test: strengthen GroupCard and ProgressBar component tests

[kike-alt]

Closes #256

Summary

• extend GroupCard test coverage to assert status badge behavior across status updates
• add ProgressBar assertion for partial in-range values to complement empty/full/clamp cases
• keep tests focused on display logic and prop handling for both components

Testing

• npm test -- --watchman=false --runTestsByPath tests/components/GroupCard.test.tsx tests/components/ProgressBar.test.tsx: pass
• npm test -- --watchman=false: pass
• npm run lint: fails with pre-existing repo-wide lint issues unrelated to this change
• npm run build (repo root): fails because shared workspace build cannot find tsc (pre-existing dependency/setup issue)

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