Support tool list --output-format=json

[InSyncWithFoo]

Summary

Resolves #13633.

tool list --output-format=json outputs information about the installed tools in JSON. An example output looks like this:

[
  {
    "name": "black",
    "version": "24.2.0",
    "version_specifiers": ["==24.2.0"],
    "extra_requirements": [],
    "with_requirements": [],
    "directory": "[...]/tools/black",
    "environment": {
      "python": "[...]/tools/black/bin/python3",
      "version": "3.12.1"
    },
    "entrypoints": [
      { "name": "black", "path": "[...]/bin/black" },
      { "name": "blackd", "path": "[...]/bin/blackd" }
    ]
  }
]

--show-paths, --show-version-specifiers, --show-with and --show-extras are allowed to be used with --output-format, but they are redundant; the output will always include those information.

Test Plan

Unit tests.

[codspeed-hq]

CodSpeed Performance Report

Merging #13962 will not alter performance

_{Comparing InSyncWithFoo:tool-list-json (08953ab) with main (77c771c)}

Summary

✅ 3 untouched

[zanieb]

Thanks for your patience here.

I'm planning to do a pass on this to make it consistent with #13689 unless you're interested? In particular, I think we should:

• Attempt to use the same implementation and derive the display from the report rather than splitting the implementation
• Add a preview warning
• Reuse some of the report structs from there

[InSyncWithFoo]

@zanieb I'm occupied at the moment, so please, go ahead and thanks.

[sigma67]

Is there still interest in this PR? Would be a great feature to have ❤️

[egerlach]

@zanieb @InSyncWithFoo I just ran into a situation where this would have been useful. Would it be okay if I took a stab at this in the coming weeks? No guarantees, but I have the itch and I might have time.

Specifically, I'm thinking of doing 2 PRs, one that would refactor the reporting stuff from project sync off on its own, and a second which implements --format=json for tool list similar to sync. I'm not familiar with the internals of uv (yet), so I figure that doing a refactor first will let me get my bearings before actually trying to change anything.

[zanieb]

Feel free yeah! I haven't had a chance to pick it up.

cc @EliteTK