Read repository files and directories with gh repo read-file and gh repo read-dir

Two new preview commands read repository contents without cloning:

# Read a single file to stdout
gh repo read-file README.md --repo cli/cli

# Read from a specific branch, tag, or commit
gh repo read-file go.mod --ref v2.94.0 --repo cli/cli

# Write a file to disk (use --clobber to overwrite)
gh repo read-file README.md --output ./README.md --repo cli/cli

# List the entries in a directory
gh repo read-dir script --repo cli/cli

Both commands default to the repository's default branch, accept --ref to target any branch, tag, or commit, and support --json, --jq, and --template for scripting. This makes it easy for agents and automation to inspect a repo without a full checkout.

What's Changed

✨ Features

• feat: add repo read-file and repo read-dir by @babakks in #13580
• feat(skills): list available skills when install runs non-interactively by @SamMorrowDrums in #13548
• Support custom CLAUDE_CONFIG_DIR in install by @tommaso-moro in #13523

🐛 Fixes

• fix(skills): stage updates in a temp dir and swap in-place by @SamMorrowDrums in #13449

📚 Docs & Chores

• Make filtering by bot authors more discoverable by @BagToad in #13642
• docs(discussion): polish help docs by @babakks in #13632
• Bump Go in devcontainer by @spenserblack in #13674

Dependencies

• chore(deps): bump golang.org/x/text from 0.37.0 to 0.38.0 by @dependabot[bot] in #13640
• chore(deps): bump charm.land/lipgloss/v2 from 2.0.3 to 2.0.4 by @dependabot[bot] in #13663
• chore(deps): bump golang.org/x/term from 0.43.0 to 0.44.0 by @dependabot[bot] in #13661
• chore(deps): bump github/codeql-action from 4.36.1 to 4.36.2 by @dependabot[bot] in #13619
• chore(deps): bump github.com/sigstore/sigstore-go from 1.1.4 to 1.2.1 by @dependabot[bot] in #13662
• chore(deps): bump golang.org/x/crypto from 0.52.0 to 0.53.0 by @dependabot[bot] in #13641

Full Changelog: v2.94.0...v2.95.0