feat: add generic workspace git abilities and CLI

[chubes4]

Summary

• add generic workspace git operations in Workspace: status, pull, add, commit, push, log, and diff
• expose new abilities in WorkspaceAbilities with read operations REST-exposed and mutating operations CLI-only
• extend wp datamachine workspace with a git subcommand for composable repository workflows
• enforce policy gates for mutating operations via datamachine_workspace_git_policies (repo opt-in, push opt-in, path allowlists, branch restrictions)

Why

This adds generic primitives for repository automation so users can compose workflows in pipelines without hardcoding a docs-specific implementation.

Testing

• php -l inc/Core/FilesRepository/Workspace.php
• php -l inc/Abilities/WorkspaceAbilities.php
• php -l inc/Cli/Commands/WorkspaceCommand.php
• homeboy test data-machine --skip-lint --path="/var/lib/datamachine/workspace/data-machine" --setting database_type=mysql --setting mysql_host=localhost --setting mysql_database=extrachill --setting mysql_user=extrachill --setting mysql_password= -- --filter WorkspaceCommandTest

Related

• Closes Add generic workspace git abilities (status, pull, add, commit, push, log, diff) for composable pipelines #617
• Ref Add Workspace Publish handler with scoped write/edit + git commit/push workflow #615
• Ref Add scoped workspace tool exposure model (global read, handler-scoped write/mutate) #619

[github-actions]

Homeboy Results — data-machine

Tooling versions

• Homeboy CLI: homeboy 0.56.0
• Extension: wordpress from https://github.com/Extra-Chill/homeboy-extensions
• Extension revision: unknown
• Action: Extra-Chill/homeboy-action@v1

ℹ️ PR test scope resolved to full for compatibility with installed Homeboy CLI

✅ lint (changed files only)

• PHPCS: LINT SUMMARY: 0 errors, 3 warnings
• Fixable: 0 | Files with issues: 2 of 5
• PHPStan: PHPSTAN SUMMARY: 133 errors at level 5

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Homeboy Action v1 — homeboy 0.56.0