docs(agents): add shared BMAD skill entrypoints

.agents/skills/bmad-build/SKILL.md

@@ -0,0 +1,8 @@
+---
+name: bmad-build
+description: "Implement a bounded repository change with the shared BMAD build workflow and local gates."
+---
+
+Read and follow `~/.codex/skills/bmad-build/SKILL.md` with this repository as the project root.
+This entrypoint intentionally uses the shared personal workflow directly; do not run the legacy
+BMAD renderer or adjacent workflow snapshots. Preserve this repository's authority and local gates.

.agents/skills/bmad-checkpoint-preview/SKILL.md

@@ -0,0 +1,8 @@
+---
+name: bmad-checkpoint-preview
+description: "Guide human review of a change with orientation, concern walkthrough, risk details, and observation."
+---
+
+Read and follow `~/.codex/skills/bmad-checkpoint-preview/SKILL.md` with this repository as the project root.
+This entrypoint intentionally uses the shared personal workflow directly; do not run the legacy
+BMAD renderer or adjacent workflow snapshots. Preserve this repository's authority and local gates.

.agents/skills/bmad-qa/SKILL.md

@@ -0,0 +1,8 @@
+---
+name: bmad-qa
+description: "Review changes with the shared BMAD QA process and local domain gates; fix only when requested."
+---
+
+Read and follow `~/.codex/skills/bmad-qa/SKILL.md` with this repository as the project root.
+This entrypoint intentionally uses the shared personal workflow directly; do not run the legacy
+BMAD renderer or adjacent workflow snapshots. Preserve this repository's authority and local gates.

AGENTS.md

@@ -4,8 +4,18 @@ This repository owns its Solid binding and package-local work. GraphReFly engine
 cross-project authority remain in `~/src/graphrefly-ts` and `~/src/graphrefly`; do not duplicate them
 here.
 
-Before decision or work admission, design review, dispatch, QA, long-running goal progression,
-live/provider/spend authorization, retry, or stalled-work recovery, load and follow the personal
+When changing authority records or resolving an execution, spend, retry, or stalled-work
+authorization boundary, load and follow the personal
 `$project-governance` skill at `~/.codex/skills/project-governance/SKILL.md`. This is a
 cross-project process floor, not package or GraphReFly product authority. Keep local IDs, records and
 gates independent unless an explicitly approved GraphReFly family contract requires a qualified link.
+
+## Shared build and human review
+
+Use the personal `~/.codex/skills/bmad-build/SKILL.md` inside the work selected by this repository's
+dispatch/Goal workflow. Use `~/.codex/skills/bmad-build/references/qa.md` for machine-review lenses,
+finding triage and repairs, together with this repository's own QA checks and completion gates.
+Use `~/.codex/skills/bmad-checkpoint-preview/SKILL.md` for the human review trail; it replaces the old
+repository-ownership-practice checks. Ordinary delivery uses build-handoff mode; explicit checkpoint
+or `--practice` requests use interactive review. The shared skills own only this personal workflow;
+project authority, semantic approvals, execution permissions and work records remain locally governed.