sd0xdev

Feasibility analysis from first principles. Use when: evaluating solutions before tech-spec, comparing approaches, risk assessment. Not for: implementation (use feature-dev), architecture advice (use codex-architect). Output: quantitative comparison + recommendation.

Git history investigation. Use when: tracking code changes, finding where bugs were introduced, root cause analysis. Not for: code exploration (use code-explore), issue analysis (use issue-analyze). Output: history trace + root cause report.

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Context-aware test orchestration. Use when: smart test selection, failure triage, progressive test ladder, test failure analysis. Not for: writing tests (use post-dev-test), reviewing tests (use codex-test-review), generating tests (use codex-test-gen), full manual run (use verify). Output: test results + triage report + fixer actions.

Pure Claude code investigation. Use when: tracing execution paths, understanding architecture, diagnosing issues. Not for: dual-perspective review (use code-investigate), code review (use codex-code-review). Output: analysis report with findings.

OWASP Top 10 security review using Codex MCP. Supports review loop with context preservation.

Safely remove plugin assets (skill/agent/rule/script/hook) with dependency detection and reference cleanup. Use when: user says 'remove skill', 'delete skill', 'deprecate', 'clean up unused', or /safe-remove. Not for: code refactoring (use /simplify), feature removal requiring architecture changes (manual).

Load GitHub PR review comments into AI session — analyze, triage, plan. Default: analysis-only (no auto-fix). Use when: reviewing PR feedback, planning fixes, addressing review comments, replying to reviewers. Not for: creating reviews (use codex-review-fast), creating PRs (use create-pr), viewing PR status (use pr-summary).

Request tracking knowledge base. Use when: querying request status, managing document references, tracking progress. Not for: creating requests (use create-request), tech specs (use tech-spec). Output: status report + progress tracking.

Generate and update feature release runbooks from existing docs and codebase. Use when: creating operational runbook, release handbook, deployment checklist, pre-release preparation. Not for: incident response (v2), code review (use codex-code-review), architecture design (use architecture).

Review test case sufficiency using Codex MCP, suggest additional edge cases. Supports review loop with context preservation.

Interactive Q&A over an existing recap document. Use when: user wants to ask follow-up questions about a briefing-recap-<date>.md produced by /recap-doc, with recap-bounded context + out-of-scope redirect + optional promote-to-request. Not for: generating a new recap (use /recap-doc), general project Q&A (use /ask), code tracing (use /code-explore). Output: per-turn answer referencing file:line +