- Move `BattleTable` logic from `GroupMember` to its own `BattleTable.tsx` component.
- Clean up `GroupMember` by removing unused imports (`Divider`, `Flex`, `Space`, `Table`, `getRoundTable`).
- Add new utility functions in `src/utils/common.ts`:
- `higherWin` and `lowerWin` to calculate scores based on point difference thresholds.
- `calculate` to determine the final score return value based on win/loss status.
- move event scraping/parsing and match lookup logic into src/utils/server.ts
- extract BASE_URL and grouping/round-table helpers into src/utils/common.ts
- update component/service entry imports to new module locations
- remove deprecated src/utils/utils.ts monolith
- clean up unused XCXFindUser type import
- update tests to new utils import path
- move shared parsing/grouping helpers into serverUtils and update imports
- add xcxApi singleton in serverUtils
- add Redis-backed uid score store and /api/user/nowScores endpoint
- preload uid scores in event loader and tags in profile loader
- allow grouping prediction to switch sort mode between current/yearly score
- update tags component to consume loader-provided tags
- remove unused zustand game store
- add redis test scaffold and scoreboard component scaffold
- extract getRoundTable into src/utils.ts as a reusable generic helper
- update GroupMember to import getRoundTable from utils
- remove round pairing debug log from GroupMember
