• Merge pull request #476 from kaitranntt/kai/fix/103-extended-context
• chore: address PR review feedback - sync comment and unused import
• fix(ui): remove duplicate import in use-provider-editor
• fix(ui): only apply [1m] suffix to ANTHROPIC_MODEL, fix toggle refresh
• fix(ui): apply [1m] suffix directly to model strings in settings
• fix(ui): wire extended context toggle through component tree
• fix(catalog): rename claude-opus-4-6-20260203 to claude-opus-4-6
• fix: address code review findings and CI failure
• feat(ui): add extended context toggle in dashboard model config
• feat(cliproxy): add extended context support for 1M token window