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Apply plan - SDD workspace, task-brief parser, and executing-plans helper scripts in obra/superpowers

superpowers-sdd · lens architecture · 2 open findings at severity must or above (plus f-0003 tracked upstream in #2406) · generated 2026-10-29T19:01:38.419Z

Work top to bottom. Ponder does not edit source - this plan is the handoff.

1. Inline task-start helper (skills/executing-plans/scripts/task-start) script.ep.task_start

skills/executing-plans/scripts/task-start

• f-0001 · must · score 1 · effort xs - task-start invokes $sdd/task-brief directly instead of via ${BASH:-bash}, failing with Permission denied (exit 126) when unpacked without +x Issue #2040 noted that Python zipfile and marketplace skill extractors strip Unix execute bits, so task-brief:26 and review-package:35 invoke sibling scripts via “${BASH:-bash}”. However, skills/executing-plans/scripts/task-start:23 still runs out=$(“$sdd/task-brief” “$plan” “$n”) directly, failing with exit 126 when execute bits are stripped. Evidence: skills/executing-plans/scripts/task-start:23, skills/subagent-driven-development/scripts/task-brief:26 Do: Invoke “$sdd/task-brief” via “${BASH:-bash}” “$sdd/task-brief” “$plan” “$n” in skills/executing-plans/scripts/task-start:23, and add a chmod -x regression check in tests/claude-code/test-executing-plans-scripts.sh.

2. Inline task-done runner & ledger writer (skills/executing-plans/scripts/task-done) script.ep.task_done

skills/executing-plans/scripts/task-done

• f-0002 · must · score 1 · effort xs - task-done invokes $sdd/sdd-workspace directly instead of via ${BASH:-bash}, failing with Permission denied (exit 126) when unpacked without +x skills/executing-plans/scripts/task-done:25 runs dir=$(“$sdd/sdd-workspace” “$plan”) directly without “${BASH:-bash}”, so recording task completion fails with exit 126 when installed via marketplace archive extractors that strip +x. Evidence: skills/executing-plans/scripts/task-done:25, skills/subagent-driven-development/scripts/review-package:35 Do: Invoke “$sdd/sdd-workspace” via “${BASH:-bash}” “$sdd/sdd-workspace” “$plan” to match task-brief:26 and review-package:35.

Shape of the work

2 modules · 2 open findings (f-0003 on task-brief deferred to upstream Issue #2406 / PRs #2359 & #2304) · effort 2xxs

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