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Merge remote-tracking branch 'origin/master' into codex/simp-prune-web-seam-fields

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# Conflicts:
#	packages/web/tool-web/README.md
#	packages/web/web/README.md
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Tianyi Cui
2026-07-14 15:56:42 +08:00
parent 75caa2490f 6e5c908a1b
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packages/web/web-search-exa/README.md
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@@ -24,3 +24,13 @@ This is an **implementation** package: it registers a provider into `ctx.web`, i
## Mapping
Exa returns a flat `results[]` and no generated answer, so `content` is omitted. Each result maps to a `WebSearchSource`: `url` ← `url`, `title` ← `title`, `snippet` ← the first non-empty `highlights[]` entry (a result with no highlight has no portable snippet and is dropped), `publishedAt` ← `publishedDate`. A request's `maxResults` wins over the configured `numResults` default and is sent as Exa's `numResults` for a cost/latency optimization; the final bound is enforced by the seam. Provider failures (HTTP errors, network failure, unparseable or wrong-shape bodies) surface as `WebError` `WEB_PROVIDER_ERROR`; an aborted request surfaces as `WEB_ABORTED`.
## Model Experience
Indirectly, through `dsh-tool-web`, which retains this provider's `maxResults`-bounded URLs, titles, first highlights, and publication dates or exact `Error: Exa search aborted`, `Error: Exa search request failed: <error>`, and `Error: Exa returned an unprocessable response body: <error>` failures while generated answers and provider-private fields remain outside context.
## Known Limitations and Deferred Work
- **A result with no non-blank highlight is dropped entirely** — no portable snippet to map, so fewer sources than the requested count can return.
- **Only `searchType`/`numResults`/`highlightsPerResult` are exposed** — Exa's other controls (livecrawl, category, domain/date filters, full-text contents) wait on provider-neutral seam fields ([seam RFC](../../../docs/rfc/implemented/architecture/2026-06-24-web-capability-seam.md)).
- **Abort classification is error-shape-based** — only a `DOMException` named `AbortError` maps to `WEB_ABORTED`; an abort carrying a custom reason (e.g. `dsh-timeout`'s `TimeoutReason`) surfaces as `WEB_PROVIDER_ERROR`.