[GCWing]

Summary

• Cache the session turn index and share adjacent history requests so reopening or paging through long chats does less work.
• Keep cross-device session actions scoped to the selected device, and surface an explicit unsupported state for archive and delete on detached dispatch sessions.
• Open project directories in the owning workspace file tree and show the tracked Git change count on eligible chat welcome screens. Negotiate support before querying a peer host.

Type and Areas

Performance, bug fixes, and UI. Covers Web UI, session persistence, Desktop and CLI peer commands, and local and SSH Git services.

Verification

• Focused Web UI tests passed (427 tests in 12 files): device and archived session menus, session delete, project directories and workspace resource panels, welcome panel, history restore, FlowChatStore, file explorer, Git count hook, and peer connection manager.
• pnpm run type-check:web, pnpm run capabilities:check, pnpm run i18n:audit, pnpm run theme:color-audit:all, and git diff --check origin/main...HEAD passed.
• cargo test --locked -p openbitfun-services-integrations --no-default-features --features git,remote-ssh --test git_contracts tracked_change_count passed.
• cargo test --locked -p openbitfun-product-domains --no-default-features remote_surface passed.
• cargo test --locked -p openbitfun-core --no-default-features --features external-sources,git,product-search --lib turn_window_is_bounded_revision_aware_and_staged_revert_safe passed.
• Automated coverage includes simulated peer state and the SSH Git command contract. Live SSH, Peer Device Mode, Remote Connect, and Detached Dispatch are pending manual verification.

Checklist

• The PR excludes unrelated local assets.
• Verification and its scope are recorded above.
• User-facing strings, documentation, and locales are updated where applicable.