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feat(runtime): adopt Open Responses extension codecs for DeepSeek tools #5350

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Lxr-max wants to merge 16 commits into from
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feat(runtime): adopt Open Responses extension codecs for DeepSeek tools #5350

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9d2237f
feat(runtime): adopt Open Responses extension codecs for DeepSeek tools
Lxr-max Sep 15, 2026
23ca97d
fix(runtime): persist DeepSeek web_search replay carrier and failed s…
Lxr-max Sep 15, 2026
e4b0827
fix(runtime): scope DeepSeek replay carriers per physical stream
Lxr-max Sep 16, 2026
e607988
test(runtime): restore DeepSeek replay degradation coverage
Lxr-max Sep 17, 2026
079c369
fix(runtime): skip unchanged DeepSeek Open Responses body rewrites
Lxr-max Sep 18, 2026
15b3e19
fix(runtime): keep DeepSeek JSON fetch bodies as text on no-op rewrite
Lxr-max Sep 18, 2026
cd0dbb2
fix(runtime): drop DeepSeek hosted pairs on unrecognized replay wires
Lxr-max Sep 21, 2026
8449a77
fix(runtime): judge hosted-search replay on the whole exchange
Lxr-max Sep 21, 2026
4ae8c52
fix(runtime): keep hosted-search answers off the step limit
Lxr-max Sep 22, 2026
1bef2ea
fix(runtime): typecheck the chat-wire hosted-search replay gate
Lxr-max Sep 22, 2026
e705e99
fix(runtime): type the DeepSeek Open Responses extension gate
Lxr-max Sep 23, 2026
23855f9
placeholder
Lxr-max Sep 23, 2026
d9a52af
fix(runtime): pair hosted-search replay by invocation
Lxr-max Sep 23, 2026
2bc6f99
fix(runtime): pair hosted-search replay by invocation
Lxr-max Sep 23, 2026
8826e4c
fix(runtime): pair hosted-search replay by invocation
Lxr-max Sep 23, 2026
e5191c3
test(runtime): cover cross-invocation reused hosted-search ids
Lxr-max Sep 23, 2026
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6 changes: 3 additions & 3 deletions packages/core/src/model-web-search.ts
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Original file line number Diff line number Diff line change
Expand Up @@ -84,9 +84,9 @@ function providerHostedWebSearchAdapter(
? { adapter: wire, implemented: true }
: null;
case 'deepseek':
// @ai-sdk/open-responses currently serializes function tools only.
// Mark native search unavailable so routing never hands it a provider
// tool that would be silently filtered from the request.
// Open Responses codecs for DeepSeek's bare `web_search` wire are
// registered (#4107). Product routing stays fail-closed until #3689
// enables the hosted-search capability on this adapter.
return { adapter: 'openai-responses', implemented: false };
case 'openai':
case 'xai':
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