feat(dashboard): 用量统计新增「昨天」范围 + 跨供应商「模型用量统计」选项卡

- 范围新增 yesterday：本地时区昨日 0 点 ~ 今日 0 点，range_end 引入上界过滤
- RangeStats 新增 modelsByName：按裸模型名聚合，同一模型跨供应商合并，
  子代理记录归入 __secondary__ 单独成行，按 Token 降序
- 趋势选项卡第 4 个 tab「模型用量统计」：新增 ModelTotalsChart 横向条形图，
  悬停显示请求数/Token/缓存命中/费用
- 概览卡网格扩展为 5 张；i18n 中英同步
- 顺带：pricing 测试基准从已下架的 moonshotai/kimi-k2.5 切换到 kimi-k3

src/hooks/useDashboard.ts

@@ -2,7 +2,7 @@ import { useCallback, useEffect, useState } from "react";
 import { invoke } from "@tauri-apps/api/core";
 import type { SummaryResult } from "../types/dashboard";
 
-export type DashboardRange = "today" | "7d" | "30d" | "all";
+export type DashboardRange = "today" | "yesterday" | "7d" | "30d" | "all";
 
 const RANGE_STORAGE_KEY = "kimi-switch-dashboard-range";
 
@@ -10,7 +10,7 @@ export function useDashboard() {
   const [range, setRange] = useState<DashboardRange>(() => {
     try {
       const stored = localStorage.getItem(RANGE_STORAGE_KEY) as DashboardRange | null;
-      if (stored === "today" || stored === "7d" || stored === "30d" || stored === "all") {
+      if (stored === "today" || stored === "yesterday" || stored === "7d" || stored === "30d" || stored === "all") {
         return stored;
       }
     } catch {