feat(cli): add compose selectors command

[0x76agabond]

Summary

Add compose selectors <address> --chain <chain> for a focused view of a deployed diamond’s selectors.

Changes Made

• Reuse inspect’s facet query and signature decoding, with separate selector-focused output.
• Show unknown signatures as raw selectors with a warning.
• Add command, pipeline, and output tests plus a CLI changeset.

Checklist

• Code matches the CLI’s pipeline/module style
• Existing and new CLI tests pass: 164 tests
• CLI lint and build pass
• Changeset added
• forge fmt / forge test: not run separately; no Solidity files changed
• Solidity feature ban and design principles: not applicable to this CLI-only change
• Documentation updated: not applicable; command has --help text

Additional Notes

[netlify]

👷 Deploy request for compose-diamonds pending review.

Visit the deploys page to approve it

Name	Link
🔨 Latest commit	3dfff96

[changeset-bot]

🦋 Changeset detected

Latest commit: 3dfff96

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

This PR includes changesets to release 1 package

Name	Type
@perfect-abstractions/compose-cli	Patch

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[github-actions]

CLI Coverage

Commit: 3dfff96

Metric	Coverage	Covered/Total
Lines	70%	2095/3001
Functions	73%	438/598
Branches	60%	1190/1975