v5.4.0

What's Changed

• feat(acp): experimental ACP agent mode (Codex) via the Agent Client Protocol by @pjdoland in #380
• fix(chat): don't apply hard-break newlines to AI-streamed messages by @FelipeRamos-neuro in #385
• feat: Add Proxied Jupyter UI Tools MCP Server by @acook4148 in #398
• chore(deps): patch known-vulnerable npm and Python dependencies by @pjdoland in #399
• fix(chat): require only one Enter to submit after Korean IME composition by @pjy324 in #400
• fix(chat): stop inline-code CSS from leaking into fenced code blocks by @FelipeRamos-neuro in #402
• fix(dispatch): make chat dispatch failures terminal-safe by @herikwebb in #403
• feat(claude): bound UI tool results by @herikwebb in #404
• fix(claude): forward inline edit system prompt by @herikwebb in #405
• fix(chat): stop empty code nodes from misclassifying as inline by @FelipeRamos-neuro in #407
• feat(perf): opt-in performance diagnostics with turn timelines and an environment probe by @pjdoland in #408
• feat(readiness): configuration preflight that names the missing piece by @pjdoland in #410
• fix(inline): Added dedicated inline chat model var by @cSlat3r in #413
• fix(copilot): stop sending an unsupported stop parameter (#397) by @pjdoland in #414
• docs: bring the documentation up to the 5.4 alphas by @pjdoland in #409
• fix(chat): budget ask-mode history by tokens by @herikwebb in #412

New Contributors

• @FelipeRamos-neuro made their first contribution in #385
• @pjy324 made their first contribution in #400

Full Changelog: v5.3.1...v5.4.0