chore: improve git worktree workflow and add review-critique skill

[tlgimenes]

What is this contribution about?

This PR enhances the developer workflow with two main improvements:

1. Git Worktree Automation - Adds a post-checkout hook that automatically copies .env from the main worktree to new worktrees, preventing missing environment variable issues when working with isolated branches.

2. Review Critique Skill - Adds a new Cursor skill that analyzes git diffs using parallel subagents from 7 different perspectives (duplication, correctness, security, performance, testing, architecture, scope), then produces a prioritized remediation plan.

Changes Made

• Added .githooks/post-checkout hook that copies .env to new worktrees (only if missing)
• Added .cursor/skills/review-critique/SKILL.md with comprehensive workflow for multi-perspective code review
• Added .cursor/skills/review-critique/references/critic-prompts.md with detailed prompts for each critic perspective
• Moved .cursor/skills/plan-critique/critic-prompts.md to top-level directory for consistency

Screenshots/Demonstration

N/A - Infrastructure and tooling changes

How to Test

Test the git worktree hook:

1. Ensure you have an .env file in apps/mesh/.env in your main worktree
2. Create a new worktree: git worktree add .worktrees/test-branch -b test-branch
3. Verify that .env was automatically copied to .worktrees/test-branch/apps/mesh/.env
4. Create another worktree with an existing .env and verify it's not overwritten

Test the review-critique skill:

1. Make changes on a feature branch
2. Open Cursor and invoke the review-critique skill
3. Verify that it spawns parallel subagents to analyze the diff
4. Confirm it produces a structured remediation plan with prioritized issues

Migration Notes

N/A

Review Checklist

• PR title is clear and descriptive
• Changes are tested and working
• Documentation is updated (if needed)
• No breaking changes

Made with Cursor

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Summary by cubic

Automates .env setup for new git worktrees and adds a multi-perspective review-critique skill to analyze branch diffs and produce a remediation plan. This reduces local setup friction and improves pre-merge reviews.

• New Features

  • Added post-checkout hook to copy apps/mesh/.env to new worktrees only when missing.
  • Added review-critique Cursor skill that runs parallel critics (duplication, correctness, security, performance, testing, architecture, scope) and outputs a prioritized remediation plan.

• Refactors

  • Moved critic-prompts.md to the top-level plan-critique directory for consistency.

^{Written for commit 60c87a3. Summary will update on new commits.}

[cubic-dev-ai]

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