fix(v2): link IGDB provider to game page by slug

[gantoine]

Description

The IGDB provider link in the v2 GameDetails provider grid built a text-search URL from the numeric provider ID (/search?type=1&q=<id>), which returns no results. This points the link at the canonical /games/<slug> page when the ROM's slug is present, and only falls back to the ID search when the slug is missing.

To support this, the Provider.url builder now receives the DetailedRom in addition to the ID, so builders can reach fields beyond the provider ID (both OverviewTab.vue and ProviderGrid.vue call sites updated).

Note

This change was written with AI assistance (PostHog Code). The author reviewed and verified the change.

Checklist

• I've tested the changes locally
• I've updated relevant comments
• I've assigned reviewers for this PR
• I've added unit tests that cover the changes

Screenshots (if applicable)

N/A

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Created with PostHog Code

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[greptile-apps]

Greptile Summary

This PR changes IGDB links to open the canonical game page when a ROM slug is available. The main changes are:

• Pass the full DetailedRom to provider URL builders.
• Build IGDB game links from rom.slug.
• Keep the numeric-ID search URL as a fallback.

Confidence Score: 5/5

This looks safe to merge.

• No blocking issues found in the changed code.

Important Files Changed

Filename	Overview
frontend/src/v2/components/GameDetails/OverviewTab.vue	Passes the current DetailedRom to provider URL builders.
frontend/src/v2/components/GameDetails/ProviderGrid.vue	Passes the ROM through while preserving the existing missing-ID and missing-builder guards.
frontend/src/v2/components/GameDetails/providers.ts	Expands the URL-builder contract and uses the ROM slug for direct IGDB links.

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