CLI v0.251.0, Desktop v0.208.0: Faster session and composer rendering, clearer transcript grouping, wiki and enterprise fixes, and retired legacy pages

New features - Marketplace plugin picker - Admins now choose plugins from their registered marketplaces instead of typing plugin names by hand Improvements - Background session updates - The open session no longer redraws when a background session changes its state (app) - Hiding sidebar items - A hidden sidebar item now folds away instead of snapping the list shut (app) - Composer typing after a paste - Typing stays responsive after you paste a long log into the composer (app) Bug fixes - Model switch notice - A session now explains why your model changed when your plan no longer covers it (app) - Connector run grouping - A long run of connector actions now stays in one transcript group instead of splitting (app) - Pull requests from shell scripts - A pull request Droid opens inside a shell script now appears on its session - Wiki reader header actions - The wiki reader's version, export, share, and refresh buttons now respond, and a narrow header fits (app) - Transcript row spacing - A blank gap no longer opens between Droid's thinking and the tool it runs next (app) - Usage by Session card - The Personal Usage page now keeps its Usage by Session card instead of dropping it - Self-hosted Git connections - A self-hosted GitHub or GitLab connection no longer disconnects when two token refreshes overlap Deprecations - Legacy analytics pages - The legacy analytics pages are retired, and their saved links open the matching page in Analytics - Onboarding checklist - The post-onboarding checklist is gone, and New Session starter ideas suggest what to try next (app)