Sidebar Overhaul #601

GitHub avatar support in project thumbnails
Collapsible workspace sidebar with icon-only compact mode and improved toggle/collapse behavior
Richer project headers and compact thumbnails
Updated sidebar/list item layouts, icons, spacing, and sizing across many panels

Workspaces Page #599

Added a searchable, filterable workspaces list view with grouped project headers and per-workspace rows
New workspace row UI showing status, diffs, timestamps, and reopen/opening states
Project headers now offer a context menu: Open in Finder, Project Settings, Close Project
Workspace sidebar header is now a clickable toggle and the workspaces list auto-closes on selection

Workspace Status Indicators #588

Add 3-color workspace status indicators showing agent lifecycle (amber=working, red=permission needed, green=ready for review)
Integrate with Claude Code hooks and OpenCode plugin for real-time status updates
Click behavior: review → idle (acknowledged), permission → working (assumes permission granted)

PR Status in Changes View #608

Add a PR status indicator (icon + number) to the Changes view header that links to GitHub. Color-coded PR icons based on state (green for open, violet for merged, red for closed, muted for draft).