Selectable built-in `builtin:coding-ideas-v2`. It clones the Coding (Ideas) IR
without mutating it, so the manual `ideas` intake (`autoTriage: false`) and the
whole board shape are unchanged, and moves testing and documentation out of the
planner's implementation checklist into visible review-column gates:
in-progress : steps = implementation only
in-review : verification -> documentation-delivery -> code-review
-> completion-summary -> merge-gate -> merge
Ordering is load-bearing, not cosmetic. `execute-workflow-graph.ts` refuses any
write-capable node once a Code Review APPROVE exists, so that a passed review
seals the tree and nothing unreviewed reaches main. `verification-step` and
`documentation-delivery-step` are both write-capable and therefore run BEFORE
the review; `completion-summary` is `toolMode: "readonly"` and runs after it, so
the card blurb describes the state that was actually approved.
Both remediation loops re-enter at `verification`, never at `code-review`: a
REVISE replays verification AND documentation-delivery, so the docs and
changeset are regenerated to include what the review demanded before it re-reads
them. Documentation stays both current and reviewed.
The planner is switched to the `planning-implementation-only` seam so it stops
emitting "Testing & Verification" and "Documentation & Delivery" steps, which
would otherwise duplicate the gates under identical names.
Adds a ratchet running the production `workflowNodeRequiresWorktree` classifier
over the success chain: it reports zero offenders here and correctly flags
`documentation-delivery` on builtin:review-gated-coding, whose post-review
ordering deadlocks every task once its review approves.
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