spec

name	spec
description	Author a rulebook task spec interactively — research, draft, ask the user clarifying questions, confirm, then create the tasks in rulebook ready for /rulebook-driver. Use when the user wants to plan/spec a feature before implementing.
model	opus
context	main

Author a rulebook task spec for: $ARGUMENTS

This skill runs in the MAIN conversation (not a forked subagent) so it CAN ask the user questions with the AskUserQuestion tool. It drives the spec-author workflow as its drafting/critique engine, loops with the user until the spec is solid, confirms, then creates the rulebook tasks and hands off to /rulebook-driver.

Steps

1. Pre-flight. If $ARGUMENTS is empty, ask the user what they want to spec. Read .rulebook/specs/rulebook.md for the required spec format (## ADDED/MODIFIED, "### Requirement: " with SHALL/MUST, "#### Scenario:" with Given/When/Then).

2. Draft + critique loop. Run the spec-author workflow with the topic: Workflow({ name: "spec-author", args: { topic: "<topic>" } }). It returns { draft, ready, questions[], gaps[], missingScenarios[] }.

3. Ask the user. If ready is false, take the returned questions (each has question, why, options) and present them with the AskUserQuestion tool — one question per item, using the provided options as choices (the user can always answer free-form). Also surface gaps and missingScenarios so the user can react to them.

4. Iterate. Re-run the workflow feeding the answers back: Workflow({ name: "spec-author", args: { topic: "<topic>", answers: [{ question, answer }, ...] } }). Accumulate ALL answers across rounds (don't drop earlier ones). Repeat steps 3–4 until the workflow returns ready: true (no open questions).

5. Confirm with the user. Show the final proposal + spec (the workflow's draft). Ask the user to confirm with AskUserQuestion: "Create these rulebook tasks?" options: Create / Revise (more questions) / Cancel.

   • Revise → go back to step 3.
   • Cancel → stop, leave nothing created.
   • Create → continue.

6. Create the tasks. ONLY after explicit confirmation, create the task(s) in rulebook using the MCP tools — never mkdir/Write by hand:

   • rulebook_task for each task (phase-prefixed id, e.g. phase1_<slug>), writing the confirmed proposal.md, tasks.md checklist, and specs//spec.md from the draft.
   • rulebook_task each created task; fix format issues and re-validate until clean.

7. Hand off to the driver. Report the created task ids and tell the user the spec is ready. Offer to start implementation now by running the rulebook-driver workflow: /rulebook-driver (drains the whole backlog) or /rulebook-driver { "once": true } for one item. Do NOT auto-start it without the user's go-ahead.

Rules

• The user MUST confirm (step 5) before any task is created. No silent creation.
• Workflow subagents can't prompt the user — that's why the asking happens here in the main loop. Always relay the workflow's questions verbatim where useful.
• Keep accumulating answers across iterations; the workflow folds them into the draft as settled decisions.
• Specs and tasks are created via rulebook_* MCP tools only.