Ramnique Singh 091f3e3acd fix(x): preserve block-level provider metadata in the turns bridge ... The bridge dropped providerMetadata from content-block stream events, so reasoning parts persisted as bare {type, text}. Anthropic thinking signatures (which arrive on a reasoning-delta with an empty text delta), Gemini thoughtSignatures (on text-end / reasoning-end / tool-call), and OpenAI encrypted reasoning were all lost — breaking multi-step tool turns whenever extended thinking is enabled, since providers require signed blocks to be echoed back verbatim within the tool loop. Now every -start event opens a new part (distinct blocks keep distinct signatures) and metadata from each event of a block is merged opaquely onto that part's providerOptions, which convertFromMessages already echoes verbatim. The bridge never interprets the contents; each provider reads back only its own keys. Empty blocks with no metadata are dropped, matching the previous lazy-creation behavior. finish-step metadata stays top-level as before. Schemas already allowed providerOptions on all part types, so persisted files remain readable in both directions. Co-Authored-By: Claude Fable 5 <noreply@anthropic.com>		2026-07-10 10:11:25 +05:30
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core	fix(x): preserve block-level provider metadata in the turns bridge	2026-07-10 10:11:25 +05:30
shared	refactor(x): one delivery path for turn events — chat, channels, deltas	2026-07-09 15:47:21 +05:30