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fix(search): update stale chain-tail copy and backend list #39

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fix(search): update stale chain-tail copy and backend list #39

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10 changes: 10 additions & 0 deletions CHANGELOG.md
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Original file line number Diff line number Diff line change
Expand Up @@ -17,6 +17,16 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
scoping, and native web search. Existing unknown model IDs continue to pass
through unchanged.

### Fixed

- API-backed `[search]` providers visibly degrade to the keyless Bing tail
instead of DuckDuckGo when unavailable: DuckDuckGo is unreachable from
mainland-China networks (DNS poisoning plus SNI reset), while Bing serves
its global and China endpoints without a key. The all-backends-down error
now suggests every selectable API-backed provider, including SearXNG and
Sofya, and the `web_search` tool description no longer claims a
DuckDuckGo hop for configured API backends.

## [0.9.5] - 2026-08-08

Codewhale v0.9.5 consolidates the terminal application into one compiled
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3 changes: 2 additions & 1 deletion crates/tui/src/tools/web/backend.rs
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Expand Up @@ -261,7 +261,8 @@ async fn run_backend_chain(
.join(", ");
Err(ToolError::not_available(format!(
"web search backends unavailable: {backend_ids}; \
configure an API-backed [search] provider (tavily, bocha, metaso, baidu, volcengine) for dependable results"
configure an API-backed [search] provider (tavily, bocha, metaso, searxng, baidu, \
volcengine, sofya) for dependable results"
)))
}

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10 changes: 6 additions & 4 deletions crates/tui/src/tools/web_search.rs
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@@ -1,7 +1,9 @@
//! Web search tool backed by a bounded backend chain: the active route's
//! documented provider-native search, configured API search, then DuckDuckGo
//! HTML scrape with a one-way Bing fallback. Explicit Bing and private
//! DuckDuckGo-compatible routes remain single-provider. API adapters
//! documented provider-native search, configured API search, then a keyless
//! Bing tail chosen by reachability; API outages never route through
//! DuckDuckGo. The configured DuckDuckGo route keeps its own one-way Bing
//! scrape fallback. Explicit Bing and private DuckDuckGo-compatible routes
//! remain single-provider. API adapters
//! include Tavily, Bocha (博查),
//! Metaso API (<https://metaso.cn>), SearXNG JSON API, Baidu AI Search,
//! Volcengine Ark, and Sofya (<https://sofya.co>).
Expand Down Expand Up @@ -103,7 +105,7 @@ impl ToolSpec for WebSearchTool {
}

fn description(&self) -> &'static str {
"Search the web and return ranked results with URLs, snippets, session-scoped ref_ids, and an execution receipt. Open a result ref_id with `web.run` when the short summary is not enough; fetch only the few sources needed. When the exact active route reports a documented first-party server-side search tool, it is tried first; otherwise the default backend is DuckDuckGo with Bing fallback. Configured API backends visibly degrade through DuckDuckGo then Bing when unavailable, and every hop is recorded. Configuration and network-policy errors fail closed. Explicit Bing and private DuckDuckGo-compatible routes do not cross providers. Set `[search] provider = \"bing\" | \"tavily\" | \"bocha\" | \"metaso\" | \"searxng\" | \"baidu\" | \"volcengine\" | \"sofya\"` in config.toml, or `[search] base_url` for a private DuckDuckGo-compatible endpoint or trusted SearXNG instance. For a known canonical URL, prefer `fetch_url` directly."
"Search the web and return ranked results with URLs, snippets, session-scoped ref_ids, and an execution receipt. Open a result ref_id with `web.run` when the short summary is not enough; fetch only the few sources needed. When the exact active route reports a documented first-party server-side search tool, it is tried first; otherwise the default backend is DuckDuckGo with Bing fallback. Configured API backends visibly degrade through the keyless Bing tail when unavailable, and every hop is recorded. Configuration and network-policy errors fail closed. Explicit Bing and private DuckDuckGo-compatible routes do not cross providers. Set `[search] provider = \"bing\" | \"tavily\" | \"bocha\" | \"metaso\" | \"searxng\" | \"baidu\" | \"volcengine\" | \"sofya\"` in config.toml, or `[search] base_url` for a private DuckDuckGo-compatible endpoint or trusted SearXNG instance. For a known canonical URL, prefer `fetch_url` directly."
}

fn input_schema(&self) -> Value {
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