fix(release): --no-changelog no longer raises NameError

generate_changelog() defined all_authors and teknium_aliases inside the
'if not no_changelog' block but read them after it. The canary tests
stub generate_changelog, so nothing ran the real path.

scripts/release.py

@@ -2426,11 +2426,11 @@ def generate_changelog(commits, tag_name, semver, repo_url="https://github.com/N
         lines.append("> for Hermes Agent. See below for everything included in this initial release.")
         lines.append("")
 
+    all_authors = set()
+    teknium_aliases = {"@teknium1"}
     if not no_changelog:
         # Group commits by category
         categories = defaultdict(list)
-        all_authors = set()
-        teknium_aliases = {"@teknium1"}
 
         for commit in commits:
             categories[commit["category"]].append(commit)

tests/scripts/test_release_changelog.py

@@ -0,0 +1,17 @@
+"""--no-changelog keeps the release body's frame and drops the commit sections."""
+
+
+def test_no_changelog_keeps_the_frame_without_commit_sections():
+    from scripts import release
+
+    commits = [{
+        "sha": "a" * 40, "short_sha": "a" * 8, "author_name": "Dev", "author_email": "dev@example.test",
+        "subject": "feat: something (#5)", "category": "features", "github_author": "@dev", "coauthors": [],
+    }]
+
+    body = release.generate_changelog(commits, "rc.1-v1.2.4", "1.2.4", repo_url="https://github.com/o/r",
+                                      prev_tag="v1.2.3", no_changelog=True)
+
+    assert "Something" not in body and "@dev" not in body
+    assert "<!-- HERMES_BUILDS_TABLE -->" in body
+    assert "https://github.com/o/r/compare/v1.2.3...rc.1-v1.2.4" in body