01:00 New thread screen. settings.json defaultModelSelection = {"instanceId":"claudeAgent","model":"claude-opus-4-8","options":[{"id":"effort","value":"high"}]} 01:02 Open the composer effort menu (currently "High") 01:05 Choose Low 01:07 Composer effort now "Low". settings.json = {"instanceId":"claudeAgent","model":"claude-opus-4-8","options":[{"id":"effort","value":"high"}]} 01:10 Reload the page 01:42 After reload composer effort "Low" 02:06 Settings row: "Claude Opus 4.8 ยท High" 02:08 jq .defaultModelSelection settings.json -> {"instanceId":"claudeAgent","model":"claude-opus-4-8","options":[{"id":"effort","value":"high"}]}