteAddress || '';
 
+const resolveStationName = (code) => {
+  if (!code) return '';
+  const s = (DataService.getStations?.() || []).find(x => String(x.code).trim().toLowerCase() === String(code).trim().toLowerCase());
+  return s ? (s.name || s.cn_name || code) : code;
+};
+
 const normalizeTicketId = (v) => {
   const s0 = String(v || '').replace(/\s+/g, '');
   if (!s0) return '';
@@ -829,6 +835,7 @@ router.post('/ic-cards/:id/sync', async (req, res) => {
       result: patch.last_result,
       reason: patch.last_reason || undefined,
       station_code: station_code || undefined,
+      station_name: resolveStationName(station_code),
       entry_station: card.entry_station || undefined,
       exit_station: card.exit_station || undefined,
       fare: patch.last_fare,
@@ -916,6 +923,7 @@ router.post('/cards/open', async (req, res) => {
         card_id: card.card_id,
         order_code: voucher_code,
         station_code,
+        station_name: resolveStationName(station_code),
         device,
         balance,
         deposit,
@@ -1067,6 +1075,7 @@ router.post('/cards/check', async (req, res) => {
         action,
         result: 'pass',
         station_code,
+        station_name: resolveStationName(station_code),
         entry_station: station_code,
         device,
         balance: toMoney(card.balance)
@@ -1130,6 +1139,7 @@ router.post('/cards/check', async (req, res) => {
       action,
       result: 'pass',
       station_code,
+      station_name: resolveStationName(station_code),
       entry_station,
       exit_station: station_code,
       fare,
@@ -1186,6 +1196,7 @@ router.post('/tickets/sale', async (req, res) => {
     train_type,
     cost: cost || 0,
     station_code: station_code || '',
+    station_name: resolveStationName(station_code),
     device: device || 'unknown',
     trips_total: tTotal,
     trips_remaining: tRemain
@@ -1277,7 +1288,7 @@ router.post('/tickets/check', async (req, res) => {
   const cur = idx[ticket_id];
 
   const deny = async (reason) => {
-    const ev = { ts, type: 'check', ticket_id, action, result: 'deny', reason, station_code: station_code_raw || '', device };
+    const ev = { ts, type: 'check', ticket_id, action, result: 'deny', reason, station_code: station_code_raw || '', station_name: resolveStationName(station_code_raw), device };
     await DataService.appendTicketEvent(ev);
     await DataService.upsertTicketIndex({
       ticket_id,
@@ -1329,7 +1340,7 @@ router.post('/tickets/check', async (req, res) => {
     if (!matchesStation(start)) return deny('wrong_station');
     if (entered && !exited) return deny('already_entered');
 
-    const ev = { ts, type: 'check', ticket_id, action, result: 'pass', station_code: start, device };
+    const ev = { ts, type: 'check', ticket_id, action, result: 'pass', station_code: start, station_name: resolveStationName(start), device };
     await DataService.appendTicketEvent(ev);
     await DataService.upsertTicketIndex({
       ticket_id,
@@ -1355,7 +1366,7 @@ router.post('/tickets/check', async (req, res) => {
 
   const newTripsRemaining = Math.max(0, (Number(tripsRemainEffective) || 0) - 1);
   const shouldSetUsed = newTripsRemaining <= 0;
-  const ev = { ts, type: 'check', ticket_id, action, result: 'pass', station_code: terminal, device, trips_remaining: newTripsRemaining };
+  const ev = { ts, type: 'check', ticket_id, action, result: 'pass', station_code: terminal, station_name: resolveStationName(terminal), device, trips_remaining: newTripsRemaining };
   await DataService.appendTicketEvent(ev);
   await DataService.upsertTicketIndex({
     ticket_id,
@@ -1399,6 +1410,7 @@ router.post('/tickets/status', async (req, res) => {
     result,
     reason,
     station_code: station_code || '',
+    station_name: resolveStationName(station_code),
     device: device || 'unknown',
     trips_remaining,
     rides_remaining

server/routes/public.js

@@ -9,6 +9,12 @@ const svgGenerator = require('../services/svg-generator');
 // Helper to get IP
 const getIp = (req) => (req.headers['x-forwarded-for'] || '').toString().split(',')[0].trim() || req.ip || req.connection?.remoteAddress || '';
 
+const resolveStationName = (code) => {
+  if (!code) return '';
+  const s = (DataService.getStations?.() || []).find(x => String(x.code).trim().toLowerCase() === String(code).trim().toLowerCase());
+  return s ? (s.name || s.cn_name || code) : code;
+};
+
 const appendReqLog = (req, { category, type, detail, source, level } = {}) => {
     const entry = {
         ts: new Date().toISOString(),
@@ -196,8 +202,8 @@ router.get('/fares/query', (req, res) => {
         const discount = Number.isFinite(discountRaw) && discountRaw > 0 ? discountRaw : 1;
         const regularBase = Number(result.regular);
         const expressBase = Number(result.express);
-        const regularDiscounted = Number.isFinite(regularBase) ? Math.floor(regularBase * discount) : null;
-        const expressDiscounted = Number.isFinite(expressBase) ? Math.floor(expressBase * discount) : null;
+        const regularDiscounted = Number.isFinite(regularBase) ? Math.round(regularBase * discount) : null;
+        const expressDiscounted = Number.isFinite(expressBase) ? Math.round(expressBase * discount) : null;
         appendReqLog(req, { category: 'public', type: 'fare_query', detail: { from, to, from_code: fromCode, to_code: toCode, ok: true } });
         res.json({
             from_code: fromCode || null,
@@ -502,6 +508,7 @@ router.post('/tickets/record', async (req, res) => {
         train_type,
         cost,
         station_code,
+        station_name: resolveStationName(station_code),
         device,
         trips_total,
         trips_remaining

server/services/logic.js

@@ -215,7 +215,7 @@ const LogicService = {
       const baseExp = Number(baseBoth?.express ?? 0) || 0;
       const discount = Number(cfg?.promotion?.discount ?? 1);
       const base = (trainType === 'Express') ? baseExp : baseReg;
-      return Math.floor(base * (discount > 0 ? discount : 1));
+      return Math.round(base * (discount > 0 ? discount : 1));
     } catch (_) { return 0; }
   },
 

ticketmachine.lua

@@ -1644,7 +1644,7 @@ local function computeCost(src, dst, trainType)
     local u, du = heapPop()
     if not u then break end
     if du == dist[u] then
-      if u == dst then return du end
+      if u == dst then return math.floor(du + 0.5) end
       for v, w in pairs(adj[u] or {}) do
         local nd = du + (tonumber(w) or 0)
         if nd < (dist[v] or math.huge) then

web/ticket-order.js

@@ -567,7 +567,7 @@
       const discountedRaw = (type==='Express')
         ? (fare?.discounted_express_fare ?? fare?.['优惠后特快票价'])
         : (fare?.discounted_regular_fare ?? fare?.['优惠后常规票价']);
-      const discountedSingle = Number(discountedRaw ?? Math.floor(base * disc) ?? 0);
+      const discountedSingle = Number(discountedRaw ?? Math.round(base * disc) ?? 0);
       const price = discountedSingle * trips;
 
       const routeKey = (type === 'Express') ? 'express_path' : 'regular_path';