winget install . unexpectedly installs an unrelated Microsoft Store app

[heppth]

Relevant area(s)

WinGet CLI

Relevant command(s)

winget install

Brief description of your issue

winget install resolves a query consisting only of a single punctuation
character (e.g. .) to a single, seemingly confident match from the
msstore source, and proceeds directly to the license-agreement prompt —
with no disambiguation list and no indication that the match is essentially
arbitrary.

Steps to reproduce

1. Open a terminal in any folder (does not need to contain a manifest).
2. Run: winget install .

Expected behavior

Either:

• No results are returned (a punctuation-only string is not meaningful
  search input), or
• If a low-confidence match exists, winget shows it as part of a
  disambiguation list ("Multiple/weak packages found, please refine the
  input") rather than proceeding straight to the package-agreement /
  install flow.

Actual behavior

winget install . immediately resolves to a single package from the
Microsoft Store (in my case: WhatsApp, 9NKSQGP7F2NH) and shows the
license agreement prompt, ready to install on a single Enter/Y.

Environment

Windows-Paket-Manager v1.29.20-preview
Windows.Desktop v10.0.26200.8655
Microsoft.DesktopAppInstaller v1.30.20.0

[DandelionSprout]

The same seems to be the case with pretty much any standard alphanumeric character, as can be more safely tested with winget show instead of winget install.

For instance, winget show x results in "X-Pointer Lite" (whatever that is) on my end.