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* fix(middleware): recover malformed tool-call ids in dangling repair DanglingToolCallMiddleware normalizes malformed tool-call names (#4008) and arguments (#4193) so strict OpenAI-compatible providers do not reject the next request. The id is the third field of that same recovery contract and was left alone. A provider that emits an empty id -- or omits it -- parses into a well-formed tool_calls entry, so it reaches the middleware through the normal path. The empty id never enters the pairing set, so the orphan pass drops the call's already-produced ToolMessage and the placeholder pass skips the call. The request then goes out carrying an empty id and with the real tool result gone. Normalize ids up front and re-point each already-paired ToolMessage at its call's new id, so the existing pairing/orphan/placeholder logic no longer sees a malformed id. Only the view that is actually read and serialized is relabelled; a valid id is left byte-for-byte alone, since it is matched verbatim against ToolMessage.tool_call_id. * fix(middleware): scope malformed-id result pairing to its own turn Malformed tool-call ids are all equally empty, so pairing recovered results by the original id alone was a global FIFO over the whole transcript. An earlier dangling call then consumed a later turn's result: the real result was served to the wrong call while the call that actually ran got the interrupted placeholder. An orphan result whose originating AIMessage was already gone could likewise be adopted by a later malformed call, resurrecting it instead of being dropped as the orphan pass intends. Walk the messages once in document order so only the most recent AIMessage's unanswered calls are claimable, which keeps a result answering the turn that issued it, and rule out the wrong parallel sibling within a turn by tool name. A result whose name matches no open call is left malformed for the existing orphan pass to drop rather than repurposed as some other call's answer. * fix(middleware): keep the shadowed raw view out of id recovery * fix(middleware): only claim a malformed result when the pairing is forced * docs(middleware): cite ToolNode's ordering guarantee for positional pairing