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Detect the current OS and print shell syntax reminders for Windows vs Ubuntu
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Write Bash commands that don't trigger unnecessary permission prompts. Use Read/Edit/Grep instead of head/tail/sed/awk/cat/echo; split chained commands (&&, ;, ||) into separate Bash calls; drop diagnostic suffixes like `; echo "EXIT=$?"`. The allowlist matches whole command strings — every mismatch costs the user attention.
Commit user-named files atomically via scripts/commit-pathspec.sh (which wraps `git commit -m "..." -- <files>` and writes the provenance token the pre-commit hook validates). Applies the CLAUDE.md "Pre-commit hook failures on unrelated changes" protocol when the hook fails. Never adds --no-verify silently — explicit user approval is required.
Scaffold a new epic file in docs/developers/tasks/open/ and run housekeep
Scaffold a new idea file in docs/developers/ideas/open/ and regenerate the ideas OVERVIEW.md
Set a task to active — updates status, moves to active/, runs housekeep. Also resumes paused tasks (paused/ → active/ or active/ with closed prerequisites).
Mark a task as closed — writes effort_actual, moves the file to closed/, runs housekeep, and commits
| name | os-context |
| description | Detect the current OS and print shell syntax reminders for Windows vs Ubuntu |
Detect the current OS and remind yourself of the correct shell/CLI syntax to use.
The system prompt always contains a Platform: field. Read it directly:
Platform: win32 → Windows 11 (Git Bash / MSYS2)Platform: linux → Ubuntu / LinuxPlatform: darwin → macOSOnly fall back to running uname -s && uname -m if the Platform: field is absent or ambiguous.
Windows 11 (Git Bash / MSYS2)
C:/Users/...ls, grep, cat, etc.cmd.exe syntax: no dir, type, copy, del, no backslasheswsl prefix only when a command truly requires the Linux kernelUbuntu / Linux
/dev/null, apt, package paths, symlinks all nativePrint a one-line context summary:
OS: Windows 11 (Git Bash/MSYS2) — using Unix shell syntax, Windows absolute paths where needed.
or
OS: Ubuntu Linux — using standard bash syntax.
Then apply the correct syntax for all subsequent shell commands in this session.