DBP-107: 需要顯示點數增加數

[pan93412]

• test: remove redundant rank resolver test
• feat(graph): return score in RankingEdge
• feat(ranking): return score in RankingEdge

[linear]

DBP-107 需要顯示點數增加數

[Copilot]

Pull Request Overview

This PR adds score display functionality to the ranking system by including a Score field in the RankingEdge type, allowing the frontend to display point increases or completion counts for each ranked user.

Key changes:

• Added Score field to RankingEdge in GraphQL schema and model
• Updated ranking service to populate the score field
• Removed redundant rank resolver test file and added comprehensive score-focused tests

Reviewed Changes

Copilot reviewed 5 out of 5 changed files in this pull request and generated no comments.

Show a summary per file

File	Description
graph/rank.graphqls	Added score: Int! field to RankingEdge type
graph/model/models_gen.go	Generated model includes new Score field
internal/ranking/ranking.go	Populates Score field from user score data
internal/ranking/ranking_test.go	Added comprehensive tests for score functionality
graph/rank_resolver_test.go	Removed redundant test file

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