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feat(web): expose exa/perplexity search tuning as config

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The Exa and Perplexity providers hard-coded request parameters that
deployments should control while defaults are still unsettled. Exa gains
searchType, numResults, and highlightsPerResult; Perplexity gains
maxTokens (it previously sent none) and an optional searchRecency. Each
follows the deepseek provider's shape: a defaulted Config field, a
DEFAULT_* constant, and a positive-integer status() check for numeric
limits. The call-level maxResults still flows through WebSearchRequest
and wins over the configured default, keeping the seam layering intact.

Addresses tianyicui's "make everything configurable" review comment.
This commit is contained in:
Dudu-0223
2026-07-03 16:21:12 +08:00
parent 7441307251
commit 580496b72a
11 changed files with 172 additions and 27 deletions
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22
packages/web/web-search-perplexity/src/index.ts
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@@ -10,17 +10,18 @@
import type { Context } from 'cordis'
import z from 'schemastery'
import type {} from '@deepseek-ai/dsh-web'
import { PerplexitySearchProvider, PERPLEXITY_DEFAULT_BASE_URL, PERPLEXITY_DEFAULT_MODEL } from './provider.ts'
import { PerplexitySearchProvider, PERPLEXITY_DEFAULT_BASE_URL, PERPLEXITY_DEFAULT_MAX_TOKENS, PERPLEXITY_DEFAULT_MODEL } from './provider.ts'
export {
PERPLEXITY_DEFAULT_BASE_URL,
PERPLEXITY_DEFAULT_MAX_TOKENS,
PERPLEXITY_DEFAULT_MODEL,
PERPLEXITY_PROVIDER_ID,
PerplexitySearchProvider,
mapPerplexityResponse,
mapPerplexityResult,
} from './provider.ts'
export type { PerplexitySearchProviderOptions } from './provider.ts'
export type { PerplexityRecency, PerplexitySearchProviderOptions } from './provider.ts'
/** Cordis plugin name used by loader diagnostics. */
export const name = 'web-search-perplexity'
@@ -35,18 +36,27 @@ export interface Config {
baseURL?: string
/** Search model name. Defaults to `sonar`. */
model?: string
/** Upper bound on generated answer tokens. Defaults to 1024. */
maxTokens?: number
/** Recency window sent as `search_recency_filter`. Omitted = no filter. */
searchRecency?: 'day' | 'week' | 'month' | 'year'
}
export const Config: z<Config> = z.object({
apiKey: z.string(),
baseURL: z.string(),
model: z.string(),
maxTokens: z.number().step(1).min(1),
searchRecency: z.union(['day', 'week', 'month', 'year'] as const),
})
/** Register the Perplexity search provider with `ctx.web`. */
export function apply(ctx: Context, config: Config): void {
const apiKey = config.apiKey ?? process.env.PERPLEXITY_API_KEY ?? ''
const baseURL = config.baseURL ?? PERPLEXITY_DEFAULT_BASE_URL
const model = config.model ?? PERPLEXITY_DEFAULT_MODEL
ctx.web.registerSearchProvider(new PerplexitySearchProvider({ apiKey, baseURL, model }))
ctx.web.registerSearchProvider(new PerplexitySearchProvider({
apiKey: config.apiKey ?? process.env.PERPLEXITY_API_KEY ?? '',
baseURL: config.baseURL ?? PERPLEXITY_DEFAULT_BASE_URL,
model: config.model ?? PERPLEXITY_DEFAULT_MODEL,
maxTokens: config.maxTokens ?? PERPLEXITY_DEFAULT_MAX_TOKENS,
...config.searchRecency !== undefined ? { searchRecency: config.searchRecency } : {},
}))
}