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* fix(agents): remove provider tool-call blocks when guards strip calls Token-budget and loop-detection hard stops, subagent-limit truncation, and safety-finish-reason suppression removed calls from tool_calls and the raw additional_kwargs payload, but left the provider's own tool-call blocks in AIMessage.content. Provider adapters re-serialize those blocks: langchain_anthropic sends a tool_use block whose id is not in tool_calls, and the OpenAI Responses input builder sends every function_call block. ChatAnthropic stores any tool-calling response as a block list, so a guard firing on a Claude tool call always left a tool_use without a tool_result. A truncated subagent call failed the next model request of the same run; a hard stop was checkpointed under the same message id and failed every later turn of the thread. clone_ai_message_with_tool_calls now trims content tool-call blocks to the calls that remain on the message: tool_use and LangChain v1 tool_call/tool_call_chunk by id, Responses function_call and custom_tool_call by call_id (their id is the fc_ item id), Google GenAI function_call by id, and id-less blocks by name in order. Blocks for calls still on invalid_tool_calls stay, because DanglingToolCallMiddleware answers those calls with placeholder results. The token-budget and loop-detection hard stops now build their messages through the helper instead of their own copies, and ClarificationMiddleware drops its private filter, which matched Responses blocks by item id. * docs(changelog): reference #5447 in the orphaned tool-call block entry * fix(agents): skip id-matched calls in the id-less block budget The name budget for id-less content tool-call blocks counted every retained call, including calls whose own id-bearing block had already matched. In mixed-shape content, a retained call "a" with a function_call block carrying id "a" also let a same-named id-less block survive, leaving the unpaired block this helper exists to remove. Collect the retained ids that id-bearing blocks matched first, and build the name budget only from retained calls outside that set. Content with no id-bearing blocks keeps the full budget, so the Gemini path is unchanged.