feat(list): recursive walks to root + add cwd field

[mateodelnorte]

Summary

• When --recursive, handle_project_list now walks up to the root ancestor meta-repo via find_root_meta_dir before recursing down the tree
• Adds cwd field to ProjectListOutput JSON — the caller's absolute working directory
• Non-recursive behavior is unchanged
• Depends on feat(config): add find_root_meta_dir() for ancestor discovery meta_core#5 (find_root_meta_dir)

Test plan

• cargo test -p meta_project_cli — 14/14 passing (3 new)
• cargo test --workspace — 652 tests, 0 failures
• bats tests/project_list.bats — 16/16 passing (2 new integration tests)

🤖 Generated with Claude Code

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✨ Finishing Touches

🧪 Generate unit tests (beta)

• Create PR with unit tests
• Post copyable unit tests in a comment
• Commit unit tests in branch feat/project-list-root-walk

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[greptile-apps]

Greptile Summary

This PR enhances the project list command with recursive root-finding behavior and adds caller context tracking.

Key Changes:

• When --recursive is used, the command now walks up to the root ancestor meta-repo using config::find_root_meta_dir before recursing down, ensuring a complete view of the entire repository tree regardless of where the command is executed
• Adds cwd field to ProjectListOutput JSON structure to capture the absolute working directory of the caller
• Non-recursive behavior remains unchanged, continuing to operate from the current directory
• Comprehensive test coverage added (3 new unit tests)

Testing:

• All 14 tests passing in meta_project_cli
• 652 workspace tests passing
• 16 BATS integration tests passing (2 new)

Confidence Score: 5/5

• This PR is safe to merge with minimal risk
• The implementation is well-designed with clear separation between recursive and non-recursive behavior, comprehensive test coverage (14/14 passing unit tests, 652 workspace tests passing), and the changes are additive without modifying existing behavior. The PR depends on config::find_root_meta_dir from feat(config): add find_root_meta_dir() for ancestor discovery meta_core#5, which according to the PR description is already available.
• No files require special attention

Important Files Changed

Filename	Overview
src/lib.rs	Added recursive root-finding logic and cwd field to JSON output with comprehensive test coverage

_{Last reviewed commit: a37b377}