feat(vue/no-negated-v-if-condition): upgrade rule suggestion to autofix

[rzzf]

close #2979

This is my first contribution to this amazing project. Please feel free to point out anything that’s not quite right. Thank you!

[changeset-bot]

🦋 Changeset detected

Latest commit: 5d03d3f

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

This PR includes changesets to release 1 package

Name	Type
eslint-plugin-vue	Minor

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[FloEdelmann]

Thanks for giving it a go 🙂

[FloEdelmann]

Thank you for your first contribution! This looks good to me now.

[Copilot]

Pull request overview

This PR upgrades the vue/no-negated-v-if-condition rule from providing suggestions to providing automatic fixes. When enabled with the --fix flag, ESLint will now automatically swap negated conditions in v-if/v-else blocks with positive conditions.

• Converted the rule from hasSuggestions: true with suggest to fixable: 'code' with fix
• Updated all test cases to expect automatic fixes via output instead of manual suggestions
• Updated documentation to reflect the autofix capability

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
lib/rules/no-negated-v-if-condition.js	Converted suggestion mechanism to autofix by changing meta properties and replacing suggest with fix
tests/lib/rules/no-negated-v-if-condition.js	Updated all invalid test cases to use output field instead of suggestions array
docs/rules/no-negated-v-if-condition.md	Changed documentation badge from suggestion (:bulb:) to autofix (:wrench:) and added fix attribute to code block
docs/rules/index.md	Updated rule listing to show autofix icon (:wrench:) instead of suggestion icon (:bulb:)
.changeset/rich-zebras-type.md	Added changeset entry documenting the conversion from suggestion to autofix

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