Adds key architectural choices summary, assumptions section, sidebar visual demotion (F9), message click-to-expand in compact log, and backend-first rationale from the codex plan. Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>
Adds key architectural choices summary, assumptions section, sidebar visual demotion (F9), message click-to-expand in compact log, and backend-first rationale from the codex plan. Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>