fix(router): middleware in index + routeLoader handling

[wmertens]

Edge case, but important

[changeset-bot]

🦋 Changeset detected

Latest commit: 021b4ce

The changes in this PR will be included in the next version bump.

This PR includes changesets to release 5 packages

Name	Type
@qwik.dev/router	Patch
eslint-plugin-qwik	Patch
@qwik.dev/core	Patch
create-qwik	Patch
@qwik.dev/react	Patch

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[Copilot]

Pull request overview

This PR adjusts Qwik Router’s request-handler resolution so that, for q-loader (per-routeLoader) JSON requests, middleware defined in the final page/index module is only executed when the requested loader is actually exported by that same page module. This prevents index-level middleware from running for loader requests targeting layout/root loaders on the same path.

Changes:

• Guard page/index module request handlers during q-loader requests based on the requested loader id.
• Refactor handler extraction into helper functions to support the guarding behavior.
• Add unit tests covering the new q-loader + page middleware behavior, and include a router changeset entry.

Reviewed changes

Copilot reviewed 3 out of 3 changed files in this pull request and generated 1 comment.

File	Description
packages/qwik-router/src/middleware/request-handler/resolve-request-handlers-core.ts	Adds guarding logic for last page module handlers during q-loader requests and refactors handler collection.
packages/qwik-router/src/middleware/request-handler/resolve-request-handlers.unit.ts	Adds unit tests validating that page/index middleware is skipped or executed appropriately for loader requests.
.changeset/spicy-squids-count.md	Records the patch-level behavioral fix in release notes.

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commit: 021b4ce

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