[rafaetri]

Issue for this PR

Fixes #50393

Type of change

• Bug fix
• New feature
• Refactor / code improvement
• Documentation

What does this PR do?

Every @word in a comment was read as a workspace path, so a comment like or should I use @here? attached a file called here and showed "File not found".

Comment mentions now count as files only when they look like paths: they start with ~ or contain /, \, . or #. This is the rule proposed in the issue. Mentions picked from autocomplete in the prompt are separate file parts and are not affected.

Tradeoff: a root-level file with no dot or slash, such as Makefile or LICENSE, no longer attaches from a comment. This includes picking it from the comment editor's @-autocomplete, which inserts the bare name (@Makefile). Typing @./Makefile still attaches it. If you would rather keep the picker working for these files, it could insert @./<name> for them. I am happy to add that here or in a follow-up.

This follows the approach in #50526, which was auto-closed for template compliance rather than reviewed.

How did you verify your code works?

Rebased onto current v2 and re-ran everything:

• Added a test covering file comments and note comments with @here, @channel and @everyone next to a real @src/shared.ts mention. It fails without the change and passes with it.
• bun test --conditions=solid --preload ./happydom.ts src/composer/ in packages/app: 76 pass.
• bun run test:unit in packages/app: 731 pass, 0 fail.
• bun run check from the repository root passes.

Screenshots / recordings

Not a visual change.

Checklist

• I have tested my changes locally
• I have not included unrelated changes in this PR

[github-actions]

Thanks for your contribution!

This PR doesn't have a linked issue. All PRs must reference an existing issue.

Please:

1. Open an issue describing the bug/feature (if one doesn't exist)
2. Add Fixes #<number> or Closes #<number> to this PR description

See CONTRIBUTING.md for details.

[github-actions]

The following comment was made by an LLM, it may be inaccurate:

[github-actions]

Thanks for updating your PR! It now meets our contributing guidelines. 👍

[github-actions]

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