fix: avoid relying on global fetch

[KazariAI]

Nuxt PR nuxt/nuxt#35790 stopped installing $fetch on globalThis in the client when it is otherwise unused.

The runtime plugin still read that global during setup, so this uses useRequestFetch() to obtain Nuxt's configured fetch instance while preserving compatibility with existing Nuxt releases.

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This pull request was created with assistance from a code agent.

[pkg-pr-new]

npm i https://pkg.pr.new/@nuxt/icon@514

commit: 09a4bae

[coderabbitai]

No actionable comments were generated in the recent review. 🎉

ℹ️ Recent review info

⚙️ Run configuration

Configuration used: Organization UI

Review profile: CHILL

Plan: Pro Plus

Run ID: a7429793-454c-40bb-8d46-ea659b93374f

📥 Commits

Reviewing files that changed from the base of the PR and between fe6a78a and 09a4bae.

📒 Files selected for processing (1)

• src/runtime/plugin.ts

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📝 Walkthrough

Walkthrough

The runtime plugin now imports useRequestFetch() and initializes a local $fetch within setup(). The resulting request-aware fetch function is used by the plugin flow, including custom icon loading.

Estimated code review effort: 1 (Trivial) | ~2 minutes

🚥 Pre-merge checks | ✅ 5

✅ Passed checks (5 passed)

Check name	Status	Explanation
Title check	✅ Passed	The title reflects the main change: stopping reliance on a global fetch instance.
Description check	✅ Passed	The description matches the change and explains the Nuxt compatibility issue being addressed.
Docstring Coverage	✅ Passed	No functions found in the changed files to evaluate docstring coverage. Skipping docstring coverage check.
Linked Issues check	✅ Passed	Check skipped because no linked issues were found for this pull request.
Out of Scope Changes check	✅ Passed	Check skipped because no linked issues were found for this pull request.

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• Create PR with unit tests

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