- workspace_nav helper replaces 4x duplicated nav bar patterns - Hoisted make_diagnostics_action_context call in process_clicks (computed once, reused 4 times) - Removed duplicate section header comments in workspaces.odin workspaces.odin: 328 → 280 lines (down 15%) All 156 tests pass.
runtime.odin: 1782 → 818 lines (orchestration only) chrome.odin: 248 lines (sidebar, pipeline bar, workspace router, bottom bar) workspaces.odin: 328 lines (8 workspace functions) detail_panels.odin: 439 lines (script/panels/layout/bubbles detail + action log) All 156 tests pass, build clean.