fix: make documentation release review and publication consistent

Review before commit, clarify changelog safeguards and unavailable reviewer modes, and preserve raw PR bodies across separate shell calls. Keep title sync in one shell and add regression coverage.

Co-authored-by: OpenAI Codex <noreply@openai.com>

test/document-skills-redaction.test.ts

@@ -4,6 +4,7 @@
 import { describe, test, expect } from "bun:test";
 import * as fs from "fs";
 import * as path from "path";
+import { spawnSync } from "child_process";
 
 const ROOT = path.resolve(import.meta.dir, "..");
 // document-release is carved (skeleton + sections/release-body.md). Step 9
@@ -25,14 +26,29 @@ const GENERATE = fs.readFileSync(path.join(ROOT, "document-generate", "SKILL.md.
 
 describe("/document-release redaction", () => {
   test("scans the PR-body temp file before gh pr edit", () => {
-    const scanIdx = RELEASE.indexOf("gstack-redact --from-file /tmp/gstack-pr-body");
-    const editIdx = RELEASE.indexOf("gh pr edit --body-file /tmp/gstack-pr-body");
+    const scanIdx = RELEASE.indexOf('gstack-redact --from-file "<run-dir>/body.md"');
+    const editIdx = RELEASE.indexOf('gh pr edit --body-file "<run-dir>/body.md"');
     expect(scanIdx).toBeGreaterThan(-1);
     expect(editIdx).toBeGreaterThan(scanIdx);
   });
   test("HIGH blocks the edit", () => {
     expect(RELEASE).toMatch(/exit 3 \(HIGH\).*do NOT edit/i);
   });
+  test("separate shell calls share an explicit run directory and never re-read raw tracker text", () => {
+    expect(RELEASE).toContain('mktemp -d /tmp/gstack-doc-release-XXXXXXXX');
+    expect(RELEASE).not.toContain('/tmp/gstack-pr-body-$$');
+    expect(RELEASE).not.toContain('<paste the file contents here>');
+    expect(RELEASE).toContain('pathlib.Path(sys.argv[1]).read_text()');
+  });
+  test("title synchronization keeps every variable in one valid shell block", () => {
+    const section = RELEASE.slice(RELEASE.indexOf('**PR/MR title sync'));
+    const script = section.match(/```bash\n([\s\S]*?)\n```/)![1];
+    for (const command of ['V=$(cat VERSION', 'CURRENT_TITLE=$(gh pr view', 'NEW_TITLE=$(', 'gh pr edit --title "$NEW_TITLE"', 'glab mr update -t "$NEW_TITLE"']) {
+      expect(script).toContain(command);
+    }
+    const result = spawnSync('bash', ['-n'], { input: script, encoding: 'utf8', timeout: 5000 });
+    expect(result.status, result.stderr).toBe(0);
+  });
 });
 
 describe("/document-generate redaction", () => {