0.40.0 · core 2026-07-02

plan-gate stage (order 115) — Tech plan gate between Planning and Execution. Plannotator visual review of spec-tech.md. Runs only in Product Spec + Interface + Tech Review and Product Spec + Interface + Tech Review + Code Diff review modes.
diff-gate stage (order 175) — Code diff review gate between Verification and Audit. Plannotator review command on the working tree diff. Runs only in Product Spec + Interface + Tech Review + Code Diff review mode. Verification must pass before the diff gate runs.
New review mode: "Product Spec + Interface + Tech Review + Code Diff" — The most advanced mode, adding diff-gate on top of all existing gates. Maximum human oversight with visual code review.

Review mode rename for clarity and consistency — all mode names are now explicit and additive:
Only Product Spec → Product Spec Gate
Product Spec + Interface Choice → Product Spec + Interface Gates
All Above + Scopes In/Out → Product Spec + Interface + Scopes
All Above + Tech Review → Product Spec + Interface + Tech Review
PHASE_NAMES expanded from 15 to 17: Plan.Gate (index 12), Diff.Gate (index 15). All downstream mappings, integrations (Muxy, Herdr), and plugin regenerated.
Workflow sequence updated everywhere: ... → Planning → Plan.Gate → Execution → Verification → Diff.Gate → Audit
Review mode effect matrices across all skills updated with 6 modes and 2 new gate columns (plan-gate, diff-gate).