• Merge pull request #932 from kaitranntt/kai/feat/931-upstream-provider-model-catalogs
• fix(ui): restore searchable-select dropdown scrolling
• fix(ui): gate preset catalog reuse on query readiness
• fix(ui): reuse cached cliproxy catalogs for presets
• docs(roadmap): record upstream cliproxy picker sync
• feat(cliproxy): source model pickers from upstream catalogs