feat(ppmt): 新增分地区收入占比与门店数量图表

- 新增分地区收入占比、零售门店数量、机器人商店数量三张图表及对应 CSV 数据
- 渠道收入图矮段标签外置并扇形排布，避免段内标签挤压
- IP 收入占比图改用 standardLegend 统一图例样式
- 折线标注增加白底描边，提升可读性

js/charts/index.js

@@ -25,6 +25,9 @@ import { cashflowCompositionChart } from './ppmt_cashflow_composition.js';
 import { workingCapitalDaysChart } from './ppmt_working_capital_days.js';
 import { expenseStructureChart } from './ppmt_expense_structure.js';
 import { channelRevenueChart } from './ppmt_channel_revenue.js';
+import { storesRetailChart } from './ppmt_stores_retail.js';
+import { storesRobotChart } from './ppmt_stores_robot.js';
+import { regionShareChart } from './ppmt_region_share.js';
 
 /** 图表构建函数注册表。manifest 只引用这里的 key，不直接引用 JS 函数。 */
 export const chartRegistry = {
@@ -55,6 +58,9 @@ export const chartRegistry = {
   'ppmt-working-capital-days': workingCapitalDaysChart,
   'ppmt-expense-structure': expenseStructureChart,
   'ppmt-channel-revenue': channelRevenueChart,
+  'ppmt-stores-retail': storesRetailChart,
+  'ppmt-stores-robot': storesRobotChart,
+  'ppmt-region-share': regionShareChart,
 };
 
 export function getChartBuilder(key) {