refactor(ui): consolidate workspace and automation navigation

[luokerenx4]

Summary

Consolidate Workspace and background-run navigation around the existing Harness and Settings surfaces. This is the maintainer-reviewed UI iteration, not a new execution or scheduling model.

• Open current Workspace details from the Harness footer identity; keep the adjacent Workspace switcher and configuration actions distinct.
• Show Workspace-owned README content, recorded applied/source metadata, and a separate current-catalog Harness guide. Preserve shared Markdown sanitization for relative document links.
• Retire the global Workspaces activity and management UI. Old inventory links return to Chat; old Session/file links resolve the recorded Harness without mounting a second Workspace navigator.
• Retire the Automation activity. Move the existing Runs and API pages unchanged into Settings → Developer, including old-link and saved-tab handling.
• Prevent saved activity layouts or the activity editor from restoring retired entries, without changing persisted layout validation or deleting user data.

Design and acceptance

• Session interaction stays in its owning Harness; Workspace details do not replace agent configuration.
• Developer reuses the existing disclosure, navigation rows, Settings scrolling and phone drawer. Runs/API links automatically reveal that group.
• Missing Workspace ownership and independent document failures remain explicit; no tag-based routing guesses.
• Existing themes, shared page headers, menus, tabs and reading renderer are reused. No new navigation primitive or Issues run browser is introduced.

Verification

• node scripts/run-tests.mjs --owner ui: 287 files / 1716 tests passed.
• cd ui && npx tsc -b: passed.
• git diff --check: passed.
• Real local AliceProject browser acceptance: Chat and Quant Workspace details, overview/guide separation, footer details versus switcher, and responsive layout.
• Real legacy Session and README links land in the owning Chat Harness; no global Workspace sidebar. Retired inventory links return to Chat.
• Runs/API verified inside Settings Developer on desktop and at 390px; mobile selection closes the drawer and returns focus to its trigger. Activity navigation no longer exposes either retired entry.
• Isolated first-run browser entry checked after removing the obsolete Manage Workspaces setup link. No Session was started or resumed during read-only acceptance.
• Current dev integrated without conflicts; preceding PR refactor(release): independent candidate pipelines and acceptance replay #1377 checks and its dev installer run were successful.

Boundary touch / non-goals

UI and UI-owner documentation only. No backend API, Workspace/Session data deletion, schedule semantics, trading, credentials, runtime lifecycle, migrations, packaging, or release changes. Runs remain all-source; no new Issues entry is added in this iteration. Native packaged Electron acceptance was not run; evidence is the real browser surface and UI owner suite, not a packaged-app claim.

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Project	Deployment	Actions	Updated
openalice-demo	Building	Preview	Sep 5, 2026 12:32pm UTC