feat(ai): wire agent preflight discovery (#13847) (#13872)

Author: neo-gpt

.agents/skills/pull-request/references/pull-request-workflow.md

@@ -14,6 +14,11 @@ The act of opening a PR is an irreversible state transition in the Agent OS. Bef
 
 *If and only if* you pass this reflection phase, proceed to the Git execution sequence.
 
+Before the first commit or PR-body attempt on an agent-authored PR, run
+`npm run agent-preflight -- [files...]`; when a local PR body draft exists,
+include `-- --pr-body <draft-body.md>` so local source and PR-body gate failures
+surface before CI.
+
 ### 1.1 The Substrate-Mutation Pre-Flight Gate
 
 If your PR touches memory substrate per `/turn-memory-pre-flight` (`AGENTS.md`,

buildScripts/util/agent-preflight.mjs

@@ -9,6 +9,9 @@ const
     __filename = fileURLToPath(import.meta.url),
     __dirname  = path.dirname(__filename);
 
+// Source-to-mirror: keep these PR-body anchors in sync with
+// `.github/workflows/agent-pr-body-lint.yml`. Do not reintroduce a shared
+// `prReviewAnchors.mjs`; sync-by-convention is deliberate.
 export const VISIBLE_PR_BODY_ANCHORS = [
     'Evidence:',
     '## Test Evidence',