File api.summarize.ts

testing/panel/src/routes/api.summarize.ts:None–None

import { createFileRoute } from '@tanstack/react-router'
import { summarize, createSummarizeOptions } from '@tanstack/ai'
import { anthropicSummarize } from '@tanstack/ai-anthropic'
import { geminiSummarize } from '@tanstack/ai-gemini'