chore: import upstream snapshot with attribution

apps/sim/tools/kalshi/get_exchange_schedule.ts

@@ -0,0 +1,133 @@
+import { buildKalshiUrl, handleKalshiError } from '@/tools/kalshi/types'
+import type { ToolConfig } from '@/tools/types'
+
+export type KalshiGetExchangeScheduleParams = Record<string, never>
+
+export interface KalshiGetExchangeScheduleResponse {
+  success: boolean
+  output: {
+    schedule: Record<string, unknown>
+  }
+}
+
+export const kalshiGetExchangeScheduleTool: ToolConfig<
+  KalshiGetExchangeScheduleParams,
+  KalshiGetExchangeScheduleResponse
+> = {
+  id: 'kalshi_get_exchange_schedule',
+  name: 'Get Exchange Schedule from Kalshi',
+  description: 'Retrieve the Kalshi exchange trading schedule and maintenance windows',
+  version: '1.0.0',
+
+  params: {},
+
+  request: {
+    url: () => buildKalshiUrl('/exchange/schedule'),
+    method: 'GET',
+    headers: () => ({
+      'Content-Type': 'application/json',
+    }),
+  },
+
+  transformResponse: async (response: Response) => {
+    const data = await response.json()
+
+    if (!response.ok) {
+      handleKalshiError(data, response.status, 'get_exchange_schedule')
+    }
+
+    return {
+      success: true,
+      output: {
+        schedule: data.schedule || {},
+      },
+    }
+  },
+
+  outputs: {
+    schedule: {
+      type: 'object',
+      description: 'Exchange schedule with standard_hours and maintenance_windows',
+    },
+  },
+}
+
+/**
+ * V2 Response matching Kalshi API exactly
+ */
+export interface KalshiGetExchangeScheduleV2Response {
+  success: boolean
+  output: {
+    schedule: {
+      standard_hours: Array<Record<string, unknown>>
+      maintenance_windows: Array<{
+        start_datetime: string | null
+        end_datetime: string | null
+      }>
+    }
+  }
+}
+
+export const kalshiGetExchangeScheduleV2Tool: ToolConfig<
+  KalshiGetExchangeScheduleParams,
+  KalshiGetExchangeScheduleV2Response
+> = {
+  id: 'kalshi_get_exchange_schedule_v2',
+  name: 'Get Exchange Schedule from Kalshi V2',
+  description:
+    'Retrieve the Kalshi exchange trading schedule and maintenance windows (V2 - exact API response)',
+  version: '2.0.0',
+
+  params: {},
+
+  request: {
+    url: () => buildKalshiUrl('/exchange/schedule'),
+    method: 'GET',
+    headers: () => ({
+      'Content-Type': 'application/json',
+    }),
+  },
+
+  transformResponse: async (response: Response) => {
+    const data = await response.json()
+
+    if (!response.ok) {
+      handleKalshiError(data, response.status, 'get_exchange_schedule_v2')
+    }
+
+    const schedule = data.schedule || {}
+    const maintenanceWindows = (schedule.maintenance_windows || []).map(
+      (w: Record<string, unknown>) => ({
+        start_datetime: (w.start_datetime as string) ?? null,
+        end_datetime: (w.end_datetime as string) ?? null,
+      })
+    )
+
+    return {
+      success: true,
+      output: {
+        schedule: {
+          standard_hours: schedule.standard_hours ?? [],
+          maintenance_windows: maintenanceWindows,
+        },
+      },
+    }
+  },
+
+  outputs: {
+    schedule: {
+      type: 'object',
+      description: 'Exchange schedule (all times in ET)',
+      properties: {
+        standard_hours: {
+          type: 'array',
+          description: 'Weekly schedules with per-day open/close trading sessions',
+        },
+        maintenance_windows: {
+          type: 'array',
+          description: 'Scheduled maintenance windows with start_datetime and end_datetime',
+        },
+      },
+    },
+  },
+}