Loading issues
Part of PAR-339 (https://app.taskl.ie/w/paradaux/issues/PAR-339); stack PR 3/5. Workspace subtasks are disabled, so linked through descriptions.
Market entry leads with full-item search and popular items; move aggregate charts to Activity. Rename section tabs Browse Items, Find Shops, Activity. Preserve old routes/bookmarks.
Acceptance: implement behaviour, update relevant player documentation, verify populated/empty states and relevant desktop/mobile and permission boundaries. Record PR and validation here.
Implemented in PR #12, part 3/5 of the PAR-339 stack into develop. Final stack validation passes: 169 unit/integration tests with coverage thresholds, 124 Playwright tests, lint, production build/typecheck, and full Gradle build. Ready for review; merge in stack order. Not merged or deployed.