• [new] auth method selection / auth started events with default_auth_method_id, method lists, and xai.api_key as the selected method
• [new] First-party API key probe reports verdict=Usable and allows_advertise=true; ACP auth method set is ["xai.api_key","grok.com"] with default xai.api_key
• [new] session created (includes cwd) and session.setup.phase covering auth, folder trust, git discovery, MCP merge, persistence init, plugin registry, workspace resolve, tool overrides, actor spawn, finalize, and response-ready
• [new] Shell prompt/turn pipeline events: prompt received, shell.prompt.queued, shell.handle_prompt.start / .done, shell.task_wake.gate_cleared, shell.turn.tool_prep_done, shell.turn.build_request_done, shell.turn.inference_start / .done, shell.tool.exec_done
• [new] Turn timing and outcome fields on those events (prompt ids, queue depth, pre/turn/total elapsed, build/inference/tool prep ms, TTFT/ITL, tool name/tool_call_id, success)
• [new] slash.advertise at session start with slash command names and count
• [new] trace.upload.decision with telemetry mode/source flags and upload enablement reason
• [new] On-disk session artifacts: sessions/{workspace}/prompt_history.jsonl and per-session chat_history.jsonl, events.jsonl, prompt_context.json, resources_state.json, rewind_points.jsonl, signals.json, summary.json, system_prompt.txt, title_refresh_idx, tool_definitions.json, updates.jsonl, usage.json
• [new] Home layout entries: installed-plugins/ and models_cache.json
• [changed] connect finished and startup complete report outcome=ok with phase timings; startup adds session_create / session_spawn_ms and finer startup timing names (session spawn, persistence, git discovery, tool overrides, system prompt inject, MCP merge, etc.)
• [changed] Model catalog auth refresh watcher starts with had_real_catalog=true
• [removed] model catalog: fetching, model catalog: retry scheduled, and model catalog refresh failed events (and their fetch/retry ctx fields)
• [removed] Prior unusable API-key probe / grok.com-only auth method initialize path and error outcomes on connect/startup