scaffold-effects

Playbook for environment setup, dependency repair, and build-system tasks on Linux. Pin versions, prefer system package managers, fix pip/venv/docker/make/cmake issues by reading error output carefully.

Tactical toolkit for bug-hunting and forensics-style tasks — gdb, strace, hex/base64/shellcode decoding, log triage, targeted regex. Use when the task involves crashes, races, encoded payloads, or tracing execution.

Ground yourself in an unfamiliar terminal task before writing any code. Read the instruction twice, map the repo, and locate the verifier so your first edit is informed rather than a guess.

Use the task's own verifier as your tight feedback loop. Make the smallest plausible change, run the verifier, read its output, iterate. Do not modify tests to make them pass.