Edit C certification arms to exclusive-arm shape
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Overview / Motivation
Auto-filed by the /daily Step-C parked-candidate routing pass (2026-07-09) from a recursion-guard-parked workflow-fix candidate raised on task #1210.
Goal
Restructure the Edit C certification arms to Guard 1's 'if !' exclusive-arm shape.
Workflow gap
- Bug observed: Edit C's merge-conflict-recovery certification uses '|| { echo ...; false; }' arms (verified present on main at SKILL.md ~L9600, ~L9623) that do not halt subsequent commands under single-shell no-set-e execution (near-theoretical: bad MAIN_SHA fails earlier at merge; the placeholder forces piecewise execution).
- Why it is a workflow gap: A certification arm that reports failure without halting lets later commands run against an uncertified tree.
- Confidence (emitter): low
Proposed change (candidate diff sketch — refine in planning)
(none)
Scope / surfaces
- Primary target:
.claude/skills/issue/SKILL.md
Constraints / invariants
- Workflow-surface only.
scripts/workflow_lint.py --check-askspasses; ruff on touched files passes. - This session runs under EPM_WORKFLOW_FIX_SESSION=1 semantics (workflow_fix_target Provenance line) — it MUST NOT auto-route its own subagents' workflow-fix candidates.
Provenance
- workflow_fix_target: .claude/skills/issue/SKILL.md
- fingerprint: n/a (prose park)
source: prose-followup (code-reviewer round 1, task #1210, Minor finding 1). target_file: .claude/skills/issue/SKILL.md. bug_observed: Edit C's merge-conflict-recovery certification uses '|| { echo ...; false; }' arms that do not halt subsequent commands under single-shell no-set-e execution (near-theoretical: bad MAIN_SHA fails earlier at merge; the placeholder forces piecewise execution). proposed_change: restructure the Edit C certification arms to Guard 1's 'if !' exclusive-arm shape. confidence: low. related_task: #1210. routed: parked — workflow-fix session recursion guard (workflow_fix_target Provenance on #1210); surfaced for the nightly /daily parked-candidate routing pass.