One Escaping Bug Turned `rd /S /Q \` Into a 717 GB Windows Wipe

A cross-shell quoting failure turned a folder delete into C:\ root deletion in under two minutes. Useful reminder: never pipe destructive ops through multiple parsers when a native command plus -WhatIf exists.

[ KEY POINTS ]

The intended target was C:\Users\ADMIN\Desktop\WIP, but cmd /c plus zsh/tmux/PowerShell collapsing changed it to rd /S /Q \.
Damage reached about 717 GB before interruption; only a separate HDD backup prevented real loss, which makes backup isolation the real safety net.
Using PowerShell Remove-Item -Path 'C:\absolute\path' -Recurse -Force -WhatIf would have exposed the broken path before execution.
The practical lesson is operational, not model-specific: echo the fully expanded command and avoid routing deletes through cmd when PowerShell can run them directly.

Originalwww.reddit.com/r/ClaudeAI/comments/1t923er/i_deleted_a_guys_entire_windows_install_with_one/Read original →

// related

#0001
#0001Agents & tools GitHub Changelog23 hours ago
GitHub adds REST API auditing for `Copilot` cloud agent repo config
60radar
Repo-level agent settings can now be checked by API instead of manual UI review. Useful for keeping automation permissions visible before cloud agents touch production code.
- New endpoint: Get Copilot cloud agent configuration for a repository, currently in public preview.
- Best fit is policy drift checks across repos: scan whether agent access and configuration match your expected defaults.
- This is governance plumbing, not a coding-speed feature. Worth adopting if Copilot agents run on real repos.
Source: github.blog/changelog/2026-05-18-audit-repository-copiloRead original →
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#0002
#0002Agents & tools GitHub Changelog24 hours ago
`Copilot Spaces API` is now generally available
70radar
Copilot SpacesGitHub Copilot feature — manages task-specific context spaces
Spaces can now be managed from your own apps via API. Useful for wiring repo context into internal tools or repeatable agent workflows.
- The API supports create, read, update, and delete for Spaces, so context setup no longer has to stay inside GitHub UI.
- Good fit for templates: bootstrap a project space per repo, customer, or feature branch and keep agent context consistent.
- This is more automation surface than end-user feature. Value depends on whether Copilot Spaces is already part of the coding workflow.
Source: github.blog/changelog/2026-05-18-copilot-spaces-api-now-Read original →
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#0003
#0003Agents & tools r/ClaudeAIyesterday
11 Claude Habits That Compound Over Daily Use
50radar
The useful part is not prompt tricks, but persistent context: Projects, CLAUDE.md, styles, skills, and subagents. Worth turning into a default setup before long coding sessions.
- Put codebase context, style guides, and prior PRs into Projects once. Re-pasting the same background is pure context tax.
- A custom style like skeptical senior engineer changes review quality by forcing pushback instead of agreeable code comments.
- In Claude Code, CLAUDE.md carries more weight than session prompts. Around 80 lines of project context can remove repeated stack explanations.
- Use cheaper/faster models by task: Sonnet as default, Opus for architecture, Haiku for batch cleanup like tickets or emails.
- Subagents fit parallel chores: run tests, inspect files, or summarize docs while the main coding thread keeps moving.
Source: www.reddit.com/r/ClaudeAI/comments/1tgqnsl/11_claude_thiRead original →
50radar
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One Escaping Bug Turned `rd /S /Q \` Into a 717 GB Windows Wipe

// related

GitHub adds REST API auditing for `Copilot` cloud agent repo config

`Copilot Spaces API` is now generally available

11 Claude Habits That Compound Over Daily Use